Virtually Healthcare HL7 FHIR R4 Implementation Guide, published by Virtually Healthcare. This guide is not an authorized publication; it is the continuous build for version 0.1.0-current built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/Virtually-Healthcare/HL7-FHIR-Implementation-Guide/ and changes regularly. See the Directory of published versions

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• Detailed Descriptions
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Resource Profile: Observation

Extension of UKCore-Observation and includes elements from HL7 International Patient Access

Usage:

• Examples for this Resource Profile: Observation/3114, Observation/3201, Observation/3211, Observation/367... Show 4 more, Observation/38431685-28e9-4cd0-854a-3ae0cb133264, Observation/4e197ae7-980e-4a76-979e-b94f952f1a65, Observation/9e77f499-1081-4ec5-ad71-4eeb71bd25ba and Observation/cb41876b-ce8e-40c2-b6c1-1351d3e4e04a

Formal Views of Profile Content

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

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

This structure is derived from UKCoreObservation

Name	Flags	Card.	Type	Description & Constraints
Observation		0..*	UKCoreObservation	Measurements and simple assertions
contained		0..0
identifier	S	1..*	CommonResourceIdentifiers	An identifier intended for computation
code		1..1	CodeableConcept	The type of observation (code / type). Binding: VH Observation Type (extensible)
subject
reference	S	1..1	string	Literal reference, Relative, internal or absolute URL
identifier		0..1	NHSNumbers	An identifier intended for computation
effective[x]		1..1	dateTime	A clinically relevant time / time-period for observation.
performer		1..*	Reference(Practitioner | Patient)	Who is responsible for the observation.
identifier		0..1	ProfessionalLicense, NHSNumbers, StaffEnterpriseNumber	An identifier intended for computation
component
code		1..1	CodeableConcept	Type of component observation (code / type) Binding: VH Observation Type (extensible)
Documentation for this format

Terminology Bindings (Differential)

Path	Conformance	ValueSet	URI
Observation.code	extensible	VHObservationType https://fhir.virtually.healthcare/ValueSet/VHObservationType from this IG
Observation.component.code	extensible	VHObservationType https://fhir.virtually.healthcare/ValueSet/VHObservationType from this IG

