FHIR R4 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

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Resource Profile: Symptom Absent Observation

Used to record the absence of a Symptom as reported by a patient or their caregiver.

Usages:

• This Profile is not used by any profiles in this Implementation Guide

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
implicitRules	?!Σ	0..1	uri	A set of rules under which this content was created
Slices for extension		0..*	Extension	Extension Slice: Unordered, Open by value:url
extension:associatedSymptom		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
extension:associatedCondition		0..*	(Complex)	Conditions with some relationship to 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(Condition)	Value of extension
modifierExtension	?!	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	SΣ	1..1	CodeableConcept	Type of 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://hl7.org/fhir/uv/symptoms/CodeSystem/SymptomTemporary
version		0..1	string	Version of the system - if relevant
code		1..1	code	Symbol in syntax defined by the system Fixed Value: symptomAbsent
display		1..1	string	Representation defined by the system Fixed Value: Symptom Absent
userSelected		0..1	boolean	If this coding was chosen directly by the user
text		0..1	string	Plain text representation of the concept
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
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	Coded description of symptom Binding: Common Set of Symptom Codes (preferred) Additional Bindings Purpose SNOMEDCTClinicalFindings Max Binding
note		0..*	Annotation	Patient or caregiver description of symptom
bodySite	S	0..1	CodeableConcept	Where the patient feels the symptom in the body Binding: SNOMEDCTBodyStructures (preferred)
Documentation for this format

Terminology Bindings

Path	Conformance	ValueSet / Code	URI
Observation.status	required	ObservationStatus http://hl7.org/fhir/ValueSet/observation-status|4.0.1 From the FHIR Standard
Observation.code	example	Pattern Value: symptomAbsent("Symptom Absent") http://hl7.org/fhir/ValueSet/observation-codes|4.0.1 From the FHIR Standard
Observation.value[x]	preferred	CommonSymptomCodes http://hl7.org/fhir/uv/symptoms/ValueSet/CommonSymptomCodes From this IG Additional Bindings Purpose SNOMEDCTClinicalFindings Max Binding
Observation.bodySite	preferred	SNOMEDCTBodyStructures http://hl7.org/fhir/ValueSet/body-site From the FHIR Standard

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().as(canonical) | %resource.descendants().as(uri) | %resource.descendants().as(url))) or descendants().where(reference = '#').exists() or descendants().where(as(canonical) = '#').exists() or descendants().where(as(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.code is the same as an Observation.component.code then the value element associated with the code SHALL NOT be present : value.empty() or component.code.where(coding.intersect(%resource.code.coding).exists()).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		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
extension:associatedCondition		0..*	(Complex)	Conditions with some relationship to this symptom URL: http://hl7.org/fhir/StructureDefinition/workflow-supportingInfo
value[x]		1..1	Reference(Condition)	Value of extension
status	S	1..1	code	registered | preliminary | final | amended +
code	S	1..1	CodeableConcept	Type of 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://hl7.org/fhir/uv/symptoms/CodeSystem/SymptomTemporary
code		1..1	code	Symbol in syntax defined by the system Fixed Value: symptomAbsent
display		1..1	string	Representation defined by the system Fixed Value: Symptom Absent
subject	S	1..1	Reference(Patient)	The patient who is experiencing the symptom
effective[x]	S	0..1		Clinically relevant time/time-period for observation
effectiveDateTime			dateTime
effectivePeriod			Period
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	Coded description of symptom Binding: Common Set of Symptom Codes (preferred) Additional Bindings Purpose SNOMEDCTClinicalFindings Max Binding
dataAbsentReason		0..0
interpretation		0..0
note		0..*	Annotation	Patient or caregiver description of symptom
bodySite	S	0..1	CodeableConcept	Where the patient feels the symptom in the body Binding: SNOMEDCTBodyStructures (preferred)
specimen		0..0
device		0..0
referenceRange		0..0
Documentation for this format

Terminology Bindings (Differential)

Path	Conformance	ValueSet	URI
Observation.value[x]	preferred	CommonSymptomCodes http://hl7.org/fhir/uv/symptoms/ValueSet/CommonSymptomCodes From this IG Additional Bindings Purpose SNOMEDCTClinicalFindings Max Binding
Observation.bodySite	preferred	SNOMEDCTBodyStructures http://hl7.org/fhir/ValueSet/body-site From the FHIR Standard

