Name	Flags	Card.	Type	Description & Constraints
Observation		0..*	observation-bp	FHIR Blood Pressure Profile
meta
Slices for profile		0..*	canonical(StructureDefinition)	Profiles this resource claims to conform to Slice: Unordered, Open by value:$this
profile:fr-canonical		0..1	canonical(StructureDefinition)	Profiles this resource claims to conform to Required Pattern: https://hl7.fr/ig/fhir/core/StructureDefinition/fr-core-observation-bp
Slices for extension		0..*	Extension	Extension Slice: Unordered, Open by value:url
supportingInfo		0..1	Reference(Resource)	Other information that may be relevant to this event. URL: http://hl7.org/fhir/StructureDefinition/workflow-supportingInfo
code
coding		1..*	Coding	Code defined by a terminology system
encounter		0..1	Reference(FR Core Encounter Profile)	Healthcare event during which this observation is made
effective[x]		1..1	dateTime, Period	Often just a dateTime for Vital Signs
performer		0..*	Reference(CareTeam | FR Core Patient Profile | FR Core Practitioner Profile | PractitionerRole | FR Core Organization Profile | FR Core Related Person Profile)	Who is responsible for the observation
value[x]		0..0
bodySite		0..1	CodeableConcept	Observed body part Binding: http://hl7.org/fhir/hspc/ValueSet/bpMeasBodyLocationPrecoordVS (example)
method		0..1	CodeableConcept	How it was done Binding: https://hl7.fr/ig/fhir/core/ValueSet/fr-core-vs-bp-measurement-method (example)
component:SystolicBP		1..1	BackboneElement	Used when reporting systolic and diastolic blood pressure.
code
coding		1..*	Coding	Systolic Blood Pressure
value[x]		0..1	Quantity	Vital Sign Value recorded with UCUM Slice: Unordered, Open by
referenceRange		0..*	See referenceRange (Observation)	Provides guide for interpretation of component result
component:DiastolicBP		1..1	BackboneElement	Used when reporting diastolic blood pressure.
code
coding		1..*	Coding	Diastolic Blood Pressure
value[x]		0..1	Quantity	Vital Sign Value recorded with UCUM Slice: Unordered, Open by
referenceRange		0..*	See referenceRange (Observation)	Provides guide for interpretation of component result
component:MeanBP		0..1	BackboneElement	Mean blood pressure
code
Slices for coding		1..*	Coding	Code defined by a terminology system Slice: Unordered, Open by value:code, value:system
coding:MBPCode		1..1	Coding	Code defined by a terminology system
system		1..1	uri	Identity of the terminology system Fixed Value: http://loinc.org
code		1..1	code	Mean blood pressure Fixed Value: 8478-0
referenceRange		0..*	See referenceRange (Observation)	Provides guide for interpretation of component result
Documentation for this format

Terminology Bindings (Differential)

Path	Conformance	ValueSet	URI
Observation.bodySite	example	http://hl7.org/fhir/hspc/ValueSet/bpMeasBodyLocationPrecoordVS http://hl7.org/fhir/hspc/ValueSet/bpMeasBodyLocationPrecoordVS
Observation.method	example	https://hl7.fr/ig/fhir/core/ValueSet/fr-core-vs-bp-measurement-method https://hl7.fr/ig/fhir/core/ValueSet/fr-core-vs-bp-measurement-method