Name	Flags	Card.	Type	Description & Constraints
Observation	C	0..*	UKCoreObservation	Measurements and simple assertions obs-7: If Observation.code is the same as an Observation.component.code then the value element associated with the code SHALL NOT be present obs-6: dataAbsentReason SHALL only be present if Observation.value[x] is not present
implicitRules	?!Σ	0..1	uri	A set of rules under which this content was created
Slices for extension				Content/Rules for all slices
triggeredByR5	N	0..*	(Complex)	Triggering observation(s). This is a R5 backport. URL: http://hl7.org/fhir/5.0/StructureDefinition/extension-Observation.triggeredBy
Slices for extension	N	2..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
extension:observation	N	1..1	Extension	Triggering observation
url		1..1	uri	"observation"
value[x]	N	1..1	Reference(Observation)	Triggering observation.
extension:type	N	1..1	Extension	​reflex | repeat | re-run Binding: observation-triggeredbytype (required)
url		1..1	uri	"type"
value[x]	N	1..1	code	The type of trigger. Reflex | Repeat | Re-run
extension:reason	N	0..1	Extension	Reason that the observation was triggered
url		1..1	uri	"reason"
value[x]	N	1..1	string	Reason that the observation was triggered.
url		1..1	uri	"http://hl7.org/fhir/5.0/StructureDefinition/extension-Observation.triggeredBy"
bodyStructureR5	N	0..1	Reference(BodyStructure)	Observed body structure. This is a R5 backport. URL: http://hl7.org/fhir/5.0/StructureDefinition/extension-Observation.bodyStructure
modifierExtension	?!N	0..*	Extension	Extensions that cannot be ignored Slice: Unordered, Open by value:url
identifier	S	1..*	CommonResourceIdentifiers	An identifier intended for computation
status	?!SΣ	1..1	code	The status of the result value. Binding: ObservationStatus (required): Codes providing the status of an observation.
category	S	0..*	CodeableConcept	A code that classifies the general type of observation being made. Binding: ObservationCategoryCodes (preferred): Codes for high level observation categories.
code	SΣ	1..1	CodeableConcept	The type of observation (code / type). Binding: VH Observation Type (extensible)
subject	SΣC	0..1	Reference(Patient | Group | Device | Location)	Who and / or what the observation is about. ref-1: SHALL have a contained resource if a local reference is provided
reference	SΣC	1..1	string	Literal reference, Relative, internal or absolute URL
identifier		0..1	NHSNumbers	An identifier intended for computation
effective[x]	SΣ	1..1	dateTime	A clinically relevant time / time-period for observation.
performer	SΣC	1..*	Reference(Practitioner | Patient)	Who is responsible for the observation. ref-1: SHALL have a contained resource if a local reference is provided
identifier		0..1	ProfessionalLicense, NHSNumbers, StaffEnterpriseNumber	An identifier intended for computation
value[x]	SΣC	0..1		The actual observed 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 result is missing Binding: DataAbsentReason (extensible): Codes specifying why the result (Observation.value[x]) is missing.
component	SΣ	0..*	BackboneElement	Component / sub results.
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
code	Σ	1..1	CodeableConcept	Type of component observation (code / type) Binding: VH Observation Type (extensible)
dataAbsentReason	C	0..1	CodeableConcept	Why the component result is missing Binding: DataAbsentReason (extensible): Codes specifying why the result (Observation.value[x]) is missing.
Documentation for this format

Terminology Bindings

Path	Conformance	ValueSet	URI
Observation.extension:triggeredByR5.extension:type []	required	http://hl7.org/fhir/ValueSet/observation-triggeredbytype http://hl7.org/fhir/ValueSet/observation-triggeredbytype
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 from the FHIR Standard
Observation.code	extensible	VHObservationType https://fhir.virtually.healthcare/ValueSet/VHObservationType from this IG
Observation.dataAbsentReason	extensible	DataAbsentReason http://hl7.org/fhir/ValueSet/data-absent-reason from the FHIR Standard
Observation.component.code	extensible	VHObservationType https://fhir.virtually.healthcare/ValueSet/VHObservationType from this IG
Observation.component.dataAbsentReason	extensible	DataAbsentReason http://hl7.org/fhir/ValueSet/data-absent-reason from the FHIR Standard