Name	Flags	Card.	Type	Description & Constraints    Filter: Bindings Constraints Obligations
Observation	C	0..*	Observation	Measurements and simple assertions Constraints: obs-6, obs-7
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: CommonLanguages (preferred): A human language. Additional Bindings Purpose AllLanguages Max Binding
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		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
extension:associatedCondition		0..*	(Complex)	Conditions with some relationship to 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(Condition)	Value of extension
modifierExtension	?!	0..*	Extension	Extensions that cannot be ignored
identifier	Σ	0..*	Identifier	Business Identifier for observation
basedOn	Σ	0..*	Reference(CarePlan | DeviceRequest | ImmunizationRecommendation | MedicationRequest | NutritionOrder | ServiceRequest)	Fulfills plan, proposal or order
partOf	Σ	0..*	Reference(MedicationAdministration | MedicationDispense | MedicationStatement | Procedure | Immunization | ImagingStudy)	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	SΣ	1..1	CodeableConcept	Type of 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://hl7.org/fhir/uv/symptoms/CodeSystem/SymptomTemporary
version		0..1	string	Version of the system - if relevant
code		1..1	code	Symbol in syntax defined by the system Fixed Value: symptomAbsent
display		1..1	string	Representation defined by the system Fixed Value: Symptom Absent
userSelected		0..1	boolean	If this coding was chosen directly by the user
text		0..1	string	Plain text representation of the concept
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
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	Coded description of symptom Binding: Common Set of Symptom Codes (preferred) Additional Bindings Purpose SNOMEDCTClinicalFindings Max Binding
note		0..*	Annotation	Patient or caregiver description of symptom
bodySite	S	0..1	CodeableConcept	Where the patient feels the symptom in the body Binding: SNOMEDCTBodyStructures (preferred)
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 | Media | QuestionnaireResponse | Observation | MolecularSequence)	Related measurements the observation is made from
component	Σ	0..*	BackboneElement	Component results
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
code	Σ	1..1	CodeableConcept	Type of component observation (code / type) Binding: LOINCCodes (example): Codes identifying names of simple observations.
value[x]	Σ	0..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
dataAbsentReason	C	0..1	CodeableConcept	Why the component result is missing Binding: DataAbsentReason (extensible): Codes specifying why the result (Observation.value[x]) is missing.
interpretation		0..*	CodeableConcept	High, low, normal, etc. Binding: ObservationInterpretationCodes (extensible): Codes identifying interpretations of observations.
referenceRange		0..*	See referenceRange (Observation)	Provides guide for interpretation of component result
Documentation for this format

Terminology Bindings

Path	Conformance	ValueSet / Code	URI
Observation.language	preferred	CommonLanguages http://hl7.org/fhir/ValueSet/languages|4.0.1 From the FHIR Standard Additional Bindings Purpose AllLanguages Max Binding
Observation.status	required	ObservationStatus http://hl7.org/fhir/ValueSet/observation-status|4.0.1 From the FHIR Standard
Observation.category	preferred	ObservationCategoryCodes http://hl7.org/fhir/ValueSet/observation-category|4.0.1 From the FHIR Standard
Observation.code	example	Pattern Value: symptomAbsent("Symptom Absent") http://hl7.org/fhir/ValueSet/observation-codes|4.0.1 From the FHIR Standard
Observation.value[x]	preferred	CommonSymptomCodes http://hl7.org/fhir/uv/symptoms/ValueSet/CommonSymptomCodes From this IG Additional Bindings Purpose SNOMEDCTClinicalFindings Max Binding
Observation.bodySite	preferred	SNOMEDCTBodyStructures http://hl7.org/fhir/ValueSet/body-site From the FHIR Standard
Observation.method	example	ObservationMethods http://hl7.org/fhir/ValueSet/observation-methods|4.0.1 From the FHIR Standard
Observation.referenceRange.type	preferred	ObservationReferenceRangeMeaningCodes http://hl7.org/fhir/ValueSet/referencerange-meaning|4.0.1 From the FHIR Standard
Observation.referenceRange.appliesTo	example	ObservationReferenceRangeAppliesToCodes http://hl7.org/fhir/ValueSet/referencerange-appliesto|4.0.1 From the FHIR Standard
Observation.component.code	example	LOINCCodes(a valid code from LOINC) http://hl7.org/fhir/ValueSet/observation-codes|4.0.1 From the FHIR Standard
Observation.component.dataAbsentReason	extensible	DataAbsentReason http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1 From the FHIR Standard
Observation.component.interpretation	extensible	ObservationInterpretationCodes http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1 From the FHIR Standard

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().as(canonical) | %resource.descendants().as(uri) | %resource.descendants().as(url))) or descendants().where(reference = '#').exists() or descendants().where(as(canonical) = '#').exists() or descendants().where(as(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.code is the same as an Observation.component.code then the value element associated with the code SHALL NOT be present : value.empty() or component.code.where(coding.intersect(%resource.code.coding).exists()).empty()