Name	Flags	Card.	Type	Description & Constraints
Observation	C	0..*	observation-bp	FHIR Blood Pressure Profile
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
supportingInfo		0..1	Reference(Resource)	Other information that may be relevant to this event. URL: http://hl7.org/fhir/StructureDefinition/workflow-supportingInfo
modifierExtension	?!	0..*	Extension	Extensions that cannot be ignored
status	?!SΣ	1..1	code	registered | preliminary | final | amended + Binding: ObservationStatus (required)
Slices for category	S	1..*	CodeableConcept	Classification of type of observation Slice: Unordered, Open by value:coding.code, value:coding.system Binding: ObservationCategoryCodes (preferred): Codes for high level observation categories.
category:VSCat	S	1..1	CodeableConcept	Classification of type of observation Binding: ObservationCategoryCodes (preferred): Codes for high level observation categories.
coding	SΣ	1..*	Coding	Code defined by a terminology system
system	SΣ	1..1	uri	Identity of the terminology system Fixed Value: http://terminology.hl7.org/CodeSystem/observation-category
code	SΣ	1..1	code	Symbol in syntax defined by the system Fixed Value: vital-signs
code	SΣ	1..1	CodeableConcept	Blood Pressure Binding: VitalSigns (extensible): This identifies the vital sign result type.
Slices for coding	Σ	1..*	Coding	Code defined by a terminology system Slice: Unordered, Open by value:code, value:system
coding:BPCode	Σ	1..1	Coding	Code defined by a terminology system
system	Σ	1..1	uri	Identity of the terminology system Fixed Value: http://loinc.org
code	Σ	1..1	code	Symbol in syntax defined by the system Fixed Value: 85354-9
subject	SΣ	1..1	Reference(Patient)	Who and/or what the observation is about
encounter	Σ	0..1	Reference(FR Core Encounter Profile)	Healthcare event during which this observation is made
effective[x]	SΣC	1..1		Often just a dateTime for Vital Signs
effectiveDateTime			dateTime
effectivePeriod			Period
performer	Σ	0..*	Reference(CareTeam | FR Core Patient Profile | FR Core Practitioner Profile | PractitionerRole | FR Core Organization Profile | FR Core Related Person Profile)	Who is responsible for the observation
dataAbsentReason	SC	0..1	CodeableConcept	Why the result is missing Binding: DataAbsentReason (extensible): Codes specifying why the result (Observation.value[x]) is missing.
bodySite		0..1	CodeableConcept	Observed body part Binding: http://hl7.org/fhir/hspc/ValueSet/bpMeasBodyLocationPrecoordVS (example)
method		0..1	CodeableConcept	How it was done Binding: https://hl7.fr/ig/fhir/core/ValueSet/fr-core-vs-bp-measurement-method (example)
Slices for component	SΣC	2..*	BackboneElement	Used when reporting systolic and diastolic blood pressure. Slice: Unordered, Open by value:code.coding.code, value:code.coding.system
component:All Slices				Content/Rules for all slices
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
code	SΣ	1..1	CodeableConcept	Type of component observation (code / type) Binding: VitalSigns (extensible): This identifies the vital sign result type.
value[x]	SΣC	0..1		Vital Sign Value recorded with UCUM Binding: VitalSignsUnits (required): Common UCUM units for recording Vital Signs.
valueQuantity			Quantity
valueCodeableConcept			CodeableConcept
valueString			string
valueBoolean			boolean
valueInteger			integer
valueRange			Range
valueRatio			Ratio
valueSampledData			SampledData
valueTime			time
valueDateTime			dateTime
valuePeriod			Period
dataAbsentReason	SC	0..1	CodeableConcept	Why the component result is missing Binding: DataAbsentReason (extensible): Codes specifying why the result (Observation.value[x]) is missing.
component:SystolicBP	SΣC	1..1	BackboneElement	Used when reporting systolic and diastolic blood pressure.
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
code	SΣ	1..1	CodeableConcept	Type of component observation (code / type) Binding: VitalSigns (extensible): This identifies the vital sign result type.
Slices for coding	Σ	1..*	Coding	Systolic Blood Pressure Slice: Unordered, Open by value:code, value:system
coding:SBPCode	Σ	1..1	Coding	Systolic Blood Pressure