Name	Flags	Card.	Type	Description & Constraints
Observation	C	0..*	UKCoreObservation	Measurements and simple assertions obs-7: If Observation.code is the same as an Observation.component.code then the value element associated with the code SHALL NOT be present obs-6: dataAbsentReason SHALL only be present if Observation.value[x] is not present
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
Slices for extension	N	0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
triggeredByR5	N	0..*	(Complex)	Triggering observation(s). This is a R5 backport. URL: http://hl7.org/fhir/5.0/StructureDefinition/extension-Observation.triggeredBy
id		0..1	string	Unique id for inter-element referencing
Slices for extension	N	2..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
extension:observation	N	1..1	Extension	Triggering observation
id		0..1	string	Unique id for inter-element referencing
extension	N	0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
url		1..1	uri	"observation"
value[x]	N	1..1	Reference(Observation)	Triggering observation.
extension:type	N	1..1	Extension	​reflex | repeat | re-run Binding: observation-triggeredbytype (required)
id		0..1	string	Unique id for inter-element referencing
extension	N	0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
url		1..1	uri	"type"
value[x]	N	1..1	code	The type of trigger. Reflex | Repeat | Re-run
extension:reason	N	0..1	Extension	Reason that the observation was triggered
id		0..1	string	Unique id for inter-element referencing
extension	N	0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
url		1..1	uri	"reason"
value[x]	N	1..1	string	Reason that the observation was triggered.
url		1..1	uri	"http://hl7.org/fhir/5.0/StructureDefinition/extension-Observation.triggeredBy"
bodyStructureR5	N	0..1	Reference(BodyStructure)	Observed body structure. This is a R5 backport. URL: http://hl7.org/fhir/5.0/StructureDefinition/extension-Observation.bodyStructure
modifierExtension	?!N	0..*	Extension	Extensions that cannot be ignored Slice: Unordered, Open by value:url
identifier	S	1..*	CommonResourceIdentifiers	An identifier intended for computation
basedOn	ΣC	0..*	Reference(CarePlan | DeviceRequest | ImmunizationRecommendation | MedicationRequest | NutritionOrder | ServiceRequest)	Fulfills plan, proposal or order ref-1: SHALL have a contained resource if a local reference is provided
partOf	ΣC	0..*	Reference(MedicationAdministration | MedicationDispense | MedicationStatement | Procedure | Immunization | ImagingStudy)	Part of referenced event ref-1: SHALL have a contained resource if a local reference is provided
status	?!SΣ	1..1	code	The status of the result value. Binding: ObservationStatus (required): Codes providing the status of an observation.
category	S	0..*	CodeableConcept	A code that classifies the general type of observation being made. Binding: ObservationCategoryCodes (preferred): Codes for high level observation categories.
code	SΣ	1..1	CodeableConcept	The type of observation (code / type). Binding: VH Observation Type (extensible)
subject	SΣC	0..1	Reference(Patient | Group | Device | Location)	Who and / or what the observation is about. ref-1: SHALL have a contained resource if a local reference is provided
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
reference	SΣC	1..1	string	Literal reference, Relative, internal or absolute URL
type	Σ	0..1	uri	Type the reference refers to (e.g. "Patient") Binding: ResourceType (extensible): Aa resource (or, for logical models, the URI of the logical model).
identifier		0..1	NHSNumbers	An identifier intended for computation
display	Σ	0..1	string	Text alternative for the resource
focus	ΣC	0..*	Reference(Resource)	What the observation is about, when it is not about the subject of record ref-1: SHALL have a contained resource if a local reference is provided
encounter	ΣC	0..1	Reference(Encounter)	Healthcare event during which this observation is made ref-1: SHALL have a contained resource if a local reference is provided
effective[x]	SΣ	1..1	dateTime	A clinically relevant time / time-period for observation.
issued	Σ	0..1	instant	Date/Time this version was made available
performer	SΣC	1..*	Reference(Practitioner | Patient)	Who is responsible for the observation. ref-1: SHALL have a contained resource if a local reference is provided
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
reference	ΣC	0..1	string	Literal reference, Relative, internal or absolute URL
type	Σ	0..1	uri	Type the reference refers to (e.g. "Patient") Binding: ResourceType (extensible): Aa resource (or, for logical models, the URI of the logical model).