This structure is derived from Observation

Summary

Mandatory: 3 elements
Must-Support: 8 elements
Prohibited: 5 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|5.2.0

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
implicitRules	?!Σ	0..1	uri	A set of rules under which this content was created
Slices for extension		0..*	Extension	Extension Slice: Unordered, Open by value:url
extension:associatedSymptom		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
extension:associatedCondition		0..*	(Complex)	Conditions with some relationship to 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(Condition)	Value of extension
modifierExtension	?!	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	SΣ	1..1	CodeableConcept	Type of 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://hl7.org/fhir/uv/symptoms/CodeSystem/SymptomTemporary
version		0..1	string	Version of the system - if relevant
code		1..1	code	Symbol in syntax defined by the system Fixed Value: symptomAbsent
display		1..1	string	Representation defined by the system Fixed Value: Symptom Absent
userSelected		0..1	boolean	If this coding was chosen directly by the user
text		0..1	string	Plain text representation of the concept
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
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	Coded description of symptom Binding: Common Set of Symptom Codes (preferred) Additional Bindings Purpose SNOMEDCTClinicalFindings Max Binding
note		0..*	Annotation	Patient or caregiver description of symptom
bodySite	S	0..1	CodeableConcept	Where the patient feels the symptom in the body Binding: SNOMEDCTBodyStructures (preferred)
Documentation for this format

Terminology Bindings

Path	Conformance	ValueSet / Code	URI
Observation.status	required	ObservationStatus http://hl7.org/fhir/ValueSet/observation-status|4.0.1 From the FHIR Standard
Observation.code	example	Pattern Value: symptomAbsent("Symptom Absent") http://hl7.org/fhir/ValueSet/observation-codes|4.0.1 From the FHIR Standard
Observation.value[x]	preferred	CommonSymptomCodes http://hl7.org/fhir/uv/symptoms/ValueSet/CommonSymptomCodes From this IG Additional Bindings Purpose SNOMEDCTClinicalFindings Max Binding
Observation.bodySite	preferred	SNOMEDCTBodyStructures http://hl7.org/fhir/ValueSet/body-site From the FHIR Standard

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().as(canonical) | %resource.descendants().as(uri) | %resource.descendants().as(url))) or descendants().where(reference = '#').exists() or descendants().where(as(canonical) = '#').exists() or descendants().where(as(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.code is the same as an Observation.component.code then the value element associated with the code SHALL NOT be present : value.empty() or component.code.where(coding.intersect(%resource.code.coding).exists()).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		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
extension:associatedCondition		0..*	(Complex)	Conditions with some relationship to this symptom URL: http://hl7.org/fhir/StructureDefinition/workflow-supportingInfo
value[x]		1..1	Reference(Condition)	Value of extension
status	S	1..1	code	registered | preliminary | final | amended +
code	S	1..1	CodeableConcept	Type of 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://hl7.org/fhir/uv/symptoms/CodeSystem/SymptomTemporary
code		1..1	code	Symbol in syntax defined by the system Fixed Value: symptomAbsent
display		1..1	string	Representation defined by the system Fixed Value: Symptom Absent
subject	S	1..1	Reference(Patient)	The patient who is experiencing the symptom
effective[x]	S	0..1		Clinically relevant time/time-period for observation
effectiveDateTime			dateTime
effectivePeriod			Period
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	Coded description of symptom Binding: Common Set of Symptom Codes (preferred) Additional Bindings Purpose SNOMEDCTClinicalFindings Max Binding
dataAbsentReason		0..0
interpretation		0..0
note		0..*	Annotation	Patient or caregiver description of symptom
bodySite	S	0..1	CodeableConcept	Where the patient feels the symptom in the body Binding: SNOMEDCTBodyStructures (preferred)
specimen		0..0
device		0..0
referenceRange		0..0
Documentation for this format

Terminology Bindings (Differential)

Path	Conformance	ValueSet	URI
Observation.value[x]	preferred	CommonSymptomCodes http://hl7.org/fhir/uv/symptoms/ValueSet/CommonSymptomCodes From this IG Additional Bindings Purpose SNOMEDCTClinicalFindings Max Binding
Observation.bodySite	preferred	SNOMEDCTBodyStructures http://hl7.org/fhir/ValueSet/body-site From the FHIR Standard

