FHIR R5 Symptoms Implementation Guide, published by HL7 International / Clinical Interoperability Council. This guide is not an authorized publication; it is the continuous build for version 0.1.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/fhir-symptoms-ig/ and changes regularly. See the Directory of published versions

• Content
• Detailed Descriptions
• Mappings
• XML
• JSON
• TTL

Resource Profile: Symptom Observation

The Symptom observation contains all information given about a patient's symptoms. NOTE: References to Conditions will be from the Condition.evidence element.

Usages:

• Refer to this Profile: Symptom Observation
• CapabilityStatements using this Profile: Symptom System Capabilities

You can also check for usages in the FHIR IG Statistics

Formal Views of Profile Content

Description of Profiles, Differentials, Snapshots and how the different presentations work.

• Key Elements Table
• Differential Table
• Snapshot Table
• Statistics/References
• All

Name	Flags	Card.	Type	Description & Constraints    Filter: Bindings Constraints Obligations
Observation	C	0..*	Observation	Measurements and simple assertions Constraints: obs-6, obs-7, obs-8
implicitRules	?!Σ	0..1	uri	A set of rules under which this content was created
contained		0..*	Resource	Contained, inline Resources
Slices for extension		0..*	Extension	Extension Slice: Unordered, Open by value:url
extension:associatedSymptom	S	0..*	(Complex)	Other symptoms associated with this symptom URL: http://hl7.org/fhir/StructureDefinition/workflow-supportingInfo
extension		0..0
url		1..1	uri	"http://hl7.org/fhir/StructureDefinition/workflow-supportingInfo"
value[x]		1..1	Reference(Symptom Observation)	Value of extension
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored
status	?!SΣ	1..1	code	registered | preliminary | final | amended + Binding: ObservationStatus (required): Codes providing the status of an observation.
code	SΣC	1..1	CodeableConcept	Coded description of symptom Binding: https://hl7.org/fhir/ValueSet/clinical-findings (example)
subject	SΣ	1..1	Reference(Patient)	The patient who is experiencing the symptom
effective[x]	SΣ	0..1		Clinically relevant time/time-period for observation
effectiveDateTime			dateTime
effectivePeriod			Period
effectiveTiming			Timing
effectiveInstant			instant
issued	SΣ	0..1	instant	Date/Time this version was made available
performer	SΣ	1..1	Reference(Patient | RelatedPerson)	The person who is reporting the symptom information
value[x]	SΣC	1..1	CodeableConcept	Indicates whether the patient has the symptom or not Binding: https://loinc.org/LL365-8 (required)
note	S	0..*	Annotation	Patient or caregiver description of symptom
bodySite	SC	0..1	CodeableConcept	Where the patient feels the symptom in the body Binding: LOINC Answer List LL5065-9 (example)
Slices for component	SΣC	0..*	BackboneElement	Various information about the symptom Slice: Unordered, Open by value:code
component:All Slices				Content/Rules for all slices
Slices for extension		0..*	Extension	Extension Slice: Unordered, Open by value:url
extension:text	S	0..1	Annotation	Additional notes that apply to this resource or element. URL: http://hl7.org/fhir/StructureDefinition/note
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
code	SΣC	1..1	CodeableConcept	Type of component observation (code / type) Binding: LOINCCodes (example): Codes identifying names of simple observations.
value[x]	SΣ	1..1		Actual component result
valueQuantity			Quantity
valueCodeableConcept			CodeableConcept
valueString			string
valueBoolean			boolean
valueInteger			integer
valueRange			Range
valueRatio			Ratio
valueSampledData			SampledData
valueTime			time
valueDateTime			dateTime
valuePeriod			Period
valueAttachment			Attachment
valueReference			Reference(MolecularSequence)
component:quality	SΣC	0..1	BackboneElement	The patient's internal perception of the symptom
Slices for extension				Content/Rules for all slices
extension:text	S	0..1	Annotation	Textual description of the symptom quality URL: http://hl7.org/fhir/StructureDefinition/note
extension:scaleCode	S	0..1	CodeableConcept	Assessment Scale Code URL: http://hl7.org/fhir/uv/symptoms/StructureDefinition/AssessmentScaleCode
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
code	SΣC	1..1	CodeableConcept	Type of component observation (code / type) Binding: LOINCCodes (example): Codes identifying names of simple observations. Required Pattern: At least the following
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
coding		1..*	Coding	Code defined by a terminology system Fixed Value: (Complex)
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
system		1..1	uri	Identity of the terminology system Fixed Value: http://loinc.org
version		0..1	string	Version of the system - if relevant
code		1..1	code	Symbol in syntax defined by the system Fixed Value: 32419-4
display		1..1	string	Representation defined by the system Fixed Value: Pain quality
userSelected		0..1	boolean	If this coding was chosen directly by the user
text		0..1	string	Plain text representation of the concept
value[x]	SΣ	1..1	CodeableConcept	Code that represents the symptom quality Binding: LOINC Answer List LL4459-5 (example)
component:severity	SΣC	0..1	BackboneElement	The intensity with which the patient experiences the symptom
Slices for extension				Content/Rules for all slices
extension:text	S	0..1	Annotation	Textual description of the symptom severity URL: http://hl7.org/fhir/StructureDefinition/note
extension:scaleCode	S	0..1	CodeableConcept	Assessment Scale Code URL: http://hl7.org/fhir/uv/symptoms/StructureDefinition/AssessmentScaleCode
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
code	SΣC	1..1	CodeableConcept	Type of component observation (code / type) Binding: LOINCCodes (example): Codes identifying names of simple observations. Required Pattern: At least the following
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
coding		1..*	Coding	Code defined by a terminology system Fixed Value: (Complex)
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
system		1..1	uri	Identity of the terminology system Fixed Value: http://loinc.org
version		0..1	string	Version of the system - if relevant
code		1..1	code	Symbol in syntax defined by the system Fixed Value: 64750-3
display		1..1	string	Representation defined by the system Fixed Value: Severity of symptoms
userSelected		0..1	boolean	If this coding was chosen directly by the user
text		0..1	string	Plain text representation of the concept
value[x]	SΣ	1..1	CodeableConcept	Actual component result Binding: LOINC Answer List LL1156-0 (example)
component:functionalImpact	SΣC	0..*	BackboneElement	How the symptom affects the patient's daily activities
Slices for extension				Content/Rules for all slices
extension:text	S	0..1	Annotation	Textual description of the impact URL: http://hl7.org/fhir/StructureDefinition/note
extension:scaleCode	S	0..1	CodeableConcept	Assessment Scale Code URL: http://hl7.org/fhir/uv/symptoms/StructureDefinition/AssessmentScaleCode
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
code	SΣC	1..1	CodeableConcept	Code for the specific scale or assessment if any used to determine the severity Binding: Functional Impact (example)
value[x]	SΣ	1..1	CodeableConcept	Code that represents the symptom severity Binding: LOINC Answer List LL365-8 (required)
component:clinicalCourse	SΣC	0..1	BackboneElement	Character of symptom onset
Slices for extension				Content/Rules for all slices
extension:text	S	0..1	Annotation	Textual description of the clinical course of the symptom URL: http://hl7.org/fhir/StructureDefinition/note
extension:scaleCode	S	0..1	CodeableConcept	Assessment Scale Code URL: http://hl7.org/fhir/uv/symptoms/StructureDefinition/AssessmentScaleCode
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
code	SΣC	1..1	CodeableConcept	Type of component observation (code / type) Binding: LOINCCodes (example): Codes identifying names of simple observations. Required Pattern: At least the following
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
coding		1..*	Coding	Code defined by a terminology system Fixed Value: (Complex)
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
system		1..1	uri	Identity of the terminology system Fixed Value: http://loinc.org
version		0..1	string	Version of the system - if relevant
code		1..1	code	Symbol in syntax defined by the system Fixed Value: 89261-2
display		1..1	string	Representation defined by the system Fixed Value: Clinical course
userSelected		0..1	boolean	If this coding was chosen directly by the user
text		0..1	string	Plain text representation of the concept
value[x]	SΣ	1..1	CodeableConcept	Actual component result Binding: LOINC Answer List LL4997-4 (example)
component:trend	SΣC	0..1	BackboneElement	Intensity of symptom over time
Slices for extension				Content/Rules for all slices
extension:text	S	0..1	Annotation	Textual description of the symptom trend URL: http://hl7.org/fhir/StructureDefinition/note
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
code	SΣC	1..1	CodeableConcept	Type of component observation (code / type) Binding: LOINCCodes (example): Codes identifying names of simple observations. Required Pattern: At least the following
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
coding		1..*	Coding	Code defined by a terminology system Fixed Value: (Complex)
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
system		1..1	uri	Identity of the terminology system Fixed Value: http://loinc.org
version		0..1	string	Version of the system - if relevant
code		1..1	code	Symbol in syntax defined by the system Fixed Value: 89253-9
display		1..1	string	Representation defined by the system Fixed Value: Trend
userSelected		0..1	boolean	If this coding was chosen directly by the user
text		0..1	string	Plain text representation of the concept
value[x]	SΣ	1..1	CodeableConcept	Actual component result Binding: LOINC Answer List LL4938-8 (example)
component:affectiveGrade	SΣC	0..1	BackboneElement	Emotional or mental impact of a symptom
Slices for extension				Content/Rules for all slices
extension:text	S	0..1	Annotation	Textual description of the impact of the symptom URL: http://hl7.org/fhir/StructureDefinition/note
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
code	SΣC	1..1	CodeableConcept	Type of component observation (code / type) Binding: LOINCCodes (example): Codes identifying names of simple observations. Required Pattern: At least the following
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
coding		1..*	Coding	Code defined by a terminology system Fixed Value: (Complex)
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
system		1..1	uri	Identity of the terminology system Fixed Value: http://snomed.info/sct
version		0..1	string	Version of the system - if relevant
code		1..1	code	Symbol in syntax defined by the system Fixed Value: 279116004
display		1..1	string	Representation defined by the system Fixed Value: Affective response to pain
userSelected		0..1	boolean	If this coding was chosen directly by the user
text		0..1	string	Plain text representation of the concept
value[x]	SΣ	1..1	CodeableConcept	Code that represents the affective grade Binding: Affective Grade (example)
component:triggers	SΣC	0..*	BackboneElement	Actions or environments that initiate the symptom
Slices for extension				Content/Rules for all slices
extension:text	S	0..1	Annotation	Textual description of the event URL: http://hl7.org/fhir/StructureDefinition/note
extension:relatedMedication	S	0..*	Reference(MedicationStatement)	Surrounding Event Medication URL: http://hl7.org/fhir/uv/symptoms/StructureDefinition/SurroundingEventMedication
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
code	SΣC	1..1	CodeableConcept	Code for the specific type of event Binding: LOINCCodes (example): Codes identifying names of simple observations. Required Pattern: At least the following
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
coding		1..*	Coding	Code defined by a terminology system Fixed Value: (Complex)
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
system		1..1	uri	Identity of the terminology system Fixed Value: http://loinc.org
version		0..1	string	Version of the system - if relevant
code		1..1	code	Symbol in syntax defined by the system Fixed Value: 38211-9
display		1..1	string	Representation defined by the system Fixed Value: Pain initiating event Narrative - Reported
userSelected		0..1	boolean	If this coding was chosen directly by the user
text		0..1	string	Plain text representation of the concept
value[x]	SΣ	1..1	CodeableConcept	Code or string describing the specific event Binding: LOINC Answer List LL42549-6 (example)
component:exacerbatingFactors	SΣC	0..*	BackboneElement	Patient reported actions, conditions, events, physical objects or other factors that increase or worsen symptoms
Slices for extension				Content/Rules for all slices
extension:text	S	0..1	Annotation	Textual description of the event URL: http://hl7.org/fhir/StructureDefinition/note
extension:relatedMedication	S	0..*	Reference(MedicationStatement)	Surrounding Event Medication URL: http://hl7.org/fhir/uv/symptoms/StructureDefinition/SurroundingEventMedication
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
code	SΣC	1..1	CodeableConcept	Code for the specific type of event Binding: LOINCCodes (example): Codes identifying names of simple observations. Required Pattern: At least the following
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
coding		1..*	Coding	Code defined by a terminology system Fixed Value: (Complex)
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
system		1..1	uri	Identity of the terminology system Fixed Value: http://loinc.org
version		0..1	string	Version of the system - if relevant
code		1..1	code	Symbol in syntax defined by the system Fixed Value: 38211-9
display		1..1	string	Representation defined by the system Fixed Value: Pain initiating event Narrative - Reported
userSelected		0..1	boolean	If this coding was chosen directly by the user
text		0..1	string	Plain text representation of the concept
value[x]	SΣ	1..1	CodeableConcept	Code or string describing the specific event Binding: LOINC Answer List LL42549-6 (example)
component:alleviatingFactors	SΣC	0..*	BackboneElement	Patient-reported actions, conditions, events, or other factors that decrease the symptoms or condition
Slices for extension				Content/Rules for all slices
extension:text	S	0..1	Annotation	Textual description of the event URL: http://hl7.org/fhir/StructureDefinition/note
extension:relatedMedication	S	0..*	Reference(MedicationStatement)	Surrounding Event Medication URL: http://hl7.org/fhir/uv/symptoms/StructureDefinition/SurroundingEventMedication
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
code	SΣC	1..1	CodeableConcept	Code for the specific type of event Binding: LOINCCodes (example): Codes identifying names of simple observations. Required Pattern: At least the following
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
coding		1..*	Coding	Code defined by a terminology system Fixed Value: (Complex)
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
system		1..1	uri	Identity of the terminology system Fixed Value: http://loinc.org
version		0..1	string	Version of the system - if relevant
code		1..1	code	Symbol in syntax defined by the system Fixed Value: 38211-9
display		1..1	string	Representation defined by the system Fixed Value: Pain initiating event Narrative - Reported
userSelected		0..1	boolean	If this coding was chosen directly by the user
text		0..1	string	Plain text representation of the concept
value[x]	SΣ	1..1	CodeableConcept	Code or string describing the specific event Binding: LOINC Answer List LL42549-6 (example)
component:otherEvents	SΣC	0..*	BackboneElement	Patient-reported actions that were occuring at time of symptom onset
Slices for extension				Content/Rules for all slices
extension:text	S	0..1	Annotation	Textual description of the event URL: http://hl7.org/fhir/StructureDefinition/note
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
code	SΣC	1..1	CodeableConcept	Code for the specific type of event Binding: LOINCCodes (example): Codes identifying names of simple observations. Required Pattern: At least the following
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
coding		1..*	Coding	Code defined by a terminology system Fixed Value: (Complex)
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
system		1..1	uri	Identity of the terminology system Fixed Value: http://loinc.org
version		0..1	string	Version of the system - if relevant
code		1..1	code	Symbol in syntax defined by the system Fixed Value: 38211-9
display		1..1	string	Representation defined by the system Fixed Value: Pain initiating event Narrative - Reported
userSelected		0..1	boolean	If this coding was chosen directly by the user
text		0..1	string	Plain text representation of the concept
value[x]	SΣ	1..1	CodeableConcept	Code or string describing the specific event Binding: LOINC Answer List LL42549-6 (example)
Documentation for this format