identifier		0..1	ProfessionalLicense, NHSNumbers, StaffEnterpriseNumber	An identifier intended for computation
display	Σ	0..1	string	Text alternative for the resource
value[x]	SΣC	0..1		The actual observed 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 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.
note		0..*	Annotation	Comments about the observation
bodySite		0..1	CodeableConcept	Observed body part Binding: SNOMEDCTBodyStructures (preferred): Codes describing anatomical locations. May include laterality.
method		0..1	CodeableConcept	How it was done Binding: ObservationMethods (preferred): Methods for simple observations.
specimen	C	0..1	Reference(Specimen)	Specimen used for this observation ref-1: SHALL have a contained resource if a local reference is provided
device	C	0..1	Reference(Device | DeviceMetric)	(Measurement) Device ref-1: SHALL have a contained resource if a local reference is provided
referenceRange	C	0..*	BackboneElement	Provides guide for interpretation obs-3: Must have at least a low or a high or text
id		0..1	string	Unique id for inter-element referencing
extension	N	0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
low	C	0..1	SimpleQuantity	Low Range, if relevant qty-3: If a code for the unit is present, the system SHALL also be present sqty-1: The comparator is not used on a SimpleQuantity
high	C	0..1	SimpleQuantity	High Range, if relevant qty-3: If a code for the unit is present, the system SHALL also be present sqty-1: The comparator is not used on a SimpleQuantity
type		0..1	CodeableConcept	Reference range qualifier Binding: ObservationReferenceRangeMeaningCodes (preferred): Code for the meaning of a reference range.
appliesTo		0..*	CodeableConcept	Reference range population Binding: ObservationReferenceRangeAppliesToCodes (example): Codes identifying the population the reference range applies to.
age	C	0..1	Range	Applicable age range, if relevant rng-2: If present, low SHALL have a lower value than high
text		0..1	string	Text based reference range in an observation
hasMember	ΣC	0..*	Reference(Observation | QuestionnaireResponse | MolecularSequence)	Related resource that belongs to the Observation group ref-1: SHALL have a contained resource if a local reference is provided
derivedFrom	ΣC	0..*	Reference(DocumentReference | ImagingStudy | Media | QuestionnaireResponse | Observation | MolecularSequence)	Related measurements the observation is made from ref-1: SHALL have a contained resource if a local reference is provided
component	SΣ	0..*	BackboneElement	Component / sub results.
id		0..1	string	Unique id for inter-element referencing
extension	N	0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
code	Σ	1..1	CodeableConcept	Type of component observation (code / type) Binding: VH Observation Type (extensible)
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	URI
Observation.language	preferred	CommonLanguages Additional Bindings Purpose AllLanguages Max Binding http://hl7.org/fhir/ValueSet/languages from the FHIR Standard
Observation.extension:triggeredByR5.extension:type []	required	http://hl7.org/fhir/ValueSet/observation-triggeredbytype http://hl7.org/fhir/ValueSet/observation-triggeredbytype
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 from the FHIR Standard
Observation.code	extensible	VHObservationType https://fhir.virtually.healthcare/ValueSet/VHObservationType from this IG
Observation.subject.type	extensible	ResourceType http://hl7.org/fhir/ValueSet/resource-types from the FHIR Standard
Observation.performer.type	extensible	ResourceType http://hl7.org/fhir/ValueSet/resource-types from the FHIR Standard
Observation.dataAbsentReason	extensible	DataAbsentReason http://hl7.org/fhir/ValueSet/data-absent-reason from the FHIR Standard
Observation.interpretation	extensible	ObservationInterpretationCodes http://hl7.org/fhir/ValueSet/observation-interpretation from the FHIR Standard
Observation.bodySite	preferred	SNOMEDCTBodyStructures http://hl7.org/fhir/ValueSet/body-site from the FHIR Standard
Observation.method	preferred	ObservationMethods http://hl7.org/fhir/ValueSet/observation-methods 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	extensible	VHObservationType https://fhir.virtually.healthcare/ValueSet/VHObservationType from this IG
Observation.component.dataAbsentReason	extensible	DataAbsentReason http://hl7.org/fhir/ValueSet/data-absent-reason from the FHIR Standard
Observation.component.interpretation	extensible	ObservationInterpretationCodes http://hl7.org/fhir/ValueSet/observation-interpretation from the FHIR Standard