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
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: CommonLanguages (preferred): A human language. Additional Bindings Purpose AllLanguages Max Binding
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		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
extension:associatedCondition		0..*	(Complex)	Conditions with some relationship to 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(Condition)	Value of extension
modifierExtension	?!	0..*	Extension	Extensions that cannot be ignored
identifier	Σ	0..*	Identifier	Business Identifier for observation
basedOn	Σ	0..*	Reference(CarePlan | DeviceRequest | ImmunizationRecommendation | MedicationRequest | NutritionOrder | ServiceRequest)	Fulfills plan, proposal or order
partOf	Σ	0..*	Reference(MedicationAdministration | MedicationDispense | MedicationStatement | Procedure | Immunization | ImagingStudy)	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	SΣ	1..1	CodeableConcept	Type of 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://hl7.org/fhir/uv/symptoms/CodeSystem/SymptomTemporary
version		0..1	string	Version of the system - if relevant
code		1..1	code	Symbol in syntax defined by the system Fixed Value: symptomAbsent
display		1..1	string	Representation defined by the system Fixed Value: Symptom Absent
userSelected		0..1	boolean	If this coding was chosen directly by the user
text		0..1	string	Plain text representation of the concept
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
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	Coded description of symptom Binding: Common Set of Symptom Codes (preferred) Additional Bindings Purpose SNOMEDCTClinicalFindings Max Binding
note		0..*	Annotation	Patient or caregiver description of symptom
bodySite	S	0..1	CodeableConcept	Where the patient feels the symptom in the body Binding: SNOMEDCTBodyStructures (preferred)
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 | Media | QuestionnaireResponse | Observation | MolecularSequence)	Related measurements the observation is made from
component	Σ	0..*	BackboneElement	Component results
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
code	Σ	1..1	CodeableConcept	Type of component observation (code / type) Binding: LOINCCodes (example): Codes identifying names of simple observations.
value[x]	Σ	0..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
dataAbsentReason	C	0..1	CodeableConcept	Why the component result is missing Binding: DataAbsentReason (extensible): Codes specifying why the result (Observation.value[x]) is missing.
interpretation		0..*	CodeableConcept	High, low, normal, etc. Binding: ObservationInterpretationCodes (extensible): Codes identifying interpretations of observations.
referenceRange		0..*	See referenceRange (Observation)	Provides guide for interpretation of component result
Documentation for this format

Terminology Bindings

Path	Conformance	ValueSet / Code	URI
Observation.language	preferred	CommonLanguages http://hl7.org/fhir/ValueSet/languages|4.0.1 From the FHIR Standard Additional Bindings Purpose AllLanguages Max Binding
Observation.status	required	ObservationStatus http://hl7.org/fhir/ValueSet/observation-status|4.0.1 From the FHIR Standard
Observation.category	preferred	ObservationCategoryCodes http://hl7.org/fhir/ValueSet/observation-category|4.0.1 From the FHIR Standard
Observation.code	example	Pattern Value: symptomAbsent("Symptom Absent") http://hl7.org/fhir/ValueSet/observation-codes|4.0.1 From the FHIR Standard
Observation.value[x]	preferred	CommonSymptomCodes http://hl7.org/fhir/uv/symptoms/ValueSet/CommonSymptomCodes From this IG Additional Bindings Purpose SNOMEDCTClinicalFindings Max Binding
Observation.bodySite	preferred	SNOMEDCTBodyStructures http://hl7.org/fhir/ValueSet/body-site From the FHIR Standard
Observation.method	example	ObservationMethods http://hl7.org/fhir/ValueSet/observation-methods|4.0.1 From the FHIR Standard
Observation.referenceRange.type	preferred	ObservationReferenceRangeMeaningCodes http://hl7.org/fhir/ValueSet/referencerange-meaning|4.0.1 From the FHIR Standard
Observation.referenceRange.appliesTo	example	ObservationReferenceRangeAppliesToCodes http://hl7.org/fhir/ValueSet/referencerange-appliesto|4.0.1 From the FHIR Standard
Observation.component.code	example	LOINCCodes(a valid code from LOINC) http://hl7.org/fhir/ValueSet/observation-codes|4.0.1 From the FHIR Standard
Observation.component.dataAbsentReason	extensible	DataAbsentReason http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1 From the FHIR Standard
Observation.component.interpretation	extensible	ObservationInterpretationCodes http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1 From the FHIR Standard

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().as(canonical) | %resource.descendants().as(uri) | %resource.descendants().as(url))) or descendants().where(reference = '#').exists() or descendants().where(as(canonical) = '#').exists() or descendants().where(as(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.code is the same as an Observation.component.code then the value element associated with the code SHALL NOT be present : value.empty() or component.code.where(coding.intersect(%resource.code.coding).exists()).empty()

This structure is derived from Observation

Summary

Mandatory: 3 elements
Must-Support: 8 elements
Prohibited: 5 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|5.2.0

Maturity: 1

Other representations of profile: CSV, Excel, Schematron