Terminology Bindings

Path	Conformance	ValueSet / Code	URI
Observation.status	required	ObservationStatus http://hl7.org/fhir/ValueSet/observation-status|5.0.0 From the FHIR Standard
Observation.code	example	https://hl7.org/fhir/ValueSet/clinical-findings https://hl7.org/fhir/ValueSet/clinical-findings
Observation.value[x]	required	https://loinc.org/LL365-8 https://loinc.org/LL365-8
Observation.bodySite	example	LOINC LL5065-9 http://loinc.org/vs/LL5065-9
Observation.component.code	example	LOINCCodes(a valid code from LOINC) http://hl7.org/fhir/ValueSet/observation-codes From the FHIR Standard
Observation.component:quality.code	example	Pattern Value: LOINC Code 32419-4("Pain quality") http://hl7.org/fhir/ValueSet/observation-codes From the FHIR Standard
Observation.component:quality.value[x]	example	LOINC LL4459-5 http://loinc.org/vs/LL4459-5
Observation.component:severity.code	example	Pattern Value: LOINC Code 64750-3("Severity of symptoms") http://hl7.org/fhir/ValueSet/observation-codes From the FHIR Standard
Observation.component:severity.value[x]	example	LOINC LL1156-0 http://loinc.org/vs/LL1156-0
Observation.component:functionalImpact.code	example	FunctionalFinding http://hl7.org/fhir/uv/symptoms/ValueSet/FunctionalFinding From this IG
Observation.component:functionalImpact.value[x]	required	LOINC LL365-8 http://loinc.org/vs/LL365-8
Observation.component:clinicalCourse.code	example	Pattern Value: LOINC Code 89261-2("Clinical course") http://hl7.org/fhir/ValueSet/observation-codes From the FHIR Standard
Observation.component:clinicalCourse.value[x]	example	LOINC LL4997-4 http://loinc.org/vs/LL4997-4
Observation.component:trend.code	example	Pattern Value: LOINC Code 89253-9("Trend") http://hl7.org/fhir/ValueSet/observation-codes From the FHIR Standard
Observation.component:trend.value[x]	example	LOINC LL4938-8 http://loinc.org/vs/LL4938-8
Observation.component:affectiveGrade.code	example	Pattern Value: SNOMED-CT Code 279116004("Affective response to pain") http://hl7.org/fhir/ValueSet/observation-codes From the FHIR Standard
Observation.component:affectiveGrade.value[x]	example	AffectiveGrade http://hl7.org/fhir/uv/symptoms/ValueSet/AffectiveGrade From this IG
Observation.component:triggers.code	example	Pattern Value: LOINC Code 38211-9("Pain initiating event Narrative - Reported") http://hl7.org/fhir/ValueSet/observation-codes From the FHIR Standard
Observation.component:triggers.value[x]	example	LOINC LL42549-6 http://loinc.org/vs/LL42549-6
Observation.component:exacerbatingFactors.code	example	Pattern Value: LOINC Code 38211-9("Pain initiating event Narrative - Reported") http://hl7.org/fhir/ValueSet/observation-codes From the FHIR Standard
Observation.component:exacerbatingFactors.value[x]	example	LOINC LL42549-6 http://loinc.org/vs/LL42549-6
Observation.component:alleviatingFactors.code	example	Pattern Value: LOINC Code 38211-9("Pain initiating event Narrative - Reported") http://hl7.org/fhir/ValueSet/observation-codes From the FHIR Standard
Observation.component:alleviatingFactors.value[x]	example	LOINC LL42549-6 http://loinc.org/vs/LL42549-6
Observation.component:otherEvents.code	example	Pattern Value: LOINC Code 38211-9("Pain initiating event Narrative - Reported") http://hl7.org/fhir/ValueSet/observation-codes From the FHIR Standard
Observation.component:otherEvents.value[x]	example	LOINC LL42549-6 http://loinc.org/vs/LL42549-6

Constraints

Id	Grade	Path(s)	Details	Requirements
dom-2	error	Observation	If the resource is contained in another resource, it SHALL NOT contain nested Resources : contained.contained.empty()
dom-3	error	Observation	If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource : contained.where((('#'+id in (%resource.descendants().reference | %resource.descendants().ofType(canonical) | %resource.descendants().ofType(uri) | %resource.descendants().ofType(url))) or descendants().where(reference = '#').exists() or descendants().where(ofType(canonical) = '#').exists() or descendants().where(ofType(canonical) = '#').exists()).not()).trace('unmatched', id).empty()
dom-4	error	Observation	If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated : contained.meta.versionId.empty() and contained.meta.lastUpdated.empty()
dom-5	error	Observation	If a resource is contained in another resource, it SHALL NOT have a security label : contained.meta.security.empty()
dom-6	best practice	Observation	A resource should have narrative for robust management : text.`div`.exists()
ele-1	error	**ALL** elements	All FHIR elements must have a @value or children : hasValue() or (children().count() > id.count())
ext-1	error	**ALL** extensions	Must have either extensions or value[x], not both : extension.exists() != value.exists()
obs-6	error	Observation	dataAbsentReason SHALL only be present if Observation.value[x] is not present : dataAbsentReason.empty() or value.empty()
obs-7	error	Observation	If Observation.component.code is the same as Observation.code, then Observation.value SHALL NOT be present (the Observation.component.value[x] holds the value). : value.empty() or component.code.where(coding.intersect(%resource.code.coding).exists()).empty()
obs-8	error	Observation	bodyStructure SHALL only be present if Observation.bodySite is not present : bodySite.exists() implies bodyStructure.empty()

This structure is derived from Observation

Name	Flags	Card.	Type	Description & Constraints    Filter: Bindings Constraints Obligations
Observation		0..*	Observation	Measurements and simple assertions
Slices for extension		0..*	Extension	Extension Slice: Unordered, Open by value:url
extension:associatedSymptom	S	0..*	(Complex)	Other symptoms associated with this symptom URL: http://hl7.org/fhir/StructureDefinition/workflow-supportingInfo
value[x]		1..1	Reference(Symptom Observation)	Value of extension
status	S	1..1	code	registered | preliminary | final | amended +
code	S	1..1	CodeableConcept	Coded description of symptom Binding: https://hl7.org/fhir/ValueSet/clinical-findings (example)
subject	S	1..1	Reference(Patient)	The patient who is experiencing the symptom
effective[x]	S	0..1	dateTime, Period, Timing, instant	Clinically relevant time/time-period for observation
issued	S	0..1	instant	Date/Time this version was made available
performer	S	1..1	Reference(Patient | RelatedPerson)	The person who is reporting the symptom information
value[x]	S	1..1	CodeableConcept	Indicates whether the patient has the symptom or not Binding: https://loinc.org/LL365-8 (required)
dataAbsentReason		0..0
interpretation		0..0
note	S	0..*	Annotation	Patient or caregiver description of symptom
bodySite	S	0..1	CodeableConcept	Where the patient feels the symptom in the body Binding: LOINC Answer List LL5065-9 (example)
specimen		0..0
device		0..0
referenceRange		0..0
Slices for component	S	0..*	BackboneElement	Various information about the symptom Slice: Unordered, Open by value:code
component:All Slices				Content/Rules for all slices
Slices for extension		0..*	Extension	Extension Slice: Unordered, Open by value:url
extension:text	S	0..1	Annotation	Additional notes that apply to this resource or element. URL: http://hl7.org/fhir/StructureDefinition/note
code	S	1..1	CodeableConcept	Type of component observation (code / type)
value[x]	S	1..1	Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period, Attachment, Reference(MolecularSequence)	Actual component result
dataAbsentReason		0..0
interpretation		0..0
referenceRange		0..0
component:quality	S	0..1	BackboneElement	The patient's internal perception of the symptom
Slices for extension				Content/Rules for all slices
extension:text	S	0..1	Annotation	Textual description of the symptom quality URL: http://hl7.org/fhir/StructureDefinition/note
extension:scaleCode	S	0..1	CodeableConcept	Assessment Scale Code URL: http://hl7.org/fhir/uv/symptoms/StructureDefinition/AssessmentScaleCode
code		1..1	CodeableConcept	Type of component observation (code / type) Required Pattern: At least the following
coding		1..*	Coding	Code defined by a terminology system Fixed Value: (Complex)
system		1..1	uri	Identity of the terminology system Fixed Value: http://loinc.org
code		1..1	code	Symbol in syntax defined by the system Fixed Value: 32419-4
display		1..1	string	Representation defined by the system Fixed Value: Pain quality
value[x]		1..1	CodeableConcept	Code that represents the symptom quality Binding: LOINC Answer List LL4459-5 (example)
component:severity	S	0..1	BackboneElement	The intensity with which the patient experiences the symptom
Slices for extension				Content/Rules for all slices
extension:text	S	0..1	Annotation	Textual description of the symptom severity URL: http://hl7.org/fhir/StructureDefinition/note
extension:scaleCode	S	0..1	CodeableConcept	Assessment Scale Code URL: http://hl7.org/fhir/uv/symptoms/StructureDefinition/AssessmentScaleCode
code		1..1	CodeableConcept	Type of component observation (code / type) Required Pattern: At least the following
coding		1..*	Coding	Code defined by a terminology system Fixed Value: (Complex)
system		1..1	uri	Identity of the terminology system Fixed Value: http://loinc.org
code		1..1	code	Symbol in syntax defined by the system Fixed Value: 64750-3
display		1..1	string	Representation defined by the system Fixed Value: Severity of symptoms
value[x]		1..1	CodeableConcept	Actual component result Binding: LOINC Answer List LL1156-0 (example)
component:functionalImpact	S	0..*	BackboneElement	How the symptom affects the patient's daily activities
Slices for extension				Content/Rules for all slices
extension:text	S	0..1	Annotation	Textual description of the impact URL: http://hl7.org/fhir/StructureDefinition/note
extension:scaleCode	S	0..1	CodeableConcept	Assessment Scale Code URL: http://hl7.org/fhir/uv/symptoms/StructureDefinition/AssessmentScaleCode
code		1..1	CodeableConcept	Code for the specific scale or assessment if any used to determine the severity Binding: Functional Impact (example)
value[x]		1..1	CodeableConcept	Code that represents the symptom severity Binding: LOINC Answer List LL365-8 (required)
component:clinicalCourse	S	0..1	BackboneElement	Character of symptom onset
Slices for extension				Content/Rules for all slices
extension:text	S	0..1	Annotation	Textual description of the clinical course of the symptom URL: http://hl7.org/fhir/StructureDefinition/note
extension:scaleCode	S	0..1	CodeableConcept	Assessment Scale Code URL: http://hl7.org/fhir/uv/symptoms/StructureDefinition/AssessmentScaleCode
code		1..1	CodeableConcept	Type of component observation (code / type) Required Pattern: At least the following
coding		1..*	Coding	Code defined by a terminology system Fixed Value: (Complex)
system		1..1	uri	Identity of the terminology system Fixed Value: http://loinc.org
code		1..1	code	Symbol in syntax defined by the system Fixed Value: 89261-2
display		1..1	string	Representation defined by the system Fixed Value: Clinical course
value[x]		1..1	CodeableConcept	Actual component result Binding: LOINC Answer List LL4997-4 (example)
component:trend	S	0..1	BackboneElement	Intensity of symptom over time
Slices for extension				Content/Rules for all slices
extension:text	S	0..1	Annotation	Textual description of the symptom trend URL: http://hl7.org/fhir/StructureDefinition/note
code		1..1	CodeableConcept	Type of component observation (code / type) Required Pattern: At least the following
coding		1..*	Coding	Code defined by a terminology system Fixed Value: (Complex)
system		1..1	uri	Identity of the terminology system Fixed Value: http://loinc.org
code		1..1	code	Symbol in syntax defined by the system Fixed Value: 89253-9
display		1..1	string	Representation defined by the system Fixed Value: Trend
value[x]		1..1	CodeableConcept	Actual component result Binding: LOINC Answer List LL4938-8 (example)
component:affectiveGrade	S	0..1	BackboneElement	Emotional or mental impact of a symptom
Slices for extension				Content/Rules for all slices
extension:text	S	0..1	Annotation	Textual description of the impact of the symptom URL: http://hl7.org/fhir/StructureDefinition/note
code		1..1	CodeableConcept	Type of component observation (code / type) Required Pattern: At least the following
coding		1..*	Coding	Code defined by a terminology system Fixed Value: (Complex)
system		1..1	uri	Identity of the terminology system Fixed Value: http://snomed.info/sct
code		1..1	code	Symbol in syntax defined by the system Fixed Value: 279116004
display		1..1	string	Representation defined by the system Fixed Value: Affective response to pain
value[x]		1..1	CodeableConcept	Code that represents the affective grade Binding: Affective Grade (example)
component:triggers	S	0..*	BackboneElement	Actions or environments that initiate the symptom
Slices for extension				Content/Rules for all slices
extension:text	S	0..1	Annotation	Textual description of the event URL: http://hl7.org/fhir/StructureDefinition/note
extension:relatedMedication	S	0..*	Reference(MedicationStatement)	Surrounding Event Medication URL: http://hl7.org/fhir/uv/symptoms/StructureDefinition/SurroundingEventMedication
code		1..1	CodeableConcept	Code for the specific type of event Required Pattern: At least the following
coding		1..*	Coding	Code defined by a terminology system Fixed Value: (Complex)
system		1..1	uri	Identity of the terminology system Fixed Value: http://loinc.org
code		1..1	code	Symbol in syntax defined by the system Fixed Value: 38211-9
display		1..1	string	Representation defined by the system Fixed Value: Pain initiating event Narrative - Reported
value[x]		1..1	CodeableConcept	Code or string describing the specific event Binding: LOINC Answer List LL42549-6 (example)
component:exacerbatingFactors	S	0..*	BackboneElement	Patient reported actions, conditions, events, physical objects or other factors that increase or worsen symptoms
Slices for extension				Content/Rules for all slices
extension:text	S	0..1	Annotation	Textual description of the event URL: http://hl7.org/fhir/StructureDefinition/note
extension:relatedMedication	S	0..*	Reference(MedicationStatement)	Surrounding Event Medication URL: http://hl7.org/fhir/uv/symptoms/StructureDefinition/SurroundingEventMedication
code		1..1	CodeableConcept	Code for the specific type of event Required Pattern: At least the following
coding		1..*	Coding	Code defined by a terminology system Fixed Value: (Complex)
system		1..1	uri	Identity of the terminology system Fixed Value: http://loinc.org
code		1..1	code	Symbol in syntax defined by the system Fixed Value: 38211-9
display		1..1	string	Representation defined by the system Fixed Value: Pain initiating event Narrative - Reported
value[x]		1..1	CodeableConcept	Code or string describing the specific event Binding: LOINC Answer List LL42549-6 (example)
component:alleviatingFactors	S	0..*	BackboneElement	Patient-reported actions, conditions, events, or other factors that decrease the symptoms or condition
Slices for extension				Content/Rules for all slices
extension:text	S	0..1	Annotation	Textual description of the event URL: http://hl7.org/fhir/StructureDefinition/note
extension:relatedMedication	S	0..*	Reference(MedicationStatement)	Surrounding Event Medication URL: http://hl7.org/fhir/uv/symptoms/StructureDefinition/SurroundingEventMedication
code		1..1	CodeableConcept	Code for the specific type of event Required Pattern: At least the following
coding		1..*	Coding	Code defined by a terminology system Fixed Value: (Complex)
system		1..1	uri	Identity of the terminology system Fixed Value: http://loinc.org
code		1..1	code	Symbol in syntax defined by the system Fixed Value: 38211-9
display		1..1	string	Representation defined by the system Fixed Value: Pain initiating event Narrative - Reported
value[x]		1..1	CodeableConcept	Code or string describing the specific event Binding: LOINC Answer List LL42549-6 (example)
component:otherEvents	S	0..*	BackboneElement	Patient-reported actions that were occuring at time of symptom onset
Slices for extension				Content/Rules for all slices
extension:text	S	0..1	Annotation	Textual description of the event URL: http://hl7.org/fhir/StructureDefinition/note
code		1..1	CodeableConcept	Code for the specific type of event Required Pattern: At least the following
coding		1..*	Coding	Code defined by a terminology system Fixed Value: (Complex)
system		1..1	uri	Identity of the terminology system Fixed Value: http://loinc.org
code		1..1	code	Symbol in syntax defined by the system Fixed Value: 38211-9
display		1..1	string	Representation defined by the system Fixed Value: Pain initiating event Narrative - Reported
value[x]		1..1	CodeableConcept	Code or string describing the specific event Binding: LOINC Answer List LL42549-6 (example)
Documentation for this format