system	Σ	1..1	uri	Identity of the terminology system Fixed Value: http://loinc.org
code	Σ	1..1	code	Symbol in syntax defined by the system Fixed Value: 8480-6
value[x]	SΣC	0..1	Quantity	Vital Sign Value recorded with UCUM Slice: Unordered, Open by type:$this Binding: VitalSignsUnits (required): Common UCUM units for recording Vital Signs.
value[x]:All Slices				Content/Rules for all slices
value	SΣ	1..1	decimal	Numerical value (with implicit precision)
comparator	?!Σ	0..1	code	< | <= | >= | > - how to understand the value Binding: QuantityComparator (required): How the Quantity should be understood and represented.
unit	SΣ	1..1	string	Unit representation
system	SΣC	1..1	uri	System that defines coded unit form Fixed Value: http://unitsofmeasure.org
code	SΣ	1..1	code	Coded responses from the common UCUM units for vital signs value set. Fixed Value: mm[Hg]
dataAbsentReason	SC	0..1	CodeableConcept	Why the component result is missing Binding: DataAbsentReason (extensible): Codes specifying why the result (Observation.value[x]) is missing.
referenceRange		0..*	See referenceRange (Observation)	Provides guide for interpretation of component result
component:DiastolicBP	SΣC	1..1	BackboneElement	Used when reporting diastolic blood pressure.
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
code	SΣ	1..1	CodeableConcept	Type of component observation (code / type) Binding: VitalSigns (extensible): This identifies the vital sign result type.
Slices for coding	Σ	1..*	Coding	Diastolic Blood Pressure Slice: Unordered, Open by value:code, value:system
coding:DBPCode	Σ	1..1	Coding	Diastolic Blood Pressure
system	Σ	1..1	uri	Identity of the terminology system Fixed Value: http://loinc.org
code	Σ	1..1	code	Symbol in syntax defined by the system Fixed Value: 8462-4
value[x]	SΣC	0..1	Quantity	Vital Sign Value recorded with UCUM Slice: Unordered, Open by type:$this Binding: VitalSignsUnits (required): Common UCUM units for recording Vital Signs.
value[x]:All Slices				Content/Rules for all slices
value	SΣ	1..1	decimal	Numerical value (with implicit precision)
comparator	?!Σ	0..1	code	< | <= | >= | > - how to understand the value Binding: QuantityComparator (required): How the Quantity should be understood and represented.
unit	SΣ	1..1	string	Unit representation
system	SΣC	1..1	uri	System that defines coded unit form Fixed Value: http://unitsofmeasure.org
code	SΣ	1..1	code	Coded responses from the common UCUM units for vital signs value set. Fixed Value: mm[Hg]
dataAbsentReason	SC	0..1	CodeableConcept	Why the component result is missing Binding: DataAbsentReason (extensible): Codes specifying why the result (Observation.value[x]) is missing.
referenceRange		0..*	See referenceRange (Observation)	Provides guide for interpretation of component result
component:MeanBP	SΣC	0..1	BackboneElement	Mean blood pressure
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
code	SΣ	1..1	CodeableConcept	Type of component observation (code / type) Binding: VitalSigns (extensible): This identifies the vital sign result type.
Slices for coding	Σ	1..*	Coding	Code defined by a terminology system Slice: Unordered, Open by value:code, value:system
coding:MBPCode	Σ	1..1	Coding	Code defined by a terminology system
system	Σ	1..1	uri	Identity of the terminology system Fixed Value: http://loinc.org
code	Σ	1..1	code	Mean blood pressure Fixed Value: 8478-0
value[x]	SΣC	0..1		Vital Sign Value recorded with UCUM Binding: VitalSignsUnits (required): Common UCUM units for recording Vital Signs.
valueQuantity			Quantity
valueCodeableConcept			CodeableConcept
valueString			string
valueBoolean			boolean
valueInteger			integer
valueRange			Range
valueRatio			Ratio
valueSampledData			SampledData
valueTime			time
valueDateTime			dateTime
valuePeriod			Period
dataAbsentReason	SC	0..1	CodeableConcept	Why the component result is missing Binding: DataAbsentReason (extensible): Codes specifying why the result (Observation.value[x]) is missing.
referenceRange		0..*	See referenceRange (Observation)	Provides guide for interpretation of component result
Documentation for this format