This structure is derived from UKCoreObservation

Summary

Mandatory: 3 elements(1 nested mandatory element)
Must-Support: 2 elements
Prohibited: 1 element

Structures

This structure refers to these other structures:

• Common Resource Identifiers (https://fhir.virtually.healthcare/StructureDefinition/CommonResourceIdentifiers)
• NHS, HCSN and CHI Numbers (https://fhir.virtually.healthcare/StructureDefinition/nhs-numbers)
• Practitioner (https://fhir.virtually.healthcare/StructureDefinition/Practitioner)
• Patient (https://fhir.virtually.healthcare/StructureDefinition/Patient)
• UK Professional License (https://fhir.virtually.healthcare/StructureDefinition/ProfessionalLicense)
• Staff Enterprise Number (https://fhir.virtually.healthcare/StructureDefinition/Staff-Enterprise-Number)

Differential View

This structure is derived from UKCoreObservation

Name	Flags	Card.	Type	Description & Constraints
Observation		0..*	UKCoreObservation	Measurements and simple assertions
contained		0..0
identifier	S	1..*	CommonResourceIdentifiers	An identifier intended for computation
code		1..1	CodeableConcept	The type of observation (code / type). Binding: VH Observation Type (extensible)
subject
reference	S	1..1	string	Literal reference, Relative, internal or absolute URL
identifier		0..1	NHSNumbers	An identifier intended for computation
effective[x]		1..1	dateTime	A clinically relevant time / time-period for observation.
performer		1..*	Reference(Practitioner | Patient)	Who is responsible for the observation.
identifier		0..1	ProfessionalLicense, NHSNumbers, StaffEnterpriseNumber	An identifier intended for computation
component
code		1..1	CodeableConcept	Type of component observation (code / type) Binding: VH Observation Type (extensible)
Documentation for this format

Terminology Bindings (Differential)

Path	Conformance	ValueSet	URI
Observation.code	extensible	VHObservationType https://fhir.virtually.healthcare/ValueSet/VHObservationType from this IG
Observation.component.code	extensible	VHObservationType https://fhir.virtually.healthcare/ValueSet/VHObservationType from this IG

Key Elements View

Name	Flags	Card.	Type	Description & Constraints
Observation	C	0..*	UKCoreObservation	Measurements and simple assertions obs-7: If Observation.code is the same as an Observation.component.code then the value element associated with the code SHALL NOT be present obs-6: dataAbsentReason SHALL only be present if Observation.value[x] is not present
implicitRules	?!Σ	0..1	uri	A set of rules under which this content was created
Slices for extension				Content/Rules for all slices
triggeredByR5	N	0..*	(Complex)	Triggering observation(s). This is a R5 backport. URL: http://hl7.org/fhir/5.0/StructureDefinition/extension-Observation.triggeredBy
Slices for extension	N	2..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
extension:observation	N	1..1	Extension	Triggering observation
url		1..1	uri	"observation"
value[x]	N	1..1	Reference(Observation)	Triggering observation.
extension:type	N	1..1	Extension	​reflex | repeat | re-run Binding: observation-triggeredbytype (required)
url		1..1	uri	"type"
value[x]	N	1..1	code	The type of trigger. Reflex | Repeat | Re-run
extension:reason	N	0..1	Extension	Reason that the observation was triggered
url		1..1	uri	"reason"
value[x]	N	1..1	string	Reason that the observation was triggered.
url		1..1	uri	"http://hl7.org/fhir/5.0/StructureDefinition/extension-Observation.triggeredBy"
bodyStructureR5	N	0..1	Reference(BodyStructure)	Observed body structure. This is a R5 backport. URL: http://hl7.org/fhir/5.0/StructureDefinition/extension-Observation.bodyStructure
modifierExtension	?!N	0..*	Extension	Extensions that cannot be ignored Slice: Unordered, Open by value:url
identifier	S	1..*	CommonResourceIdentifiers	An identifier intended for computation
status	?!SΣ	1..1	code	The status of the result value. Binding: ObservationStatus (required): Codes providing the status of an observation.
category	S	0..*	CodeableConcept	A code that classifies the general type of observation being made. Binding: ObservationCategoryCodes (preferred): Codes for high level observation categories.
code	SΣ	1..1	CodeableConcept	The type of observation (code / type). Binding: VH Observation Type (extensible)
subject	SΣC	0..1	Reference(Patient | Group | Device | Location)	Who and / or what the observation is about. ref-1: SHALL have a contained resource if a local reference is provided
reference	SΣC	1..1	string	Literal reference, Relative, internal or absolute URL
identifier		0..1	NHSNumbers	An identifier intended for computation
effective[x]	SΣ	1..1	dateTime	A clinically relevant time / time-period for observation.
performer	SΣC	1..*	Reference(Practitioner | Patient)	Who is responsible for the observation. ref-1: SHALL have a contained resource if a local reference is provided
identifier		0..1	ProfessionalLicense, NHSNumbers, StaffEnterpriseNumber	An identifier intended for computation
value[x]	SΣC	0..1		The actual observed 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 result is missing Binding: DataAbsentReason (extensible): Codes specifying why the result (Observation.value[x]) is missing.
component	SΣ	0..*	BackboneElement	Component / sub results.
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
code	Σ	1..1	CodeableConcept	Type of component observation (code / type) Binding: VH Observation Type (extensible)
dataAbsentReason	C	0..1	CodeableConcept	Why the component result is missing Binding: DataAbsentReason (extensible): Codes specifying why the result (Observation.value[x]) is missing.
Documentation for this format