Terminology Bindings (Differential)

Path	Conformance	ValueSet	URI
Observation.code	example	https://hl7.org/fhir/ValueSet/clinical-findings https://hl7.org/fhir/ValueSet/clinical-findings
Observation.value[x]	required	https://loinc.org/LL365-8 https://loinc.org/LL365-8
Observation.bodySite	example	LOINC LL5065-9 http://loinc.org/vs/LL5065-9
Observation.component:quality.value[x]	example	LOINC LL4459-5 http://loinc.org/vs/LL4459-5
Observation.component:severity.value[x]	example	LOINC LL1156-0 http://loinc.org/vs/LL1156-0
Observation.component:functionalImpact.code	example	FunctionalFinding http://hl7.org/fhir/uv/symptoms/ValueSet/FunctionalFinding From this IG
Observation.component:functionalImpact.value[x]	required	LOINC LL365-8 http://loinc.org/vs/LL365-8
Observation.component:clinicalCourse.value[x]	example	LOINC LL4997-4 http://loinc.org/vs/LL4997-4
Observation.component:trend.value[x]	example	LOINC LL4938-8 http://loinc.org/vs/LL4938-8
Observation.component:affectiveGrade.value[x]	example	AffectiveGrade http://hl7.org/fhir/uv/symptoms/ValueSet/AffectiveGrade From this IG
Observation.component:triggers.value[x]	example	LOINC LL42549-6 http://loinc.org/vs/LL42549-6
Observation.component:exacerbatingFactors.value[x]	example	LOINC LL42549-6 http://loinc.org/vs/LL42549-6
Observation.component:alleviatingFactors.value[x]	example	LOINC LL42549-6 http://loinc.org/vs/LL42549-6
Observation.component:otherEvents.value[x]	example	LOINC LL42549-6 http://loinc.org/vs/LL42549-6

Name	Flags	Card.	Type	Description & Constraints    Filter: Bindings Constraints Obligations
Observation	C	0..*	Observation	Measurements and simple assertions Constraints: obs-6, obs-7, obs-8
id	Σ	0..1	id	Logical id of this artifact
meta	Σ	0..1	Meta	Metadata about the resource
implicitRules	?!Σ	0..1	uri	A set of rules under which this content was created
language		0..1	code	Language of the resource content Binding: AllLanguages (required): IETF language tag for a human language Additional Bindings Purpose CommonLanguages Starter
text		0..1	Narrative	Text summary of the resource, for human interpretation This profile does not constrain the narrative in regard to content, language, or traceability to data elements
contained		0..*	Resource	Contained, inline Resources
Slices for extension		0..*	Extension	Extension Slice: Unordered, Open by value:url
extension:associatedSymptom	S	0..*	(Complex)	Other symptoms associated with this symptom URL: http://hl7.org/fhir/StructureDefinition/workflow-supportingInfo
id		0..1	id	Unique id for inter-element referencing
extension		0..0
url		1..1	uri	"http://hl7.org/fhir/StructureDefinition/workflow-supportingInfo"
value[x]		1..1	Reference(Symptom Observation)	Value of extension
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored
identifier	Σ	0..*	Identifier	Business Identifier for observation
instantiates[x]	Σ	0..1	canonical(ObservationDefinition), Reference(ObservationDefinition)	Instantiates FHIR ObservationDefinition
basedOn	Σ	0..*	Reference(CarePlan | DeviceRequest | ImmunizationRecommendation | MedicationRequest | NutritionOrder | ServiceRequest)	Fulfills plan, proposal or order
triggeredBy		0..*	BackboneElement	Triggering observation(s)
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
observation	Σ	1..1	Reference(Observation)	Triggering observation
type	Σ	1..1	code	reflex | repeat | re-run Binding: TriggeredBytype (required): The type of TriggeredBy Observation.
reason		0..1	string	Reason that the observation was triggered
partOf	Σ	0..*	Reference(MedicationAdministration | MedicationDispense | MedicationStatement | Procedure | Immunization | ImagingStudy | GenomicStudy)	Part of referenced event
status	?!SΣ	1..1	code	registered | preliminary | final | amended + Binding: ObservationStatus (required): Codes providing the status of an observation.
category		0..*	CodeableConcept	Classification of type of observation Binding: ObservationCategoryCodes (preferred): Codes for high level observation categories.
code	SΣC	1..1	CodeableConcept	Coded description of symptom Binding: https://hl7.org/fhir/ValueSet/clinical-findings (example)
subject	SΣ	1..1	Reference(Patient)	The patient who is experiencing the symptom
focus	Σ	0..*	Reference(Resource)	What the observation is about, when it is not about the subject of record
encounter	Σ	0..1	Reference(Encounter)	Healthcare event during which this observation is made
effective[x]	SΣ	0..1		Clinically relevant time/time-period for observation
effectiveDateTime			dateTime
effectivePeriod			Period
effectiveTiming			Timing
effectiveInstant			instant
issued	SΣ	0..1	instant	Date/Time this version was made available
performer	SΣ	1..1	Reference(Patient | RelatedPerson)	The person who is reporting the symptom information
value[x]	SΣC	1..1	CodeableConcept	Indicates whether the patient has the symptom or not Binding: https://loinc.org/LL365-8 (required)
note	S	0..*	Annotation	Patient or caregiver description of symptom
bodySite	SC	0..1	CodeableConcept	Where the patient feels the symptom in the body Binding: LOINC Answer List LL5065-9 (example)
bodyStructure	C	0..1	Reference(BodyStructure)	Observed body structure
method		0..1	CodeableConcept	How it was done Binding: ObservationMethods (example): Methods for simple observations.
hasMember	Σ	0..*	Reference(Observation | QuestionnaireResponse | MolecularSequence)	Related resource that belongs to the Observation group
derivedFrom	Σ	0..*	Reference(DocumentReference | ImagingStudy | ImagingSelection | QuestionnaireResponse | Observation | MolecularSequence | GenomicStudy)	Related resource from which the observation is made
Slices for component	SΣC	0..*	BackboneElement	Various information about the symptom Slice: Unordered, Open by value:code
component:All Slices				Content/Rules for all slices
id		0..1	string	Unique id for inter-element referencing
Slices for extension		0..*	Extension	Extension Slice: Unordered, Open by value:url
extension:text	S	0..1	Annotation	Additional notes that apply to this resource or element. URL: http://hl7.org/fhir/StructureDefinition/note
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
code	SΣC	1..1	CodeableConcept	Type of component observation (code / type) Binding: LOINCCodes (example): Codes identifying names of simple observations.
value[x]	SΣ	1..1		Actual component result
valueQuantity			Quantity
valueCodeableConcept			CodeableConcept
valueString			string
valueBoolean			boolean
valueInteger			integer
valueRange			Range
valueRatio			Ratio
valueSampledData			SampledData
valueTime			time
valueDateTime			dateTime
valuePeriod			Period
valueAttachment			Attachment
valueReference			Reference(MolecularSequence)
component:quality	SΣC	0..1	BackboneElement	The patient's internal perception of the symptom
id		0..1	string	Unique id for inter-element referencing
Slices for extension		0..*	Extension	Extension Slice: Unordered, Open by value:url
extension:text	S	0..1	Annotation	Textual description of the symptom quality URL: http://hl7.org/fhir/StructureDefinition/note
extension:scaleCode	S	0..1	CodeableConcept	Assessment Scale Code URL: http://hl7.org/fhir/uv/symptoms/StructureDefinition/AssessmentScaleCode
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
code	SΣC	1..1	CodeableConcept	Type of component observation (code / type) Binding: LOINCCodes (example): Codes identifying names of simple observations. Required Pattern: At least the following
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
coding		1..*	Coding	Code defined by a terminology system Fixed Value: (Complex)
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
system		1..1	uri	Identity of the terminology system Fixed Value: http://loinc.org
version		0..1	string	Version of the system - if relevant
code		1..1	code	Symbol in syntax defined by the system Fixed Value: 32419-4
display		1..1	string	Representation defined by the system Fixed Value: Pain quality
userSelected		0..1	boolean	If this coding was chosen directly by the user
text		0..1	string	Plain text representation of the concept
value[x]	SΣ	1..1	CodeableConcept	Code that represents the symptom quality Binding: LOINC Answer List LL4459-5 (example)
component:severity	SΣC	0..1	BackboneElement	The intensity with which the patient experiences the symptom
id		0..1	string	Unique id for inter-element referencing
Slices for extension		0..*	Extension	Extension Slice: Unordered, Open by value:url
extension:text	S	0..1	Annotation	Textual description of the symptom severity URL: http://hl7.org/fhir/StructureDefinition/note
extension:scaleCode	S	0..1	CodeableConcept	Assessment Scale Code URL: http://hl7.org/fhir/uv/symptoms/StructureDefinition/AssessmentScaleCode
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
code	SΣC	1..1	CodeableConcept	Type of component observation (code / type) Binding: LOINCCodes (example): Codes identifying names of simple observations. Required Pattern: At least the following
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
coding		1..*	Coding	Code defined by a terminology system Fixed Value: (Complex)
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
system		1..1	uri	Identity of the terminology system Fixed Value: http://loinc.org
version		0..1	string	Version of the system - if relevant
code		1..1	code	Symbol in syntax defined by the system Fixed Value: 64750-3
display		1..1	string	Representation defined by the system Fixed Value: Severity of symptoms
userSelected		0..1	boolean	If this coding was chosen directly by the user
text		0..1	string	Plain text representation of the concept
value[x]	SΣ	1..1	CodeableConcept	Actual component result Binding: LOINC Answer List LL1156-0 (example)
component:functionalImpact	SΣC	0..*	BackboneElement	How the symptom affects the patient's daily activities
id		0..1	string	Unique id for inter-element referencing
Slices for extension		0..*	Extension	Extension Slice: Unordered, Open by value:url
extension:text	S	0..1	Annotation	Textual description of the impact URL: http://hl7.org/fhir/StructureDefinition/note
extension:scaleCode	S	0..1	CodeableConcept	Assessment Scale Code URL: http://hl7.org/fhir/uv/symptoms/StructureDefinition/AssessmentScaleCode
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
code	SΣC	1..1	CodeableConcept	Code for the specific scale or assessment if any used to determine the severity Binding: Functional Impact (example)
value[x]	SΣ	1..1	CodeableConcept	Code that represents the symptom severity Binding: LOINC Answer List LL365-8 (required)
component:clinicalCourse	SΣC	0..1	BackboneElement	Character of symptom onset
id		0..1	string	Unique id for inter-element referencing
Slices for extension		0..*	Extension	Extension Slice: Unordered, Open by value:url
extension:text	S	0..1	Annotation	Textual description of the clinical course of the symptom URL: http://hl7.org/fhir/StructureDefinition/note
extension:scaleCode	S	0..1	CodeableConcept	Assessment Scale Code URL: http://hl7.org/fhir/uv/symptoms/StructureDefinition/AssessmentScaleCode
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
code	SΣC	1..1	CodeableConcept	Type of component observation (code / type) Binding: LOINCCodes (example): Codes identifying names of simple observations. Required Pattern: At least the following
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
coding		1..*	Coding	Code defined by a terminology system Fixed Value: (Complex)
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
system		1..1	uri	Identity of the terminology system Fixed Value: http://loinc.org
version		0..1	string	Version of the system - if relevant
code		1..1	code	Symbol in syntax defined by the system Fixed Value: 89261-2
display		1..1	string	Representation defined by the system Fixed Value: Clinical course
userSelected		0..1	boolean	If this coding was chosen directly by the user
text		0..1	string	Plain text representation of the concept
value[x]	SΣ	1..1	CodeableConcept	Actual component result Binding: LOINC Answer List LL4997-4 (example)
component:trend	SΣC	0..1	BackboneElement	Intensity of symptom over time
id		0..1	string	Unique id for inter-element referencing
Slices for extension		0..*	Extension	Extension Slice: Unordered, Open by value:url
extension:text	S	0..1	Annotation	Textual description of the symptom trend URL: http://hl7.org/fhir/StructureDefinition/note
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
code	SΣC	1..1	CodeableConcept	Type of component observation (code / type) Binding: LOINCCodes (example): Codes identifying names of simple observations. Required Pattern: At least the following
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
coding		1..*	Coding	Code defined by a terminology system Fixed Value: (Complex)
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
system		1..1	uri	Identity of the terminology system Fixed Value: http://loinc.org
version		0..1	string	Version of the system - if relevant
code		1..1	code	Symbol in syntax defined by the system Fixed Value: 89253-9
display		1..1	string	Representation defined by the system Fixed Value: Trend
userSelected		0..1	boolean	If this coding was chosen directly by the user
text		0..1	string	Plain text representation of the concept
value[x]	SΣ	1..1	CodeableConcept	Actual component result Binding: LOINC Answer List LL4938-8 (example)
component:affectiveGrade	SΣC	0..1	BackboneElement	Emotional or mental impact of a symptom
id		0..1	string	Unique id for inter-element referencing
Slices for extension		0..*	Extension	Extension Slice: Unordered, Open by value:url
extension:text	S	0..1	Annotation	Textual description of the impact of the symptom URL: http://hl7.org/fhir/StructureDefinition/note
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
code	SΣC	1..1	CodeableConcept	Type of component observation (code / type) Binding: LOINCCodes (example): Codes identifying names of simple observations. Required Pattern: At least the following
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
coding		1..*	Coding	Code defined by a terminology system Fixed Value: (Complex)
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
system		1..1	uri	Identity of the terminology system Fixed Value: http://snomed.info/sct
version		0..1	string	Version of the system - if relevant
code		1..1	code	Symbol in syntax defined by the system Fixed Value: 279116004
display		1..1	string	Representation defined by the system Fixed Value: Affective response to pain
userSelected		0..1	boolean	If this coding was chosen directly by the user
text		0..1	string	Plain text representation of the concept
value[x]	SΣ	1..1	CodeableConcept	Code that represents the affective grade Binding: Affective Grade (example)
component:triggers	SΣC	0..*	BackboneElement	Actions or environments that initiate the symptom
id		0..1	string	Unique id for inter-element referencing
Slices for extension		0..*	Extension	Extension Slice: Unordered, Open by value:url
extension:text	S	0..1	Annotation	Textual description of the event URL: http://hl7.org/fhir/StructureDefinition/note
extension:relatedMedication	S	0..*	Reference(MedicationStatement)	Surrounding Event Medication URL: http://hl7.org/fhir/uv/symptoms/StructureDefinition/SurroundingEventMedication
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
code	SΣC	1..1	CodeableConcept	Code for the specific type of event Binding: LOINCCodes (example): Codes identifying names of simple observations. Required Pattern: At least the following
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
coding		1..*	Coding	Code defined by a terminology system Fixed Value: (Complex)
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
system		1..1	uri	Identity of the terminology system Fixed Value: http://loinc.org
version		0..1	string	Version of the system - if relevant
code		1..1	code	Symbol in syntax defined by the system Fixed Value: 38211-9
display		1..1	string	Representation defined by the system Fixed Value: Pain initiating event Narrative - Reported
userSelected		0..1	boolean	If this coding was chosen directly by the user
text		0..1	string	Plain text representation of the concept
value[x]	SΣ	1..1	CodeableConcept	Code or string describing the specific event Binding: LOINC Answer List LL42549-6 (example)
component:exacerbatingFactors	SΣC	0..*	BackboneElement	Patient reported actions, conditions, events, physical objects or other factors that increase or worsen symptoms
id		0..1	string	Unique id for inter-element referencing
Slices for extension		0..*	Extension	Extension Slice: Unordered, Open by value:url
extension:text	S	0..1	Annotation	Textual description of the event URL: http://hl7.org/fhir/StructureDefinition/note
extension:relatedMedication	S	0..*	Reference(MedicationStatement)	Surrounding Event Medication URL: http://hl7.org/fhir/uv/symptoms/StructureDefinition/SurroundingEventMedication
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
code	SΣC	1..1	CodeableConcept	Code for the specific type of event Binding: LOINCCodes (example): Codes identifying names of simple observations. Required Pattern: At least the following
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
coding		1..*	Coding	Code defined by a terminology system Fixed Value: (Complex)
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
system		1..1	uri	Identity of the terminology system Fixed Value: http://loinc.org
version		0..1	string	Version of the system - if relevant
code		1..1	code	Symbol in syntax defined by the system Fixed Value: 38211-9
display		1..1	string	Representation defined by the system Fixed Value: Pain initiating event Narrative - Reported
userSelected		0..1	boolean	If this coding was chosen directly by the user
text		0..1	string	Plain text representation of the concept
value[x]	SΣ	1..1	CodeableConcept	Code or string describing the specific event Binding: LOINC Answer List LL42549-6 (example)
component:alleviatingFactors	SΣC	0..*	BackboneElement	Patient-reported actions, conditions, events, or other factors that decrease the symptoms or condition
id		0..1	string	Unique id for inter-element referencing
Slices for extension		0..*	Extension	Extension Slice: Unordered, Open by value:url
extension:text	S	0..1	Annotation	Textual description of the event URL: http://hl7.org/fhir/StructureDefinition/note
extension:relatedMedication	S	0..*	Reference(MedicationStatement)	Surrounding Event Medication URL: http://hl7.org/fhir/uv/symptoms/StructureDefinition/SurroundingEventMedication
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
code	SΣC	1..1	CodeableConcept	Code for the specific type of event Binding: LOINCCodes (example): Codes identifying names of simple observations. Required Pattern: At least the following
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
coding		1..*	Coding	Code defined by a terminology system Fixed Value: (Complex)
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
system		1..1	uri	Identity of the terminology system Fixed Value: http://loinc.org
version		0..1	string	Version of the system - if relevant
code		1..1	code	Symbol in syntax defined by the system Fixed Value: 38211-9
display		1..1	string	Representation defined by the system Fixed Value: Pain initiating event Narrative - Reported
userSelected		0..1	boolean	If this coding was chosen directly by the user
text		0..1	string	Plain text representation of the concept
value[x]	SΣ	1..1	CodeableConcept	Code or string describing the specific event Binding: LOINC Answer List LL42549-6 (example)
component:otherEvents	SΣC	0..*	BackboneElement	Patient-reported actions that were occuring at time of symptom onset
id		0..1	string	Unique id for inter-element referencing
Slices for extension		0..*	Extension	Extension Slice: Unordered, Open by value:url
extension:text	S	0..1	Annotation	Textual description of the event URL: http://hl7.org/fhir/StructureDefinition/note
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
code	SΣC	1..1	CodeableConcept	Code for the specific type of event Binding: LOINCCodes (example): Codes identifying names of simple observations. Required Pattern: At least the following
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
coding		1..*	Coding	Code defined by a terminology system Fixed Value: (Complex)
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
system		1..1	uri	Identity of the terminology system Fixed Value: http://loinc.org
version		0..1	string	Version of the system - if relevant
code		1..1	code	Symbol in syntax defined by the system Fixed Value: 38211-9
display		1..1	string	Representation defined by the system Fixed Value: Pain initiating event Narrative - Reported
userSelected		0..1	boolean	If this coding was chosen directly by the user
text		0..1	string	Plain text representation of the concept
value[x]	SΣ	1..1	CodeableConcept	Code or string describing the specific event Binding: LOINC Answer List LL42549-6 (example)
Documentation for this format