Terminology Bindings

Path	Conformance	ValueSet	URI
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.category:VSCat	preferred	ObservationCategoryCodes http://hl7.org/fhir/ValueSet/observation-category from the FHIR Standard
Observation.code	extensible	VitalSigns http://hl7.org/fhir/ValueSet/observation-vitalsignresult from the FHIR Standard
Observation.dataAbsentReason	extensible	DataAbsentReason http://hl7.org/fhir/ValueSet/data-absent-reason from the FHIR Standard
Observation.bodySite	example	http://hl7.org/fhir/hspc/ValueSet/bpMeasBodyLocationPrecoordVS http://hl7.org/fhir/hspc/ValueSet/bpMeasBodyLocationPrecoordVS
Observation.method	example	https://hl7.fr/ig/fhir/core/ValueSet/fr-core-vs-bp-measurement-method https://hl7.fr/ig/fhir/core/ValueSet/fr-core-vs-bp-measurement-method
Observation.component.code	extensible	VitalSigns http://hl7.org/fhir/ValueSet/observation-vitalsignresult from the FHIR Standard
Observation.component.value[x]	required	VitalSignsUnits http://hl7.org/fhir/ValueSet/ucum-vitals-common|4.0.1 from the FHIR Standard
Observation.component.dataAbsentReason	extensible	DataAbsentReason http://hl7.org/fhir/ValueSet/data-absent-reason from the FHIR Standard
Observation.component:SystolicBP.code	extensible	VitalSigns http://hl7.org/fhir/ValueSet/observation-vitalsignresult from the FHIR Standard
Observation.component:SystolicBP.value[x]	required	VitalSignsUnits http://hl7.org/fhir/ValueSet/ucum-vitals-common|4.0.1 from the FHIR Standard
Observation.component:SystolicBP.value[x].comparator	required	QuantityComparator http://hl7.org/fhir/ValueSet/quantity-comparator|4.0.1 from the FHIR Standard
Observation.component:SystolicBP.dataAbsentReason	extensible	DataAbsentReason http://hl7.org/fhir/ValueSet/data-absent-reason from the FHIR Standard
Observation.component:DiastolicBP.code	extensible	VitalSigns http://hl7.org/fhir/ValueSet/observation-vitalsignresult from the FHIR Standard
Observation.component:DiastolicBP.value[x]	required	VitalSignsUnits http://hl7.org/fhir/ValueSet/ucum-vitals-common|4.0.1 from the FHIR Standard
Observation.component:DiastolicBP.value[x].comparator	required	QuantityComparator http://hl7.org/fhir/ValueSet/quantity-comparator|4.0.1 from the FHIR Standard
Observation.component:DiastolicBP.dataAbsentReason	extensible	DataAbsentReason http://hl7.org/fhir/ValueSet/data-absent-reason from the FHIR Standard
Observation.component:MeanBP.code	extensible	VitalSigns http://hl7.org/fhir/ValueSet/observation-vitalsignresult from the FHIR Standard
Observation.component:MeanBP.value[x]	required	VitalSignsUnits http://hl7.org/fhir/ValueSet/ucum-vitals-common|4.0.1 from the FHIR Standard
Observation.component:MeanBP.dataAbsentReason	extensible	DataAbsentReason http://hl7.org/fhir/ValueSet/data-absent-reason 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()
vs-1	error	Observation.effective[x]	if Observation.effective[x] is dateTime and has a value then that value shall be precise to the day : $this is dateTime implies $this.toString().length() >= 10
vs-2	error	Observation	If there is no component or hasMember element then either a value[x] or a data absent reason must be present. : (component.empty() and hasMember.empty()) implies (dataAbsentReason.exists() or value.exists())
vs-3	error	Observation.component, Observation.component:SystolicBP, Observation.component:DiastolicBP, Observation.component:MeanBP	If there is no a value a data absent reason must be present : value.exists() or dataAbsentReason.exists()