Terminology Bindings

Path	Conformance	ValueSet	URI
Observation.extension:triggeredByR5.extension:type []	required	http://hl7.org/fhir/ValueSet/observation-triggeredbytype http://hl7.org/fhir/ValueSet/observation-triggeredbytype
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 from the FHIR Standard
Observation.code	extensible	VHObservationType https://fhir.virtually.healthcare/ValueSet/VHObservationType from this IG
Observation.dataAbsentReason	extensible	DataAbsentReason http://hl7.org/fhir/ValueSet/data-absent-reason from the FHIR Standard
Observation.component.code	extensible	VHObservationType https://fhir.virtually.healthcare/ValueSet/VHObservationType from this IG
Observation.component.dataAbsentReason	extensible	DataAbsentReason http://hl7.org/fhir/ValueSet/data-absent-reason from the FHIR Standard

Snapshot View

Name	Flags	Card.	Type	Description & Constraints
Observation	C	0..*	UKCoreObservation	Measurements and simple assertions obs-7: If Observation.code is the same as an Observation.component.code then the value element associated with the code SHALL NOT be present obs-6: dataAbsentReason SHALL only be present if Observation.value[x] is not present
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
Slices for extension	N	0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
triggeredByR5	N	0..*	(Complex)	Triggering observation(s). This is a R5 backport. URL: http://hl7.org/fhir/5.0/StructureDefinition/extension-Observation.triggeredBy
id		0..1	string	Unique id for inter-element referencing
Slices for extension	N	2..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
extension:observation	N	1..1	Extension	Triggering observation
id		0..1	string	Unique id for inter-element referencing
extension	N	0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
url		1..1	uri	"observation"
value[x]	N	1..1	Reference(Observation)	Triggering observation.
extension:type	N	1..1	Extension	​reflex | repeat | re-run Binding: observation-triggeredbytype (required)
id		0..1	string	Unique id for inter-element referencing
extension	N	0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
url		1..1	uri	"type"
value[x]	N	1..1	code	The type of trigger. Reflex | Repeat | Re-run
extension:reason	N	0..1	Extension	Reason that the observation was triggered
id		0..1	string	Unique id for inter-element referencing
extension	N	0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
url		1..1	uri	"reason"
value[x]	N	1..1	string	Reason that the observation was triggered.
url		1..1	uri	"http://hl7.org/fhir/5.0/StructureDefinition/extension-Observation.triggeredBy"
bodyStructureR5	N	0..1	Reference(BodyStructure)	Observed body structure. This is a R5 backport. URL: http://hl7.org/fhir/5.0/StructureDefinition/extension-Observation.bodyStructure
modifierExtension	?!N	0..*	Extension	Extensions that cannot be ignored Slice: Unordered, Open by value:url
identifier	S	1..*	CommonResourceIdentifiers	An identifier intended for computation
basedOn	ΣC	0..*	Reference(CarePlan | DeviceRequest | ImmunizationRecommendation | MedicationRequest | NutritionOrder | ServiceRequest)	Fulfills plan, proposal or order ref-1: SHALL have a contained resource if a local reference is provided
partOf	ΣC	0..*	Reference(MedicationAdministration | MedicationDispense | MedicationStatement | Procedure | Immunization | ImagingStudy)	Part of referenced event ref-1: SHALL have a contained resource if a local reference is provided
status	?!SΣ	1..1	code	The status of the result value. Binding: ObservationStatus (required): Codes providing the status of an observation.