Terminology Bindings

Path	Conformance	ValueSet / Code	URI
Observation.language	required	AllLanguages http://hl7.org/fhir/ValueSet/all-languages|5.0.0 From the FHIR Standard
Observation.triggeredBy.type	required	TriggeredBytype http://hl7.org/fhir/ValueSet/observation-triggeredbytype|5.0.0 From the FHIR Standard
Observation.status	required	ObservationStatus http://hl7.org/fhir/ValueSet/observation-status|5.0.0 From the FHIR Standard
Observation.category	preferred	ObservationCategoryCodes http://hl7.org/fhir/ValueSet/observation-category From the FHIR Standard
Observation.code	example	https://hl7.org/fhir/ValueSet/clinical-findings https://hl7.org/fhir/ValueSet/clinical-findings
Observation.value[x]	required	https://loinc.org/LL365-8 https://loinc.org/LL365-8
Observation.bodySite	example	LOINC LL5065-9 http://loinc.org/vs/LL5065-9
Observation.method	example	ObservationMethods http://hl7.org/fhir/ValueSet/observation-methods From the FHIR Standard
Observation.referenceRange.normalValue	extensible	ObservationReferenceRangeNormalValueCodes http://hl7.org/fhir/ValueSet/observation-referencerange-normalvalue From the FHIR Standard
Observation.referenceRange.type	preferred	ObservationReferenceRangeMeaningCodes http://hl7.org/fhir/ValueSet/referencerange-meaning From the FHIR Standard
Observation.referenceRange.appliesTo	example	ObservationReferenceRangeAppliesToCodes http://hl7.org/fhir/ValueSet/referencerange-appliesto From the FHIR Standard
Observation.component.code	example	LOINCCodes(a valid code from LOINC) http://hl7.org/fhir/ValueSet/observation-codes From the FHIR Standard
Observation.component:quality.code	example	Pattern Value: LOINC Code 32419-4("Pain quality") http://hl7.org/fhir/ValueSet/observation-codes From the FHIR Standard
Observation.component:quality.value[x]	example	LOINC LL4459-5 http://loinc.org/vs/LL4459-5
Observation.component:severity.code	example	Pattern Value: LOINC Code 64750-3("Severity of symptoms") http://hl7.org/fhir/ValueSet/observation-codes From the FHIR Standard
Observation.component:severity.value[x]	example	LOINC LL1156-0 http://loinc.org/vs/LL1156-0
Observation.component:functionalImpact.code	example	FunctionalFinding http://hl7.org/fhir/uv/symptoms/ValueSet/FunctionalFinding From this IG
Observation.component:functionalImpact.value[x]	required	LOINC LL365-8 http://loinc.org/vs/LL365-8
Observation.component:clinicalCourse.code	example	Pattern Value: LOINC Code 89261-2("Clinical course") http://hl7.org/fhir/ValueSet/observation-codes From the FHIR Standard
Observation.component:clinicalCourse.value[x]	example	LOINC LL4997-4 http://loinc.org/vs/LL4997-4
Observation.component:trend.code	example	Pattern Value: LOINC Code 89253-9("Trend") http://hl7.org/fhir/ValueSet/observation-codes From the FHIR Standard
Observation.component:trend.value[x]	example	LOINC LL4938-8 http://loinc.org/vs/LL4938-8
Observation.component:affectiveGrade.code	example	Pattern Value: SNOMED-CT Code 279116004("Affective response to pain") http://hl7.org/fhir/ValueSet/observation-codes From the FHIR Standard
Observation.component:affectiveGrade.value[x]	example	AffectiveGrade http://hl7.org/fhir/uv/symptoms/ValueSet/AffectiveGrade From this IG
Observation.component:triggers.code	example	Pattern Value: LOINC Code 38211-9("Pain initiating event Narrative - Reported") http://hl7.org/fhir/ValueSet/observation-codes From the FHIR Standard
Observation.component:triggers.value[x]	example	LOINC LL42549-6 http://loinc.org/vs/LL42549-6
Observation.component:exacerbatingFactors.code	example	Pattern Value: LOINC Code 38211-9("Pain initiating event Narrative - Reported") http://hl7.org/fhir/ValueSet/observation-codes From the FHIR Standard
Observation.component:exacerbatingFactors.value[x]	example	LOINC LL42549-6 http://loinc.org/vs/LL42549-6
Observation.component:alleviatingFactors.code	example	Pattern Value: LOINC Code 38211-9("Pain initiating event Narrative - Reported") http://hl7.org/fhir/ValueSet/observation-codes From the FHIR Standard
Observation.component:alleviatingFactors.value[x]	example	LOINC LL42549-6 http://loinc.org/vs/LL42549-6
Observation.component:otherEvents.code	example	Pattern Value: LOINC Code 38211-9("Pain initiating event Narrative - Reported") http://hl7.org/fhir/ValueSet/observation-codes From the FHIR Standard
Observation.component:otherEvents.value[x]	example	LOINC LL42549-6 http://loinc.org/vs/LL42549-6

Constraints

Id	Grade	Path(s)	Details	Requirements
dom-2	error	Observation	If the resource is contained in another resource, it SHALL NOT contain nested Resources : contained.contained.empty()
dom-3	error	Observation	If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource : contained.where((('#'+id in (%resource.descendants().reference | %resource.descendants().ofType(canonical) | %resource.descendants().ofType(uri) | %resource.descendants().ofType(url))) or descendants().where(reference = '#').exists() or descendants().where(ofType(canonical) = '#').exists() or descendants().where(ofType(canonical) = '#').exists()).not()).trace('unmatched', id).empty()
dom-4	error	Observation	If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated : contained.meta.versionId.empty() and contained.meta.lastUpdated.empty()
dom-5	error	Observation	If a resource is contained in another resource, it SHALL NOT have a security label : contained.meta.security.empty()
dom-6	best practice	Observation	A resource should have narrative for robust management : text.`div`.exists()
ele-1	error	**ALL** elements	All FHIR elements must have a @value or children : hasValue() or (children().count() > id.count())
ext-1	error	**ALL** extensions	Must have either extensions or value[x], not both : extension.exists() != value.exists()
obs-6	error	Observation	dataAbsentReason SHALL only be present if Observation.value[x] is not present : dataAbsentReason.empty() or value.empty()
obs-7	error	Observation	If Observation.component.code is the same as Observation.code, then Observation.value SHALL NOT be present (the Observation.component.value[x] holds the value). : value.empty() or component.code.where(coding.intersect(%resource.code.coding).exists()).empty()
obs-8	error	Observation	bodyStructure SHALL only be present if Observation.bodySite is not present : bodySite.exists() implies bodyStructure.empty()

This structure is derived from Observation

Summary

Mandatory: 3 elements(1 nested mandatory element)
Must-Support: 41 elements
Prohibited: 8 elements

Structures

This structure refers to these other structures:

• Symptom Observation (http://hl7.org/fhir/uv/symptoms/StructureDefinition/SymptomObservation)

Extensions

This structure refers to these extensions:

• http://hl7.org/fhir/StructureDefinition/workflow-supportingInfo
• http://hl7.org/fhir/StructureDefinition/note
• http://hl7.org/fhir/uv/symptoms/StructureDefinition/AssessmentScaleCode
• http://hl7.org/fhir/uv/symptoms/StructureDefinition/SurroundingEventMedication

Slices

This structure defines the following Slices:

• The element 1 is sliced based on the value of Observation.component

Maturity: 1

Key Elements View

Name	Flags	Card.	Type	Description & Constraints    Filter: Bindings Constraints Obligations
Observation	C	0..*	Observation	Measurements and simple assertions Constraints: obs-6, obs-7, obs-8
implicitRules	?!Σ	0..1	uri	A set of rules under which this content was created
contained		0..*	Resource	Contained, inline Resources
Slices for extension		0..*	Extension	Extension Slice: Unordered, Open by value:url
extension:associatedSymptom	S	0..*	(Complex)	Other symptoms associated with this symptom URL: http://hl7.org/fhir/StructureDefinition/workflow-supportingInfo
extension		0..0
url		1..1	uri	"http://hl7.org/fhir/StructureDefinition/workflow-supportingInfo"
value[x]		1..1	Reference(Symptom Observation)	Value of extension
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored
status	?!SΣ	1..1	code	registered | preliminary | final | amended + Binding: ObservationStatus (required): Codes providing the status of an observation.
code	SΣC	1..1	CodeableConcept	Coded description of symptom Binding: https://hl7.org/fhir/ValueSet/clinical-findings (example)
subject	SΣ	1..1	Reference(Patient)	The patient who is experiencing the symptom
effective[x]	SΣ	0..1		Clinically relevant time/time-period for observation
effectiveDateTime			dateTime
effectivePeriod			Period
effectiveTiming			Timing
effectiveInstant			instant
issued	SΣ	0..1	instant	Date/Time this version was made available
performer	SΣ	1..1	Reference(Patient | RelatedPerson)	The person who is reporting the symptom information
value[x]	SΣC	1..1	CodeableConcept	Indicates whether the patient has the symptom or not Binding: https://loinc.org/LL365-8 (required)
note	S	0..*	Annotation	Patient or caregiver description of symptom
bodySite	SC	0..1	CodeableConcept	Where the patient feels the symptom in the body Binding: LOINC Answer List LL5065-9 (example)
Slices for component	SΣC	0..*	BackboneElement	Various information about the symptom Slice: Unordered, Open by value:code
component:All Slices				Content/Rules for all slices
Slices for extension		0..*	Extension	Extension Slice: Unordered, Open by value:url
extension:text	S	0..1	Annotation	Additional notes that apply to this resource or element. URL: http://hl7.org/fhir/StructureDefinition/note
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
code	SΣC	1..1	CodeableConcept	Type of component observation (code / type) Binding: LOINCCodes (example): Codes identifying names of simple observations.
value[x]	SΣ	1..1		Actual component result
valueQuantity			Quantity
valueCodeableConcept			CodeableConcept
valueString			string
valueBoolean			boolean
valueInteger			integer
valueRange			Range
valueRatio			Ratio
valueSampledData			SampledData
valueTime			time
valueDateTime			dateTime
valuePeriod			Period
valueAttachment			Attachment
valueReference			Reference(MolecularSequence)
component:quality	SΣC	0..1	BackboneElement	The patient's internal perception of the symptom
Slices for extension				Content/Rules for all slices
extension:text	S	0..1	Annotation	Textual description of the symptom quality URL: http://hl7.org/fhir/StructureDefinition/note
extension:scaleCode	S	0..1	CodeableConcept	Assessment Scale Code URL: http://hl7.org/fhir/uv/symptoms/StructureDefinition/AssessmentScaleCode
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
code	SΣC	1..1	CodeableConcept	Type of component observation (code / type) Binding: LOINCCodes (example): Codes identifying names of simple observations. Required Pattern: At least the following
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
coding		1..*	Coding	Code defined by a terminology system Fixed Value: (Complex)
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
system		1..1	uri	Identity of the terminology system Fixed Value: http://loinc.org
version		0..1	string	Version of the system - if relevant
code		1..1	code	Symbol in syntax defined by the system Fixed Value: 32419-4
display		1..1	string	Representation defined by the system Fixed Value: Pain quality
userSelected		0..1	boolean	If this coding was chosen directly by the user
text		0..1	string	Plain text representation of the concept
value[x]	SΣ	1..1	CodeableConcept	Code that represents the symptom quality Binding: LOINC Answer List LL4459-5 (example)
component:severity	SΣC	0..1	BackboneElement	The intensity with which the patient experiences the symptom
Slices for extension				Content/Rules for all slices
extension:text	S	0..1	Annotation	Textual description of the symptom severity URL: http://hl7.org/fhir/StructureDefinition/note
extension:scaleCode	S	0..1	CodeableConcept	Assessment Scale Code URL: http://hl7.org/fhir/uv/symptoms/StructureDefinition/AssessmentScaleCode
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
code	SΣC	1..1	CodeableConcept	Type of component observation (code / type) Binding: LOINCCodes (example): Codes identifying names of simple observations. Required Pattern: At least the following
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
coding		1..*	Coding	Code defined by a terminology system Fixed Value: (Complex)
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
system		1..1	uri	Identity of the terminology system Fixed Value: http://loinc.org
version		0..1	string	Version of the system - if relevant
code		1..1	code	Symbol in syntax defined by the system Fixed Value: 64750-3
display		1..1	string	Representation defined by the system Fixed Value: Severity of symptoms
userSelected		0..1	boolean	If this coding was chosen directly by the user
text		0..1	string	Plain text representation of the concept
value[x]	SΣ	1..1	CodeableConcept	Actual component result Binding: LOINC Answer List LL1156-0 (example)
component:functionalImpact	SΣC	0..*	BackboneElement	How the symptom affects the patient's daily activities
Slices for extension				Content/Rules for all slices
extension:text	S	0..1	Annotation	Textual description of the impact URL: http://hl7.org/fhir/StructureDefinition/note
extension:scaleCode	S	0..1	CodeableConcept	Assessment Scale Code URL: http://hl7.org/fhir/uv/symptoms/StructureDefinition/AssessmentScaleCode
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
code	SΣC	1..1	CodeableConcept	Code for the specific scale or assessment if any used to determine the severity Binding: Functional Impact (example)
value[x]	SΣ	1..1	CodeableConcept	Code that represents the symptom severity Binding: LOINC Answer List LL365-8 (required)
component:clinicalCourse	SΣC	0..1	BackboneElement	Character of symptom onset
Slices for extension				Content/Rules for all slices
extension:text	S	0..1	Annotation	Textual description of the clinical course of the symptom URL: http://hl7.org/fhir/StructureDefinition/note
extension:scaleCode	S	0..1	CodeableConcept	Assessment Scale Code URL: http://hl7.org/fhir/uv/symptoms/StructureDefinition/AssessmentScaleCode
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
code	SΣC	1..1	CodeableConcept	Type of component observation (code / type) Binding: LOINCCodes (example): Codes identifying names of simple observations. Required Pattern: At least the following
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
coding		1..*	Coding	Code defined by a terminology system Fixed Value: (Complex)
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
system		1..1	uri	Identity of the terminology system Fixed Value: http://loinc.org
version		0..1	string	Version of the system - if relevant
code		1..1	code	Symbol in syntax defined by the system Fixed Value: 89261-2
display		1..1	string	Representation defined by the system Fixed Value: Clinical course
userSelected		0..1	boolean	If this coding was chosen directly by the user
text		0..1	string	Plain text representation of the concept
value[x]	SΣ	1..1	CodeableConcept	Actual component result Binding: LOINC Answer List LL4997-4 (example)
component:trend	SΣC	0..1	BackboneElement	Intensity of symptom over time
Slices for extension				Content/Rules for all slices
extension:text	S	0..1	Annotation	Textual description of the symptom trend URL: http://hl7.org/fhir/StructureDefinition/note
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
code	SΣC	1..1	CodeableConcept	Type of component observation (code / type) Binding: LOINCCodes (example): Codes identifying names of simple observations. Required Pattern: At least the following
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
coding		1..*	Coding	Code defined by a terminology system Fixed Value: (Complex)
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
system		1..1	uri	Identity of the terminology system Fixed Value: http://loinc.org
version		0..1	string	Version of the system - if relevant
code		1..1	code	Symbol in syntax defined by the system Fixed Value: 89253-9
display		1..1	string	Representation defined by the system Fixed Value: Trend
userSelected		0..1	boolean	If this coding was chosen directly by the user
text		0..1	string	Plain text representation of the concept
value[x]	SΣ	1..1	CodeableConcept	Actual component result Binding: LOINC Answer List LL4938-8 (example)
component:affectiveGrade	SΣC	0..1	BackboneElement	Emotional or mental impact of a symptom
Slices for extension				Content/Rules for all slices
extension:text	S	0..1	Annotation	Textual description of the impact of the symptom URL: http://hl7.org/fhir/StructureDefinition/note
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
code	SΣC	1..1	CodeableConcept	Type of component observation (code / type) Binding: LOINCCodes (example): Codes identifying names of simple observations. Required Pattern: At least the following
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
coding		1..*	Coding	Code defined by a terminology system Fixed Value: (Complex)
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
system		1..1	uri	Identity of the terminology system Fixed Value: http://snomed.info/sct
version		0..1	string	Version of the system - if relevant
code		1..1	code	Symbol in syntax defined by the system Fixed Value: 279116004
display		1..1	string	Representation defined by the system Fixed Value: Affective response to pain
userSelected		0..1	boolean	If this coding was chosen directly by the user
text		0..1	string	Plain text representation of the concept
value[x]	SΣ	1..1	CodeableConcept	Code that represents the affective grade Binding: Affective Grade (example)
component:triggers	SΣC	0..*	BackboneElement	Actions or environments that initiate the symptom
Slices for extension				Content/Rules for all slices
extension:text	S	0..1	Annotation	Textual description of the event URL: http://hl7.org/fhir/StructureDefinition/note
extension:relatedMedication	S	0..*	Reference(MedicationStatement)	Surrounding Event Medication URL: http://hl7.org/fhir/uv/symptoms/StructureDefinition/SurroundingEventMedication
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
code	SΣC	1..1	CodeableConcept	Code for the specific type of event Binding: LOINCCodes (example): Codes identifying names of simple observations. Required Pattern: At least the following
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
coding		1..*	Coding	Code defined by a terminology system Fixed Value: (Complex)
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
system		1..1	uri	Identity of the terminology system Fixed Value: http://loinc.org
version		0..1	string	Version of the system - if relevant
code		1..1	code	Symbol in syntax defined by the system Fixed Value: 38211-9
display		1..1	string	Representation defined by the system Fixed Value: Pain initiating event Narrative - Reported
userSelected		0..1	boolean	If this coding was chosen directly by the user
text		0..1	string	Plain text representation of the concept
value[x]	SΣ	1..1	CodeableConcept	Code or string describing the specific event Binding: LOINC Answer List LL42549-6 (example)
component:exacerbatingFactors	SΣC	0..*	BackboneElement	Patient reported actions, conditions, events, physical objects or other factors that increase or worsen symptoms
Slices for extension				Content/Rules for all slices
extension:text	S	0..1	Annotation	Textual description of the event URL: http://hl7.org/fhir/StructureDefinition/note
extension:relatedMedication	S	0..*	Reference(MedicationStatement)	Surrounding Event Medication URL: http://hl7.org/fhir/uv/symptoms/StructureDefinition/SurroundingEventMedication
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
code	SΣC	1..1	CodeableConcept	Code for the specific type of event Binding: LOINCCodes (example): Codes identifying names of simple observations. Required Pattern: At least the following
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
coding		1..*	Coding	Code defined by a terminology system Fixed Value: (Complex)
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
system		1..1	uri	Identity of the terminology system Fixed Value: http://loinc.org
version		0..1	string	Version of the system - if relevant
code		1..1	code	Symbol in syntax defined by the system Fixed Value: 38211-9
display		1..1	string	Representation defined by the system Fixed Value: Pain initiating event Narrative - Reported
userSelected		0..1	boolean	If this coding was chosen directly by the user
text		0..1	string	Plain text representation of the concept
value[x]	SΣ	1..1	CodeableConcept	Code or string describing the specific event Binding: LOINC Answer List LL42549-6 (example)
component:alleviatingFactors	SΣC	0..*	BackboneElement	Patient-reported actions, conditions, events, or other factors that decrease the symptoms or condition
Slices for extension				Content/Rules for all slices
extension:text	S	0..1	Annotation	Textual description of the event URL: http://hl7.org/fhir/StructureDefinition/note
extension:relatedMedication	S	0..*	Reference(MedicationStatement)	Surrounding Event Medication URL: http://hl7.org/fhir/uv/symptoms/StructureDefinition/SurroundingEventMedication
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
code	SΣC	1..1	CodeableConcept	Code for the specific type of event Binding: LOINCCodes (example): Codes identifying names of simple observations. Required Pattern: At least the following
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
coding		1..*	Coding	Code defined by a terminology system Fixed Value: (Complex)
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
system		1..1	uri	Identity of the terminology system Fixed Value: http://loinc.org
version		0..1	string	Version of the system - if relevant
code		1..1	code	Symbol in syntax defined by the system Fixed Value: 38211-9
display		1..1	string	Representation defined by the system Fixed Value: Pain initiating event Narrative - Reported
userSelected		0..1	boolean	If this coding was chosen directly by the user
text		0..1	string	Plain text representation of the concept
value[x]	SΣ	1..1	CodeableConcept	Code or string describing the specific event Binding: LOINC Answer List LL42549-6 (example)
component:otherEvents	SΣC	0..*	BackboneElement	Patient-reported actions that were occuring at time of symptom onset
Slices for extension				Content/Rules for all slices
extension:text	S	0..1	Annotation	Textual description of the event URL: http://hl7.org/fhir/StructureDefinition/note
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
code	SΣC	1..1	CodeableConcept	Code for the specific type of event Binding: LOINCCodes (example): Codes identifying names of simple observations. Required Pattern: At least the following
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
coding		1..*	Coding	Code defined by a terminology system Fixed Value: (Complex)
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
system		1..1	uri	Identity of the terminology system Fixed Value: http://loinc.org
version		0..1	string	Version of the system - if relevant
code		1..1	code	Symbol in syntax defined by the system Fixed Value: 38211-9
display		1..1	string	Representation defined by the system Fixed Value: Pain initiating event Narrative - Reported
userSelected		0..1	boolean	If this coding was chosen directly by the user
text		0..1	string	Plain text representation of the concept
value[x]	SΣ	1..1	CodeableConcept	Code or string describing the specific event Binding: LOINC Answer List LL42549-6 (example)
Documentation for this format