Name	Flags	Card.	Type	Description & Constraints
Observation	C	0..*	observation-bp	FHIR Blood Pressure Profile
id	Σ	0..1	id	Logical id of this artifact
meta	Σ	0..1	Meta	Metadata about the resource
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
versionId	Σ	0..1	id	Version specific identifier
lastUpdated	Σ	0..1	instant	When the resource version last changed
source	Σ	0..1	uri	Identifies where the resource comes from
Slices for profile	Σ	0..*	canonical(StructureDefinition)	Profiles this resource claims to conform to Slice: Unordered, Open by value:$this
profile:fr-canonical	Σ	0..1	canonical(StructureDefinition)	Profiles this resource claims to conform to Required Pattern: https://hl7.fr/ig/fhir/core/StructureDefinition/fr-core-observation-bp
security	Σ	0..*	Coding	Security Labels applied to this resource Binding: All Security Labels (extensible): Security Labels from the Healthcare Privacy and Security Classification System.
tag	Σ	0..*	Coding	Tags applied to this resource Binding: CommonTags (example): Codes that represent various types of tags, commonly workflow-related; e.g. "Needs review by Dr. Jones".
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
contained		0..*	Resource	Contained, inline Resources
Slices for extension		0..*	Extension	Extension Slice: Unordered, Open by value:url
supportingInfo		0..1	Reference(Resource)	Other information that may be relevant to this event. URL: http://hl7.org/fhir/StructureDefinition/workflow-supportingInfo
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)
Slices for category	S	1..*	CodeableConcept	Classification of type of observation Slice: Unordered, Open by value:coding.code, value:coding.system Binding: ObservationCategoryCodes (preferred): Codes for high level observation categories.
category:VSCat	S	1..1	CodeableConcept	Classification of type of observation Binding: ObservationCategoryCodes (preferred): Codes for high level observation categories.
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
coding	SΣ	1..*	Coding	Code defined by a terminology system
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
system	SΣ	1..1	uri	Identity of the terminology system Fixed Value: http://terminology.hl7.org/CodeSystem/observation-category
version	Σ	0..1	string	Version of the system - if relevant
code	SΣ	1..1	code	Symbol in syntax defined by the system Fixed Value: vital-signs
display	Σ	0..1	string	Representation defined by the system
userSelected	Σ	0..1	boolean	If this coding was chosen directly by the user
text	Σ	0..1	string	Plain text representation of the concept
code	SΣ	1..1	CodeableConcept	Blood Pressure Binding: VitalSigns (extensible): This identifies the vital sign result type.
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
Slices for coding	Σ	1..*	Coding	Code defined by a terminology system Slice: Unordered, Open by value:code, value:system
coding:BPCode	Σ	1..1	Coding	Code defined by a terminology system
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
system	Σ	1..1	uri	Identity of the terminology system Fixed Value: http://loinc.org
version	Σ	0..1	string	Version of the system - if relevant
code	Σ	1..1	code	Symbol in syntax defined by the system Fixed Value: 85354-9
display	Σ	0..1	string	Representation defined by the system
userSelected	Σ	0..1	boolean	If this coding was chosen directly by the user
text	Σ	0..1	string	Plain text representation of the concept
subject	SΣ	1..1	Reference(Patient)	Who and/or what the observation is about
focus	Σ	0..*	Reference(Resource)	What the observation is about, when it is not about the subject of record
encounter	Σ	0..1	Reference(FR Core Encounter Profile)	Healthcare event during which this observation is made
effective[x]	SΣC	1..1		Often just a dateTime for Vital Signs
effectiveDateTime			dateTime
effectivePeriod			Period
issued	Σ	0..1	instant	Date/Time this version was made available
performer	Σ	0..*	Reference(CareTeam | FR Core Patient Profile | FR Core Practitioner Profile | PractitionerRole | FR Core Organization Profile | FR Core Related Person Profile)	Who is responsible for the observation
dataAbsentReason	SC	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: http://hl7.org/fhir/hspc/ValueSet/bpMeasBodyLocationPrecoordVS (example)
method		0..1	CodeableConcept	How it was done Binding: https://hl7.fr/ig/fhir/core/ValueSet/fr-core-vs-bp-measurement-method (example)
specimen		0..1	Reference(Specimen)	Specimen used for this observation
device		0..1	Reference(Device | DeviceMetric)	(Measurement) Device
referenceRange	C	0..*	BackboneElement	Provides guide for interpretation
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
low	C	0..1	SimpleQuantity	Low Range, if relevant
high	C	0..1	SimpleQuantity	High Range, if relevant
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		0..1	Range	Applicable age range, if relevant
text		0..1	string	Text based reference range in an observation
hasMember	Σ	0..*	Reference(QuestionnaireResponse | MolecularSequence | Vital Signs Profile)	Used when reporting vital signs panel components
derivedFrom	Σ	0..*	Reference(DocumentReference | ImagingStudy | Media | QuestionnaireResponse | MolecularSequence | Vital Signs Profile)	Related measurements the observation is made from