category	S	0..*	CodeableConcept	A code that classifies the general type of observation being made. Binding: ObservationCategoryCodes (preferred): Codes for high level observation categories.
code	SΣ	1..1	CodeableConcept	The type of observation (code / type). Binding: VH Observation Type (extensible)
subject	SΣC	0..1	Reference(Patient | Group | Device | Location)	Who and / or what the observation is about. ref-1: SHALL have a contained resource if a local reference is provided
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
reference	SΣC	1..1	string	Literal reference, Relative, internal or absolute URL
type	Σ	0..1	uri	Type the reference refers to (e.g. "Patient") Binding: ResourceType (extensible): Aa resource (or, for logical models, the URI of the logical model).
identifier		0..1	NHSNumbers	An identifier intended for computation
display	Σ	0..1	string	Text alternative for the resource
focus	ΣC	0..*	Reference(Resource)	What the observation is about, when it is not about the subject of record ref-1: SHALL have a contained resource if a local reference is provided
encounter	ΣC	0..1	Reference(Encounter)	Healthcare event during which this observation is made ref-1: SHALL have a contained resource if a local reference is provided
effective[x]	SΣ	1..1	dateTime	A clinically relevant time / time-period for observation.
issued	Σ	0..1	instant	Date/Time this version was made available
performer	SΣC	1..*	Reference(Practitioner | Patient)	Who is responsible for the observation. ref-1: SHALL have a contained resource if a local reference is provided
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
reference	ΣC	0..1	string	Literal reference, Relative, internal or absolute URL
type	Σ	0..1	uri	Type the reference refers to (e.g. "Patient") Binding: ResourceType (extensible): Aa resource (or, for logical models, the URI of the logical model).
identifier		0..1	ProfessionalLicense, NHSNumbers, StaffEnterpriseNumber	An identifier intended for computation
display	Σ	0..1	string	Text alternative for the resource
value[x]	SΣC	0..1		The actual observed 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 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.
note		0..*	Annotation	Comments about the observation
bodySite		0..1	CodeableConcept	Observed body part Binding: SNOMEDCTBodyStructures (preferred): Codes describing anatomical locations. May include laterality.
method		0..1	CodeableConcept	How it was done Binding: ObservationMethods (preferred): Methods for simple observations.
specimen	C	0..1	Reference(Specimen)	Specimen used for this observation ref-1: SHALL have a contained resource if a local reference is provided
device	C	0..1	Reference(Device | DeviceMetric)	(Measurement) Device ref-1: SHALL have a contained resource if a local reference is provided
referenceRange	C	0..*	BackboneElement	Provides guide for interpretation obs-3: Must have at least a low or a high or text
id		0..1	string	Unique id for inter-element referencing
extension	N	0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
low	C	0..1	SimpleQuantity	Low Range, if relevant qty-3: If a code for the unit is present, the system SHALL also be present sqty-1: The comparator is not used on a SimpleQuantity
high	C	0..1	SimpleQuantity	High Range, if relevant qty-3: If a code for the unit is present, the system SHALL also be present sqty-1: The comparator is not used on a SimpleQuantity
type		0..1	CodeableConcept	Reference range qualifier Binding: ObservationReferenceRangeMeaningCodes (preferred): Code for the meaning of a reference range.
appliesTo		0..*	CodeableConcept	Reference range population Binding: ObservationReferenceRangeAppliesToCodes (example): Codes identifying the population the reference range applies to.