Terminology Bindings

Path	Conformance	ValueSet / Code	URI
Observation.status	required	ObservationStatus http://hl7.org/fhir/ValueSet/observation-status|5.0.0 From the FHIR Standard
Observation.code	example	https://hl7.org/fhir/ValueSet/clinical-findings https://hl7.org/fhir/ValueSet/clinical-findings
Observation.value[x]	required	https://loinc.org/LL365-8 https://loinc.org/LL365-8
Observation.bodySite	example	LOINC LL5065-9 http://loinc.org/vs/LL5065-9
Observation.component.code	example	LOINCCodes(a valid code from LOINC) http://hl7.org/fhir/ValueSet/observation-codes From the FHIR Standard
Observation.component:quality.code	example	Pattern Value: LOINC Code 32419-4("Pain quality") http://hl7.org/fhir/ValueSet/observation-codes From the FHIR Standard
Observation.component:quality.value[x]	example	LOINC LL4459-5 http://loinc.org/vs/LL4459-5
Observation.component:severity.code	example	Pattern Value: LOINC Code 64750-3("Severity of symptoms") http://hl7.org/fhir/ValueSet/observation-codes From the FHIR Standard
Observation.component:severity.value[x]	example	LOINC LL1156-0 http://loinc.org/vs/LL1156-0
Observation.component:functionalImpact.code	example	FunctionalFinding http://hl7.org/fhir/uv/symptoms/ValueSet/FunctionalFinding From this IG
Observation.component:functionalImpact.value[x]	required	LOINC LL365-8 http://loinc.org/vs/LL365-8
Observation.component:clinicalCourse.code	example	Pattern Value: LOINC Code 89261-2("Clinical course") http://hl7.org/fhir/ValueSet/observation-codes From the FHIR Standard
Observation.component:clinicalCourse.value[x]	example	LOINC LL4997-4 http://loinc.org/vs/LL4997-4
Observation.component:trend.code	example	Pattern Value: LOINC Code 89253-9("Trend") http://hl7.org/fhir/ValueSet/observation-codes From the FHIR Standard
Observation.component:trend.value[x]	example	LOINC LL4938-8 http://loinc.org/vs/LL4938-8
Observation.component:affectiveGrade.code	example	Pattern Value: SNOMED-CT Code 279116004("Affective response to pain") http://hl7.org/fhir/ValueSet/observation-codes From the FHIR Standard
Observation.component:affectiveGrade.value[x]	example	AffectiveGrade http://hl7.org/fhir/uv/symptoms/ValueSet/AffectiveGrade From this IG
Observation.component:triggers.code	example	Pattern Value: LOINC Code 38211-9("Pain initiating event Narrative - Reported") http://hl7.org/fhir/ValueSet/observation-codes From the FHIR Standard
Observation.component:triggers.value[x]	example	LOINC LL42549-6 http://loinc.org/vs/LL42549-6
Observation.component:exacerbatingFactors.code	example	Pattern Value: LOINC Code 38211-9("Pain initiating event Narrative - Reported") http://hl7.org/fhir/ValueSet/observation-codes From the FHIR Standard
Observation.component:exacerbatingFactors.value[x]	example	LOINC LL42549-6 http://loinc.org/vs/LL42549-6
Observation.component:alleviatingFactors.code	example	Pattern Value: LOINC Code 38211-9("Pain initiating event Narrative - Reported") http://hl7.org/fhir/ValueSet/observation-codes From the FHIR Standard
Observation.component:alleviatingFactors.value[x]	example	LOINC LL42549-6 http://loinc.org/vs/LL42549-6
Observation.component:otherEvents.code	example	Pattern Value: LOINC Code 38211-9("Pain initiating event Narrative - Reported") http://hl7.org/fhir/ValueSet/observation-codes From the FHIR Standard
Observation.component:otherEvents.value[x]	example	LOINC LL42549-6 http://loinc.org/vs/LL42549-6

Constraints

Id	Grade	Path(s)	Details	Requirements
dom-2	error	Observation	If the resource is contained in another resource, it SHALL NOT contain nested Resources : contained.contained.empty()
dom-3	error	Observation	If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource : contained.where((('#'+id in (%resource.descendants().reference | %resource.descendants().ofType(canonical) | %resource.descendants().ofType(uri) | %resource.descendants().ofType(url))) or descendants().where(reference = '#').exists() or descendants().where(ofType(canonical) = '#').exists() or descendants().where(ofType(canonical) = '#').exists()).not()).trace('unmatched', id).empty()
dom-4	error	Observation	If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated : contained.meta.versionId.empty() and contained.meta.lastUpdated.empty()
dom-5	error	Observation	If a resource is contained in another resource, it SHALL NOT have a security label : contained.meta.security.empty()
dom-6	best practice	Observation	A resource should have narrative for robust management : text.`div`.exists()
ele-1	error	**ALL** elements	All FHIR elements must have a @value or children : hasValue() or (children().count() > id.count())
ext-1	error	**ALL** extensions	Must have either extensions or value[x], not both : extension.exists() != value.exists()
obs-6	error	Observation	dataAbsentReason SHALL only be present if Observation.value[x] is not present : dataAbsentReason.empty() or value.empty()
obs-7	error	Observation	If Observation.component.code is the same as Observation.code, then Observation.value SHALL NOT be present (the Observation.component.value[x] holds the value). : value.empty() or component.code.where(coding.intersect(%resource.code.coding).exists()).empty()
obs-8	error	Observation	bodyStructure SHALL only be present if Observation.bodySite is not present : bodySite.exists() implies bodyStructure.empty()

Differential View

This structure is derived from Observation

Name	Flags	Card.	Type	Description & Constraints    Filter: Bindings Constraints Obligations
Observation		0..*	Observation	Measurements and simple assertions
Slices for extension		0..*	Extension	Extension Slice: Unordered, Open by value:url
extension:associatedSymptom	S	0..*	(Complex)	Other symptoms associated with this symptom URL: http://hl7.org/fhir/StructureDefinition/workflow-supportingInfo
value[x]		1..1	Reference(Symptom Observation)	Value of extension
status	S	1..1	code	registered | preliminary | final | amended +
code	S	1..1	CodeableConcept	Coded description of symptom Binding: https://hl7.org/fhir/ValueSet/clinical-findings (example)
subject	S	1..1	Reference(Patient)	The patient who is experiencing the symptom
effective[x]	S	0..1	dateTime, Period, Timing, instant	Clinically relevant time/time-period for observation
issued	S	0..1	instant	Date/Time this version was made available
performer	S	1..1	Reference(Patient | RelatedPerson)	The person who is reporting the symptom information
value[x]	S	1..1	CodeableConcept	Indicates whether the patient has the symptom or not Binding: https://loinc.org/LL365-8 (required)
dataAbsentReason		0..0
interpretation		0..0
note	S	0..*	Annotation	Patient or caregiver description of symptom
bodySite	S	0..1	CodeableConcept	Where the patient feels the symptom in the body Binding: LOINC Answer List LL5065-9 (example)
specimen		0..0
device		0..0
referenceRange		0..0
Slices for component	S	0..*	BackboneElement	Various information about the symptom Slice: Unordered, Open by value:code
component:All Slices				Content/Rules for all slices
Slices for extension		0..*	Extension	Extension Slice: Unordered, Open by value:url
extension:text	S	0..1	Annotation	Additional notes that apply to this resource or element. URL: http://hl7.org/fhir/StructureDefinition/note
code	S	1..1	CodeableConcept	Type of component observation (code / type)
value[x]	S	1..1	Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period, Attachment, Reference(MolecularSequence)	Actual component result
dataAbsentReason		0..0
interpretation		0..0
referenceRange		0..0
component:quality	S	0..1	BackboneElement	The patient's internal perception of the symptom
Slices for extension				Content/Rules for all slices
extension:text	S	0..1	Annotation	Textual description of the symptom quality URL: http://hl7.org/fhir/StructureDefinition/note
extension:scaleCode	S	0..1	CodeableConcept	Assessment Scale Code URL: http://hl7.org/fhir/uv/symptoms/StructureDefinition/AssessmentScaleCode
code		1..1	CodeableConcept	Type of component observation (code / type) Required Pattern: At least the following
coding		1..*	Coding	Code defined by a terminology system Fixed Value: (Complex)
system		1..1	uri	Identity of the terminology system Fixed Value: http://loinc.org
code		1..1	code	Symbol in syntax defined by the system Fixed Value: 32419-4
display		1..1	string	Representation defined by the system Fixed Value: Pain quality
value[x]		1..1	CodeableConcept	Code that represents the symptom quality Binding: LOINC Answer List LL4459-5 (example)
component:severity	S	0..1	BackboneElement	The intensity with which the patient experiences the symptom
Slices for extension				Content/Rules for all slices
extension:text	S	0..1	Annotation	Textual description of the symptom severity URL: http://hl7.org/fhir/StructureDefinition/note
extension:scaleCode	S	0..1	CodeableConcept	Assessment Scale Code URL: http://hl7.org/fhir/uv/symptoms/StructureDefinition/AssessmentScaleCode
code		1..1	CodeableConcept	Type of component observation (code / type) Required Pattern: At least the following
coding		1..*	Coding	Code defined by a terminology system Fixed Value: (Complex)
system		1..1	uri	Identity of the terminology system Fixed Value: http://loinc.org
code		1..1	code	Symbol in syntax defined by the system Fixed Value: 64750-3
display		1..1	string	Representation defined by the system Fixed Value: Severity of symptoms
value[x]		1..1	CodeableConcept	Actual component result Binding: LOINC Answer List LL1156-0 (example)
component:functionalImpact	S	0..*	BackboneElement	How the symptom affects the patient's daily activities
Slices for extension				Content/Rules for all slices
extension:text	S	0..1	Annotation	Textual description of the impact URL: http://hl7.org/fhir/StructureDefinition/note
extension:scaleCode	S	0..1	CodeableConcept	Assessment Scale Code URL: http://hl7.org/fhir/uv/symptoms/StructureDefinition/AssessmentScaleCode
code		1..1	CodeableConcept	Code for the specific scale or assessment if any used to determine the severity Binding: Functional Impact (example)
value[x]		1..1	CodeableConcept	Code that represents the symptom severity Binding: LOINC Answer List LL365-8 (required)
component:clinicalCourse	S	0..1	BackboneElement	Character of symptom onset
Slices for extension				Content/Rules for all slices
extension:text	S	0..1	Annotation	Textual description of the clinical course of the symptom URL: http://hl7.org/fhir/StructureDefinition/note
extension:scaleCode	S	0..1	CodeableConcept	Assessment Scale Code URL: http://hl7.org/fhir/uv/symptoms/StructureDefinition/AssessmentScaleCode
code		1..1	CodeableConcept	Type of component observation (code / type) Required Pattern: At least the following
coding		1..*	Coding	Code defined by a terminology system Fixed Value: (Complex)
system		1..1	uri	Identity of the terminology system Fixed Value: http://loinc.org
code		1..1	code	Symbol in syntax defined by the system Fixed Value: 89261-2
display		1..1	string	Representation defined by the system Fixed Value: Clinical course
value[x]		1..1	CodeableConcept	Actual component result Binding: LOINC Answer List LL4997-4 (example)
component:trend	S	0..1	BackboneElement	Intensity of symptom over time
Slices for extension				Content/Rules for all slices
extension:text	S	0..1	Annotation	Textual description of the symptom trend URL: http://hl7.org/fhir/StructureDefinition/note
code		1..1	CodeableConcept	Type of component observation (code / type) Required Pattern: At least the following
coding		1..*	Coding	Code defined by a terminology system Fixed Value: (Complex)
system		1..1	uri	Identity of the terminology system Fixed Value: http://loinc.org
code		1..1	code	Symbol in syntax defined by the system Fixed Value: 89253-9
display		1..1	string	Representation defined by the system Fixed Value: Trend
value[x]		1..1	CodeableConcept	Actual component result Binding: LOINC Answer List LL4938-8 (example)
component:affectiveGrade	S	0..1	BackboneElement	Emotional or mental impact of a symptom
Slices for extension				Content/Rules for all slices
extension:text	S	0..1	Annotation	Textual description of the impact of the symptom URL: http://hl7.org/fhir/StructureDefinition/note
code		1..1	CodeableConcept	Type of component observation (code / type) Required Pattern: At least the following
coding		1..*	Coding	Code defined by a terminology system Fixed Value: (Complex)
system		1..1	uri	Identity of the terminology system Fixed Value: http://snomed.info/sct
code		1..1	code	Symbol in syntax defined by the system Fixed Value: 279116004
display		1..1	string	Representation defined by the system Fixed Value: Affective response to pain
value[x]		1..1	CodeableConcept	Code that represents the affective grade Binding: Affective Grade (example)
component:triggers	S	0..*	BackboneElement	Actions or environments that initiate the symptom
Slices for extension				Content/Rules for all slices
extension:text	S	0..1	Annotation	Textual description of the event URL: http://hl7.org/fhir/StructureDefinition/note
extension:relatedMedication	S	0..*	Reference(MedicationStatement)	Surrounding Event Medication URL: http://hl7.org/fhir/uv/symptoms/StructureDefinition/SurroundingEventMedication
code		1..1	CodeableConcept	Code for the specific type of event Required Pattern: At least the following
coding		1..*	Coding	Code defined by a terminology system Fixed Value: (Complex)
system		1..1	uri	Identity of the terminology system Fixed Value: http://loinc.org
code		1..1	code	Symbol in syntax defined by the system Fixed Value: 38211-9
display		1..1	string	Representation defined by the system Fixed Value: Pain initiating event Narrative - Reported
value[x]		1..1	CodeableConcept	Code or string describing the specific event Binding: LOINC Answer List LL42549-6 (example)
component:exacerbatingFactors	S	0..*	BackboneElement	Patient reported actions, conditions, events, physical objects or other factors that increase or worsen symptoms
Slices for extension				Content/Rules for all slices
extension:text	S	0..1	Annotation	Textual description of the event URL: http://hl7.org/fhir/StructureDefinition/note
extension:relatedMedication	S	0..*	Reference(MedicationStatement)	Surrounding Event Medication URL: http://hl7.org/fhir/uv/symptoms/StructureDefinition/SurroundingEventMedication
code		1..1	CodeableConcept	Code for the specific type of event Required Pattern: At least the following
coding		1..*	Coding	Code defined by a terminology system Fixed Value: (Complex)
system		1..1	uri	Identity of the terminology system Fixed Value: http://loinc.org
code		1..1	code	Symbol in syntax defined by the system Fixed Value: 38211-9
display		1..1	string	Representation defined by the system Fixed Value: Pain initiating event Narrative - Reported
value[x]		1..1	CodeableConcept	Code or string describing the specific event Binding: LOINC Answer List LL42549-6 (example)
component:alleviatingFactors	S	0..*	BackboneElement	Patient-reported actions, conditions, events, or other factors that decrease the symptoms or condition
Slices for extension				Content/Rules for all slices
extension:text	S	0..1	Annotation	Textual description of the event URL: http://hl7.org/fhir/StructureDefinition/note
extension:relatedMedication	S	0..*	Reference(MedicationStatement)	Surrounding Event Medication URL: http://hl7.org/fhir/uv/symptoms/StructureDefinition/SurroundingEventMedication
code		1..1	CodeableConcept	Code for the specific type of event Required Pattern: At least the following
coding		1..*	Coding	Code defined by a terminology system Fixed Value: (Complex)
system		1..1	uri	Identity of the terminology system Fixed Value: http://loinc.org
code		1..1	code	Symbol in syntax defined by the system Fixed Value: 38211-9
display		1..1	string	Representation defined by the system Fixed Value: Pain initiating event Narrative - Reported
value[x]		1..1	CodeableConcept	Code or string describing the specific event Binding: LOINC Answer List LL42549-6 (example)
component:otherEvents	S	0..*	BackboneElement	Patient-reported actions that were occuring at time of symptom onset
Slices for extension				Content/Rules for all slices
extension:text	S	0..1	Annotation	Textual description of the event URL: http://hl7.org/fhir/StructureDefinition/note
code		1..1	CodeableConcept	Code for the specific type of event Required Pattern: At least the following
coding		1..*	Coding	Code defined by a terminology system Fixed Value: (Complex)
system		1..1	uri	Identity of the terminology system Fixed Value: http://loinc.org
code		1..1	code	Symbol in syntax defined by the system Fixed Value: 38211-9
display		1..1	string	Representation defined by the system Fixed Value: Pain initiating event Narrative - Reported
value[x]		1..1	CodeableConcept	Code or string describing the specific event Binding: LOINC Answer List LL42549-6 (example)
Documentation for this format