Slices for component	SΣC	2..*	BackboneElement	Used when reporting systolic and diastolic blood pressure. Slice: Unordered, Open by value:code.coding.code, value:code.coding.system
component:All Slices				Content/Rules for all slices
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	SΣ	1..1	CodeableConcept	Type of component observation (code / type) Binding: VitalSigns (extensible): This identifies the vital sign result type.
value[x]	SΣC	0..1		Vital Sign Value recorded with UCUM Binding: VitalSignsUnits (required): Common UCUM units for recording Vital Signs.
valueQuantity			Quantity
valueCodeableConcept			CodeableConcept
valueString			string
valueBoolean			boolean
valueInteger			integer
valueRange			Range
valueRatio			Ratio
valueSampledData			SampledData
valueTime			time
valueDateTime			dateTime
valuePeriod			Period
dataAbsentReason	SC	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
component:SystolicBP	SΣC	1..1	BackboneElement	Used when reporting systolic and diastolic blood pressure.
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	SΣ	1..1	CodeableConcept	Type of component observation (code / type) Binding: VitalSigns (extensible): This identifies the vital sign result type.
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
Slices for coding	Σ	1..*	Coding	Systolic Blood Pressure Slice: Unordered, Open by value:code, value:system
coding:SBPCode	Σ	1..1	Coding	Systolic Blood Pressure
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
system	Σ	1..1	uri	Identity of the terminology system Fixed Value: http://loinc.org
version	Σ	0..1	string	Version of the system - if relevant
code	Σ	1..1	code	Symbol in syntax defined by the system Fixed Value: 8480-6
display	Σ	0..1	string	Representation defined by the system
userSelected	Σ	0..1	boolean	If this coding was chosen directly by the user
text	Σ	0..1	string	Plain text representation of the concept
value[x]	SΣC	0..1	Quantity	Vital Sign Value recorded with UCUM Slice: Unordered, Open by type:$this Binding: VitalSignsUnits (required): Common UCUM units for recording Vital Signs.
value[x]:All Slices				Content/Rules for all slices
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
value	SΣ	1..1	decimal	Numerical value (with implicit precision)
comparator	?!Σ	0..1	code	< | <= | >= | > - how to understand the value Binding: QuantityComparator (required): How the Quantity should be understood and represented.
unit	SΣ	1..1	string	Unit representation
system	SΣC	1..1	uri	System that defines coded unit form Fixed Value: http://unitsofmeasure.org
code	SΣ	1..1	code	Coded responses from the common UCUM units for vital signs value set. Fixed Value: mm[Hg]
dataAbsentReason	SC	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
component:DiastolicBP	SΣC	1..1	BackboneElement	Used when reporting diastolic blood pressure.
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	SΣ	1..1	CodeableConcept	Type of component observation (code / type) Binding: VitalSigns (extensible): This identifies the vital sign result type.
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
Slices for coding	Σ	1..*	Coding	Diastolic Blood Pressure Slice: Unordered, Open by value:code, value:system
coding:DBPCode	Σ	1..1	Coding	Diastolic Blood Pressure
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
system	Σ	1..1	uri	Identity of the terminology system Fixed Value: http://loinc.org
version	Σ	0..1	string	Version of the system - if relevant
code	Σ	1..1	code	Symbol in syntax defined by the system Fixed Value: 8462-4
display	Σ	0..1	string	Representation defined by the system
userSelected	Σ	0..1	boolean	If this coding was chosen directly by the user
text	Σ	0..1	string	Plain text representation of the concept
value[x]	SΣC	0..1	Quantity	Vital Sign Value recorded with UCUM Slice: Unordered, Open by type:$this Binding: VitalSignsUnits (required): Common UCUM units for recording Vital Signs.
value[x]:All Slices				Content/Rules for all slices
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
value	SΣ	1..1	decimal	Numerical value (with implicit precision)
comparator	?!Σ	0..1	code	< | <= | >= | > - how to understand the value Binding: QuantityComparator (required): How the Quantity should be understood and represented.
unit	SΣ	1..1	string	Unit representation
system	SΣC	1..1	uri	System that defines coded unit form Fixed Value: http://unitsofmeasure.org
code	SΣ	1..1	code	Coded responses from the common UCUM units for vital signs value set. Fixed Value: mm[Hg]
dataAbsentReason	SC	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
component:MeanBP	SΣC	0..1	BackboneElement	Mean blood pressure
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	SΣ	1..1	CodeableConcept	Type of component observation (code / type) Binding: VitalSigns (extensible): This identifies the vital sign result type.
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
Slices for coding	Σ	1..*	Coding	Code defined by a terminology system Slice: Unordered, Open by value:code, value:system
coding:MBPCode	Σ	1..1	Coding	Code defined by a terminology system
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