age	C	0..1	Range	Applicable age range, if relevant rng-2: If present, low SHALL have a lower value than high
text		0..1	string	Text based reference range in an observation
hasMember	ΣC	0..*	Reference(Observation | QuestionnaireResponse | MolecularSequence)	Related resource that belongs to the Observation group ref-1: SHALL have a contained resource if a local reference is provided
derivedFrom	ΣC	0..*	Reference(DocumentReference | ImagingStudy | Media | QuestionnaireResponse | Observation | MolecularSequence)	Related measurements the observation is made from ref-1: SHALL have a contained resource if a local reference is provided
component	SΣ	0..*	BackboneElement	Component / sub results.
id		0..1	string	Unique id for inter-element referencing
extension	N	0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
code	Σ	1..1	CodeableConcept	Type of component observation (code / type) Binding: VH Observation Type (extensible)
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	URI
Observation.language	preferred	CommonLanguages Additional Bindings Purpose AllLanguages Max Binding http://hl7.org/fhir/ValueSet/languages from the FHIR Standard
Observation.extension:triggeredByR5.extension:type []	required	http://hl7.org/fhir/ValueSet/observation-triggeredbytype http://hl7.org/fhir/ValueSet/observation-triggeredbytype
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 from the FHIR Standard
Observation.code	extensible	VHObservationType https://fhir.virtually.healthcare/ValueSet/VHObservationType from this IG
Observation.subject.type	extensible	ResourceType http://hl7.org/fhir/ValueSet/resource-types from the FHIR Standard
Observation.performer.type	extensible	ResourceType http://hl7.org/fhir/ValueSet/resource-types from the FHIR Standard
Observation.dataAbsentReason	extensible	DataAbsentReason http://hl7.org/fhir/ValueSet/data-absent-reason from the FHIR Standard
Observation.interpretation	extensible	ObservationInterpretationCodes http://hl7.org/fhir/ValueSet/observation-interpretation from the FHIR Standard
Observation.bodySite	preferred	SNOMEDCTBodyStructures http://hl7.org/fhir/ValueSet/body-site from the FHIR Standard
Observation.method	preferred	ObservationMethods http://hl7.org/fhir/ValueSet/observation-methods 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	extensible	VHObservationType https://fhir.virtually.healthcare/ValueSet/VHObservationType from this IG
Observation.component.dataAbsentReason	extensible	DataAbsentReason http://hl7.org/fhir/ValueSet/data-absent-reason from the FHIR Standard
Observation.component.interpretation	extensible	ObservationInterpretationCodes http://hl7.org/fhir/ValueSet/observation-interpretation from the FHIR Standard

This structure is derived from UKCoreObservation

Summary

Mandatory: 3 elements(1 nested mandatory element)
Must-Support: 2 elements
Prohibited: 1 element

Structures

This structure refers to these other structures:

• Common Resource Identifiers (https://fhir.virtually.healthcare/StructureDefinition/CommonResourceIdentifiers)
• NHS, HCSN and CHI Numbers (https://fhir.virtually.healthcare/StructureDefinition/nhs-numbers)
• Practitioner (https://fhir.virtually.healthcare/StructureDefinition/Practitioner)
• Patient (https://fhir.virtually.healthcare/StructureDefinition/Patient)
• UK Professional License (https://fhir.virtually.healthcare/StructureDefinition/ProfessionalLicense)
• Staff Enterprise Number (https://fhir.virtually.healthcare/StructureDefinition/Staff-Enterprise-Number)

Other representations of profile: CSV, Excel, Schematron