Terminology Bindings (Differential)

Path	Conformance	ValueSet	URI
Observation.code	example	https://hl7.org/fhir/ValueSet/clinical-findings https://hl7.org/fhir/ValueSet/clinical-findings
Observation.value[x]	required	https://loinc.org/LL365-8 https://loinc.org/LL365-8
Observation.bodySite	example	LOINC LL5065-9 http://loinc.org/vs/LL5065-9
Observation.component:quality.value[x]	example	LOINC LL4459-5 http://loinc.org/vs/LL4459-5
Observation.component:severity.value[x]	example	LOINC LL1156-0 http://loinc.org/vs/LL1156-0
Observation.component:functionalImpact.code	example	FunctionalFinding http://hl7.org/fhir/uv/symptoms/ValueSet/FunctionalFinding From this IG
Observation.component:functionalImpact.value[x]	required	LOINC LL365-8 http://loinc.org/vs/LL365-8
Observation.component:clinicalCourse.value[x]	example	LOINC LL4997-4 http://loinc.org/vs/LL4997-4
Observation.component:trend.value[x]	example	LOINC LL4938-8 http://loinc.org/vs/LL4938-8
Observation.component:affectiveGrade.value[x]	example	AffectiveGrade http://hl7.org/fhir/uv/symptoms/ValueSet/AffectiveGrade From this IG
Observation.component:triggers.value[x]	example	LOINC LL42549-6 http://loinc.org/vs/LL42549-6
Observation.component:exacerbatingFactors.value[x]	example	LOINC LL42549-6 http://loinc.org/vs/LL42549-6
Observation.component:alleviatingFactors.value[x]	example	LOINC LL42549-6 http://loinc.org/vs/LL42549-6
Observation.component:otherEvents.value[x]	example	LOINC LL42549-6 http://loinc.org/vs/LL42549-6

Snapshot View

Name	Flags	Card.	Type	Description & Constraints    Filter: Bindings Constraints Obligations
Observation	C	0..*	Observation	Measurements and simple assertions Constraints: obs-6, obs-7, obs-8
id	Σ	0..1	id	Logical id of this artifact
meta	Σ	0..1	Meta	Metadata about the resource
implicitRules	?!Σ	0..1	uri	A set of rules under which this content was created
language		0..1	code	Language of the resource content Binding: AllLanguages (required): IETF language tag for a human language Additional Bindings Purpose CommonLanguages Starter
text		0..1	Narrative	Text summary of the resource, for human interpretation This profile does not constrain the narrative in regard to content, language, or traceability to data elements
contained		0..*	Resource	Contained, inline Resources
Slices for extension		0..*	Extension	Extension Slice: Unordered, Open by value:url
extension:associatedSymptom	S	0..*	(Complex)	Other symptoms associated with this symptom URL: http://hl7.org/fhir/StructureDefinition/workflow-supportingInfo
id		0..1	id	Unique id for inter-element referencing
extension		0..0
url		1..1	uri	"http://hl7.org/fhir/StructureDefinition/workflow-supportingInfo"
value[x]		1..1	Reference(Symptom Observation)	Value of extension
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored
identifier	Σ	0..*	Identifier	Business Identifier for observation
instantiates[x]	Σ	0..1	canonical(ObservationDefinition), Reference(ObservationDefinition)	Instantiates FHIR ObservationDefinition
basedOn	Σ	0..*	Reference(CarePlan | DeviceRequest | ImmunizationRecommendation | MedicationRequest | NutritionOrder | ServiceRequest)	Fulfills plan, proposal or order
triggeredBy		0..*	BackboneElement	Triggering observation(s)
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
observation	Σ	1..1	Reference(Observation)	Triggering observation
type	Σ	1..1	code	reflex | repeat | re-run Binding: TriggeredBytype (required): The type of TriggeredBy Observation.
reason		0..1	string	Reason that the observation was triggered
partOf	Σ	0..*	Reference(MedicationAdministration | MedicationDispense | MedicationStatement | Procedure | Immunization | ImagingStudy | GenomicStudy)	Part of referenced event
status	?!SΣ	1..1	code	registered | preliminary | final | amended + Binding: ObservationStatus (required): Codes providing the status of an observation.
category		0..*	CodeableConcept	Classification of type of observation Binding: ObservationCategoryCodes (preferred): Codes for high level observation categories.
code	SΣC	1..1	CodeableConcept	Coded description of symptom Binding: https://hl7.org/fhir/ValueSet/clinical-findings (example)
subject	SΣ	1..1	Reference(Patient)	The patient who is experiencing the symptom
focus	Σ	0..*	Reference(Resource)	What the observation is about, when it is not about the subject of record
encounter	Σ	0..1	Reference(Encounter)	Healthcare event during which this observation is made
effective[x]	SΣ	0..1		Clinically relevant time/time-period for observation
effectiveDateTime			dateTime
effectivePeriod			Period
effectiveTiming			Timing
effectiveInstant			instant
issued	SΣ	0..1	instant	Date/Time this version was made available
performer	SΣ	1..1	Reference(Patient | RelatedPerson)	The person who is reporting the symptom information
value[x]	SΣC	1..1	CodeableConcept	Indicates whether the patient has the symptom or not Binding: https://loinc.org/LL365-8 (required)
note	S	0..*	Annotation	Patient or caregiver description of symptom
bodySite	SC	0..1	CodeableConcept	Where the patient feels the symptom in the body Binding: LOINC Answer List LL5065-9 (example)
bodyStructure	C	0..1	Reference(BodyStructure)	Observed body structure
method		0..1	CodeableConcept	How it was done Binding: ObservationMethods (example): Methods for simple observations.
hasMember	Σ	0..*	Reference(Observation | QuestionnaireResponse | MolecularSequence)	Related resource that belongs to the Observation group
derivedFrom	Σ	0..*	Reference(DocumentReference | ImagingStudy | ImagingSelection | QuestionnaireResponse | Observation | MolecularSequence | GenomicStudy)	Related resource from which the observation is made
Slices for component	SΣC	0..*	BackboneElement	Various information about the symptom Slice: Unordered, Open by value:code
component:All Slices				Content/Rules for all slices
id		0..1	string	Unique id for inter-element referencing
Slices for extension		0..*	Extension	Extension Slice: Unordered, Open by value:url
extension:text	S	0..1	Annotation	Additional notes that apply to this resource or element. URL: http://hl7.org/fhir/StructureDefinition/note
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
code	SΣC	1..1	CodeableConcept	Type of component observation (code / type) Binding: LOINCCodes (example): Codes identifying names of simple observations.
value[x]	SΣ	1..1		Actual component result
valueQuantity			Quantity
valueCodeableConcept			CodeableConcept
valueString			string
valueBoolean			boolean
valueInteger			integer
valueRange			Range
valueRatio			Ratio
valueSampledData			SampledData
valueTime			time
valueDateTime			dateTime
valuePeriod			Period
valueAttachment			Attachment
valueReference			Reference(MolecularSequence)
component:quality	SΣC	0..1	BackboneElement	The patient's internal perception of the symptom
id		0..1	string	Unique id for inter-element referencing
Slices for extension		0..*	Extension	Extension Slice: Unordered, Open by value:url
extension:text	S	0..1	Annotation	Textual description of the symptom quality URL: http://hl7.org/fhir/StructureDefinition/note
extension:scaleCode	S	0..1	CodeableConcept	Assessment Scale Code URL: http://hl7.org/fhir/uv/symptoms/StructureDefinition/AssessmentScaleCode
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
code	SΣC	1..1	CodeableConcept	Type of component observation (code / type) Binding: LOINCCodes (example): Codes identifying names of simple observations. Required Pattern: At least the following
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
coding		1..*	Coding	Code defined by a terminology system Fixed Value: (Complex)
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
system		1..1	uri	Identity of the terminology system Fixed Value: http://loinc.org
version		0..1	string	Version of the system - if relevant
code		1..1	code	Symbol in syntax defined by the system Fixed Value: 32419-4
display		1..1	string	Representation defined by the system Fixed Value: Pain quality
userSelected		0..1	boolean	If this coding was chosen directly by the user
text		0..1	string	Plain text representation of the concept
value[x]	SΣ	1..1	CodeableConcept	Code that represents the symptom quality Binding: LOINC Answer List LL4459-5 (example)
component:severity	SΣC	0..1	BackboneElement	The intensity with which the patient experiences the symptom
id		0..1	string	Unique id for inter-element referencing
Slices for extension		0..*	Extension	Extension Slice: Unordered, Open by value:url
extension:text	S	0..1	Annotation	Textual description of the symptom severity URL: http://hl7.org/fhir/StructureDefinition/note
extension:scaleCode	S	0..1	CodeableConcept	Assessment Scale Code URL: http://hl7.org/fhir/uv/symptoms/StructureDefinition/AssessmentScaleCode
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
code	SΣC	1..1	CodeableConcept	Type of component observation (code / type) Binding: LOINCCodes (example): Codes identifying names of simple observations. Required Pattern: At least the following
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
coding		1..*	Coding	Code defined by a terminology system Fixed Value: (Complex)
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
system		1..1	uri	Identity of the terminology system Fixed Value: http://loinc.org
version		0..1	string	Version of the system - if relevant
code		1..1	code	Symbol in syntax defined by the system Fixed Value: 64750-3
display		1..1	string	Representation defined by the system Fixed Value: Severity of symptoms
userSelected		0..1	boolean	If this coding was chosen directly by the user
text		0..1	string	Plain text representation of the concept
value[x]	SΣ	1..1	CodeableConcept	Actual component result Binding: LOINC Answer List LL1156-0 (example)
component:functionalImpact	SΣC	0..*	BackboneElement	How the symptom affects the patient's daily activities
id		0..1	string	Unique id for inter-element referencing
Slices for extension		0..*	Extension	Extension Slice: Unordered, Open by value:url
extension:text	S	0..1	Annotation	Textual description of the impact URL: http://hl7.org/fhir/StructureDefinition/note
extension:scaleCode	S	0..1	CodeableConcept	Assessment Scale Code URL: http://hl7.org/fhir/uv/symptoms/StructureDefinition/AssessmentScaleCode
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
code	SΣC	1..1	CodeableConcept	Code for the specific scale or assessment if any used to determine the severity Binding: Functional Impact (example)
value[x]	SΣ	1..1	CodeableConcept	Code that represents the symptom severity Binding: LOINC Answer List LL365-8 (required)
component:clinicalCourse	SΣC	0..1	BackboneElement	Character of symptom onset
id		0..1	string	Unique id for inter-element referencing
Slices for extension		0..*	Extension	Extension Slice: Unordered, Open by value:url
extension:text	S	0..1	Annotation	Textual description of the clinical course of the symptom URL: http://hl7.org/fhir/StructureDefinition/note
extension:scaleCode	S	0..1	CodeableConcept	Assessment Scale Code URL: http://hl7.org/fhir/uv/symptoms/StructureDefinition/AssessmentScaleCode
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
code	SΣC	1..1	CodeableConcept	Type of component observation (code / type) Binding: LOINCCodes (example): Codes identifying names of simple observations. Required Pattern: At least the following
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
coding		1..*	Coding	Code defined by a terminology system Fixed Value: (Complex)
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
system		1..1	uri	Identity of the terminology system Fixed Value: http://loinc.org
version		0..1	string	Version of the system - if relevant
code		1..1	code	Symbol in syntax defined by the system Fixed Value: 89261-2
display		1..1	string	Representation defined by the system Fixed Value: Clinical course
userSelected		0..1	boolean	If this coding was chosen directly by the user
text		0..1	string	Plain text representation of the concept
value[x]	SΣ	1..1	CodeableConcept	Actual component result Binding: LOINC Answer List LL4997-4 (example)
component:trend	SΣC	0..1	BackboneElement	Intensity of symptom over time
id		0..1	string	Unique id for inter-element referencing
Slices for extension		0..*	Extension	Extension Slice: Unordered, Open by value:url
extension:text	S	0..1	Annotation	Textual description of the symptom trend URL: http://hl7.org/fhir/StructureDefinition/note
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
code	SΣC	1..1	CodeableConcept	Type of component observation (code / type) Binding: LOINCCodes (example): Codes identifying names of simple observations. Required Pattern: At least the following
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
coding		1..*	Coding	Code defined by a terminology system Fixed Value: (Complex)
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
system		1..1	uri	Identity of the terminology system Fixed Value: http://loinc.org
version		0..1	string	Version of the system - if relevant
code		1..1	code	Symbol in syntax defined by the system Fixed Value: 89253-9
display		1..1	string	Representation defined by the system Fixed Value: Trend
userSelected		0..1	boolean	If this coding was chosen directly by the user
text		0..1	string	Plain text representation of the concept
value[x]	SΣ	1..1	CodeableConcept	Actual component result Binding: LOINC Answer List LL4938-8 (example)
component:affectiveGrade	SΣC	0..1	BackboneElement	Emotional or mental impact of a symptom
id		0..1	string	Unique id for inter-element referencing
Slices for extension		0..*	Extension	Extension Slice: Unordered, Open by value:url
extension:text	S	0..1	Annotation	Textual description of the impact of the symptom URL: http://hl7.org/fhir/StructureDefinition/note
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
code	SΣC	1..1	CodeableConcept	Type of component observation (code / type) Binding: LOINCCodes (example): Codes identifying names of simple observations. Required Pattern: At least the following
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
coding		1..*	Coding	Code defined by a terminology system Fixed Value: (Complex)
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
system		1..1	uri	Identity of the terminology system Fixed Value: http://snomed.info/sct
version		0..1	string	Version of the system - if relevant
code		1..1	code	Symbol in syntax defined by the system Fixed Value: 279116004
display		1..1	string	Representation defined by the system Fixed Value: Affective response to pain
userSelected		0..1	boolean	If this coding was chosen directly by the user
text		0..1	string	Plain text representation of the concept
value[x]	SΣ	1..1	CodeableConcept	Code that represents the affective grade Binding: Affective Grade (example)
component:triggers	SΣC	0..*	BackboneElement	Actions or environments that initiate the symptom
id		0..1	string	Unique id for inter-element referencing
Slices for extension		0..*	Extension	Extension Slice: Unordered, Open by value:url
extension:text	S	0..1	Annotation	Textual description of the event URL: http://hl7.org/fhir/StructureDefinition/note
extension:relatedMedication	S	0..*	Reference(MedicationStatement)	Surrounding Event Medication URL: http://hl7.org/fhir/uv/symptoms/StructureDefinition/SurroundingEventMedication
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
code	SΣC	1..1	CodeableConcept	Code for the specific type of event Binding: LOINCCodes (example): Codes identifying names of simple observations. Required Pattern: At least the following
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
coding		1..*	Coding	Code defined by a terminology system Fixed Value: (Complex)
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
system		1..1	uri	Identity of the terminology system Fixed Value: http://loinc.org
version		0..1	string	Version of the system - if relevant
code		1..1	code	Symbol in syntax defined by the system Fixed Value: 38211-9
display		1..1	string	Representation defined by the system Fixed Value: Pain initiating event Narrative - Reported
userSelected		0..1	boolean	If this coding was chosen directly by the user
text		0..1	string	Plain text representation of the concept
value[x]	SΣ	1..1	CodeableConcept	Code or string describing the specific event Binding: LOINC Answer List LL42549-6 (example)
component:exacerbatingFactors	SΣC	0..*	BackboneElement	Patient reported actions, conditions, events, physical objects or other factors that increase or worsen symptoms
id		0..1	string	Unique id for inter-element referencing
Slices for extension		0..*	Extension	Extension Slice: Unordered, Open by value:url
extension:text	S	0..1	Annotation	Textual description of the event URL: http://hl7.org/fhir/StructureDefinition/note
extension:relatedMedication	S	0..*	Reference(MedicationStatement)	Surrounding Event Medication URL: http://hl7.org/fhir/uv/symptoms/StructureDefinition/SurroundingEventMedication
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
code	SΣC	1..1	CodeableConcept	Code for the specific type of event Binding: LOINCCodes (example): Codes identifying names of simple observations. Required Pattern: At least the following
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
coding		1..*	Coding	Code defined by a terminology system Fixed Value: (Complex)
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
system		1..1	uri	Identity of the terminology system Fixed Value: http://loinc.org
version		0..1	string	Version of the system - if relevant
code		1..1	code	Symbol in syntax defined by the system Fixed Value: 38211-9
display		1..1	string	Representation defined by the system Fixed Value: Pain initiating event Narrative - Reported
userSelected		0..1	boolean	If this coding was chosen directly by the user
text		0..1	string	Plain text representation of the concept
value[x]	SΣ	1..1	CodeableConcept	Code or string describing the specific event Binding: LOINC Answer List LL42549-6 (example)
component:alleviatingFactors	SΣC	0..*	BackboneElement	Patient-reported actions, conditions, events, or other factors that decrease the symptoms or condition
id		0..1	string	Unique id for inter-element referencing
Slices for extension		0..*	Extension	Extension Slice: Unordered, Open by value:url
extension:text	S	0..1	Annotation	Textual description of the event URL: http://hl7.org/fhir/StructureDefinition/note
extension:relatedMedication	S	0..*	Reference(MedicationStatement)	Surrounding Event Medication URL: http://hl7.org/fhir/uv/symptoms/StructureDefinition/SurroundingEventMedication
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
code	SΣC	1..1	CodeableConcept	Code for the specific type of event Binding: LOINCCodes (example): Codes identifying names of simple observations. Required Pattern: At least the following
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
coding		1..*	Coding	Code defined by a terminology system Fixed Value: (Complex)
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
system		1..1	uri	Identity of the terminology system Fixed Value: http://loinc.org
version		0..1	string	Version of the system - if relevant
code		1..1	code	Symbol in syntax defined by the system Fixed Value: 38211-9
display		1..1	string	Representation defined by the system Fixed Value: Pain initiating event Narrative - Reported
userSelected		0..1	boolean	If this coding was chosen directly by the user
text		0..1	string	Plain text representation of the concept
value[x]	SΣ	1..1	CodeableConcept	Code or string describing the specific event Binding: LOINC Answer List LL42549-6 (example)
component:otherEvents	SΣC	0..*	BackboneElement	Patient-reported actions that were occuring at time of symptom onset
id		0..1	string	Unique id for inter-element referencing
Slices for extension		0..*	Extension	Extension Slice: Unordered, Open by value:url
extension:text	S	0..1	Annotation	Textual description of the event URL: http://hl7.org/fhir/StructureDefinition/note
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
code	SΣC	1..1	CodeableConcept	Code for the specific type of event Binding: LOINCCodes (example): Codes identifying names of simple observations. Required Pattern: At least the following
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
coding		1..*	Coding	Code defined by a terminology system Fixed Value: (Complex)
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
system		1..1	uri	Identity of the terminology system Fixed Value: http://loinc.org
version		0..1	string	Version of the system - if relevant
code		1..1	code	Symbol in syntax defined by the system Fixed Value: 38211-9
display		1..1	string	Representation defined by the system Fixed Value: Pain initiating event Narrative - Reported
userSelected		0..1	boolean	If this coding was chosen directly by the user
text		0..1	string	Plain text representation of the concept
value[x]	SΣ	1..1	CodeableConcept	Code or string describing the specific event Binding: LOINC Answer List LL42549-6 (example)
Documentation for this format