system	Σ	1..1	uri	Identity of the terminology system Fixed Value: http://loinc.org
version	Σ	0..1	string	Version of the system - if relevant
code	Σ	1..1	code	Mean blood pressure Fixed Value: 8478-0
display	Σ	0..1	string	Representation defined by the system
userSelected	Σ	0..1	boolean	If this coding was chosen directly by the user
text	Σ	0..1	string	Plain text representation of the concept
value[x]	SΣC	0..1		Vital Sign Value recorded with UCUM Binding: VitalSignsUnits (required): Common UCUM units for recording Vital Signs.
valueQuantity			Quantity
valueCodeableConcept			CodeableConcept
valueString			string
valueBoolean			boolean
valueInteger			integer
valueRange			Range
valueRatio			Ratio
valueSampledData			SampledData
valueTime			time
valueDateTime			dateTime
valuePeriod			Period
dataAbsentReason	SC	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.meta.security	extensible	All Security Labels http://hl7.org/fhir/ValueSet/security-labels from the FHIR Standard
Observation.meta.tag	example	CommonTags http://hl7.org/fhir/ValueSet/common-tags from the FHIR Standard
Observation.language	preferred	CommonLanguages Additional Bindings Purpose AllLanguages Max Binding http://hl7.org/fhir/ValueSet/languages from the FHIR Standard
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.category:VSCat	preferred	ObservationCategoryCodes http://hl7.org/fhir/ValueSet/observation-category from the FHIR Standard
Observation.code	extensible	VitalSigns http://hl7.org/fhir/ValueSet/observation-vitalsignresult 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	example	http://hl7.org/fhir/hspc/ValueSet/bpMeasBodyLocationPrecoordVS http://hl7.org/fhir/hspc/ValueSet/bpMeasBodyLocationPrecoordVS
Observation.method	example	https://hl7.fr/ig/fhir/core/ValueSet/fr-core-vs-bp-measurement-method https://hl7.fr/ig/fhir/core/ValueSet/fr-core-vs-bp-measurement-method
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	VitalSigns http://hl7.org/fhir/ValueSet/observation-vitalsignresult from the FHIR Standard
Observation.component.value[x]	required	VitalSignsUnits http://hl7.org/fhir/ValueSet/ucum-vitals-common|4.0.1 from the FHIR Standard
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
Observation.component:SystolicBP.code	extensible	VitalSigns http://hl7.org/fhir/ValueSet/observation-vitalsignresult from the FHIR Standard
Observation.component:SystolicBP.value[x]	required	VitalSignsUnits http://hl7.org/fhir/ValueSet/ucum-vitals-common|4.0.1 from the FHIR Standard
Observation.component:SystolicBP.value[x].comparator	required	QuantityComparator http://hl7.org/fhir/ValueSet/quantity-comparator|4.0.1 from the FHIR Standard
Observation.component:SystolicBP.dataAbsentReason	extensible	DataAbsentReason http://hl7.org/fhir/ValueSet/data-absent-reason from the FHIR Standard
Observation.component:SystolicBP.interpretation	extensible	ObservationInterpretationCodes http://hl7.org/fhir/ValueSet/observation-interpretation from the FHIR Standard
Observation.component:DiastolicBP.code	extensible	VitalSigns http://hl7.org/fhir/ValueSet/observation-vitalsignresult from the FHIR Standard
Observation.component:DiastolicBP.value[x]	required	VitalSignsUnits http://hl7.org/fhir/ValueSet/ucum-vitals-common|4.0.1 from the FHIR Standard
Observation.component:DiastolicBP.value[x].comparator	required	QuantityComparator http://hl7.org/fhir/ValueSet/quantity-comparator|4.0.1 from the FHIR Standard
Observation.component:DiastolicBP.dataAbsentReason	extensible	DataAbsentReason http://hl7.org/fhir/ValueSet/data-absent-reason from the FHIR Standard
Observation.component:DiastolicBP.interpretation	extensible	ObservationInterpretationCodes http://hl7.org/fhir/ValueSet/observation-interpretation from the FHIR Standard
Observation.component:MeanBP.code	extensible	VitalSigns http://hl7.org/fhir/ValueSet/observation-vitalsignresult from the FHIR Standard
Observation.component:MeanBP.value[x]	required	VitalSignsUnits http://hl7.org/fhir/ValueSet/ucum-vitals-common|4.0.1 from the FHIR Standard
Observation.component:MeanBP.dataAbsentReason	extensible	DataAbsentReason http://hl7.org/fhir/ValueSet/data-absent-reason from the FHIR Standard
Observation.component:MeanBP.interpretation	extensible	ObservationInterpretationCodes http://hl7.org/fhir/ValueSet/observation-interpretation 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-3	error	Observation.referenceRange	Must have at least a low or a high or text : low.exists() or high.exists() or text.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()
vs-1	error	Observation.effective[x]	if Observation.effective[x] is dateTime and has a value then that value shall be precise to the day : $this is dateTime implies $this.toString().length() >= 10
vs-2	error	Observation	If there is no component or hasMember element then either a value[x] or a data absent reason must be present. : (component.empty() and hasMember.empty()) implies (dataAbsentReason.exists() or value.exists())
vs-3	error	Observation.component, Observation.component:SystolicBP, Observation.component:DiastolicBP, Observation.component:MeanBP	If there is no a value a data absent reason must be present : value.exists() or dataAbsentReason.exists()