Terminology Bindings

Path	Conformance	ValueSet / Code	URI
Observation.language	required	AllLanguages http://hl7.org/fhir/ValueSet/all-languages|5.0.0 From the FHIR Standard
Observation.triggeredBy.type	required	TriggeredBytype http://hl7.org/fhir/ValueSet/observation-triggeredbytype|5.0.0 From the FHIR Standard
Observation.status	required	ObservationStatus http://hl7.org/fhir/ValueSet/observation-status|5.0.0 From the FHIR Standard
Observation.category	preferred	ObservationCategoryCodes http://hl7.org/fhir/ValueSet/observation-category From the FHIR Standard
Observation.code	example	https://hl7.org/fhir/ValueSet/clinical-findings https://hl7.org/fhir/ValueSet/clinical-findings
Observation.value[x]	required	https://loinc.org/LL365-8 https://loinc.org/LL365-8
Observation.bodySite	example	LOINC LL5065-9 http://loinc.org/vs/LL5065-9
Observation.method	example	ObservationMethods http://hl7.org/fhir/ValueSet/observation-methods From the FHIR Standard
Observation.referenceRange.normalValue	extensible	ObservationReferenceRangeNormalValueCodes http://hl7.org/fhir/ValueSet/observation-referencerange-normalvalue From the FHIR Standard
Observation.referenceRange.type	preferred	ObservationReferenceRangeMeaningCodes http://hl7.org/fhir/ValueSet/referencerange-meaning From the FHIR Standard
Observation.referenceRange.appliesTo	example	ObservationReferenceRangeAppliesToCodes http://hl7.org/fhir/ValueSet/referencerange-appliesto From the FHIR Standard
Observation.component.code	example	LOINCCodes(a valid code from LOINC) http://hl7.org/fhir/ValueSet/observation-codes From the FHIR Standard
Observation.component:quality.code	example	Pattern Value: LOINC Code 32419-4("Pain quality") http://hl7.org/fhir/ValueSet/observation-codes From the FHIR Standard
Observation.component:quality.value[x]	example	LOINC LL4459-5 http://loinc.org/vs/LL4459-5
Observation.component:severity.code	example	Pattern Value: LOINC Code 64750-3("Severity of symptoms") http://hl7.org/fhir/ValueSet/observation-codes From the FHIR Standard
Observation.component:severity.value[x]	example	LOINC LL1156-0 http://loinc.org/vs/LL1156-0
Observation.component:functionalImpact.code	example	FunctionalFinding http://hl7.org/fhir/uv/symptoms/ValueSet/FunctionalFinding From this IG
Observation.component:functionalImpact.value[x]	required	LOINC LL365-8 http://loinc.org/vs/LL365-8
Observation.component:clinicalCourse.code	example	Pattern Value: LOINC Code 89261-2("Clinical course") http://hl7.org/fhir/ValueSet/observation-codes From the FHIR Standard
Observation.component:clinicalCourse.value[x]	example	LOINC LL4997-4 http://loinc.org/vs/LL4997-4
Observation.component:trend.code	example	Pattern Value: LOINC Code 89253-9("Trend") http://hl7.org/fhir/ValueSet/observation-codes From the FHIR Standard
Observation.component:trend.value[x]	example	LOINC LL4938-8 http://loinc.org/vs/LL4938-8
Observation.component:affectiveGrade.code	example	Pattern Value: SNOMED-CT Code 279116004("Affective response to pain") http://hl7.org/fhir/ValueSet/observation-codes From the FHIR Standard
Observation.component:affectiveGrade.value[x]	example	AffectiveGrade http://hl7.org/fhir/uv/symptoms/ValueSet/AffectiveGrade From this IG
Observation.component:triggers.code	example	Pattern Value: LOINC Code 38211-9("Pain initiating event Narrative - Reported") http://hl7.org/fhir/ValueSet/observation-codes From the FHIR Standard
Observation.component:triggers.value[x]	example	LOINC LL42549-6 http://loinc.org/vs/LL42549-6
Observation.component:exacerbatingFactors.code	example	Pattern Value: LOINC Code 38211-9("Pain initiating event Narrative - Reported") http://hl7.org/fhir/ValueSet/observation-codes From the FHIR Standard
Observation.component:exacerbatingFactors.value[x]	example	LOINC LL42549-6 http://loinc.org/vs/LL42549-6
Observation.component:alleviatingFactors.code	example	Pattern Value: LOINC Code 38211-9("Pain initiating event Narrative - Reported") http://hl7.org/fhir/ValueSet/observation-codes From the FHIR Standard
Observation.component:alleviatingFactors.value[x]	example	LOINC LL42549-6 http://loinc.org/vs/LL42549-6
Observation.component:otherEvents.code	example	Pattern Value: LOINC Code 38211-9("Pain initiating event Narrative - Reported") http://hl7.org/fhir/ValueSet/observation-codes From the FHIR Standard
Observation.component:otherEvents.value[x]	example	LOINC LL42549-6 http://loinc.org/vs/LL42549-6

Constraints

Id	Grade	Path(s)	Details	Requirements
dom-2	error	Observation	If the resource is contained in another resource, it SHALL NOT contain nested Resources : contained.contained.empty()
dom-3	error	Observation	If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource : contained.where((('#'+id in (%resource.descendants().reference | %resource.descendants().ofType(canonical) | %resource.descendants().ofType(uri) | %resource.descendants().ofType(url))) or descendants().where(reference = '#').exists() or descendants().where(ofType(canonical) = '#').exists() or descendants().where(ofType(canonical) = '#').exists()).not()).trace('unmatched', id).empty()
dom-4	error	Observation	If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated : contained.meta.versionId.empty() and contained.meta.lastUpdated.empty()
dom-5	error	Observation	If a resource is contained in another resource, it SHALL NOT have a security label : contained.meta.security.empty()
dom-6	best practice	Observation	A resource should have narrative for robust management : text.`div`.exists()
ele-1	error	**ALL** elements	All FHIR elements must have a @value or children : hasValue() or (children().count() > id.count())
ext-1	error	**ALL** extensions	Must have either extensions or value[x], not both : extension.exists() != value.exists()
obs-6	error	Observation	dataAbsentReason SHALL only be present if Observation.value[x] is not present : dataAbsentReason.empty() or value.empty()
obs-7	error	Observation	If Observation.component.code is the same as Observation.code, then Observation.value SHALL NOT be present (the Observation.component.value[x] holds the value). : value.empty() or component.code.where(coding.intersect(%resource.code.coding).exists()).empty()
obs-8	error	Observation	bodyStructure SHALL only be present if Observation.bodySite is not present : bodySite.exists() implies bodyStructure.empty()

This structure is derived from Observation

Summary

Mandatory: 3 elements(1 nested mandatory element)
Must-Support: 41 elements
Prohibited: 8 elements

Structures

This structure refers to these other structures:

• Symptom Observation (http://hl7.org/fhir/uv/symptoms/StructureDefinition/SymptomObservation)

Extensions

This structure refers to these extensions:

• http://hl7.org/fhir/StructureDefinition/workflow-supportingInfo
• http://hl7.org/fhir/StructureDefinition/note
• http://hl7.org/fhir/uv/symptoms/StructureDefinition/AssessmentScaleCode
• http://hl7.org/fhir/uv/symptoms/StructureDefinition/SurroundingEventMedication

Slices

This structure defines the following Slices:

• The element 1 is sliced based on the value of Observation.component

Maturity: 1