Summary

Mandatory: 3 elements (4 nested mandatory elements)
Fixed Value: 2 elements
Prohibited: 1 element

Structures

This structure refers to these other structures:

• FR Core Encounter Profile (https://hl7.fr/ig/fhir/core/StructureDefinition/fr-core-encounter)
• FR Core Patient Profile (https://hl7.fr/ig/fhir/core/StructureDefinition/fr-core-patient)
• FR Core Practitioner Profile (https://hl7.fr/ig/fhir/core/StructureDefinition/fr-core-practitioner)
• FR Core Organization Profile (https://hl7.fr/ig/fhir/core/StructureDefinition/fr-core-organization)
• FR Core Related Person Profile (https://hl7.fr/ig/fhir/core/StructureDefinition/fr-core-related-person)

Extensions

This structure refers to these extensions:

• http://hl7.org/fhir/StructureDefinition/workflow-supportingInfo

Slices

This structure defines the following Slices:

• The element Observation.meta.profile is sliced based on the value of value:$this
• The element Observation.value[x] is sliced based on the value of type:$this
• There is a slice with no discriminator at Observation.component.value[x]
• The element Observation.component.code.coding is sliced based on the values of value:code, value:system

Name	Flags	Card.	Type	Description & Constraints
Observation		0..*	observation-bp	FHIR Blood Pressure Profile
meta
Slices for profile		0..*	canonical(StructureDefinition)	Profiles this resource claims to conform to Slice: Unordered, Open by value:$this
profile:fr-canonical		0..1	canonical(StructureDefinition)	Profiles this resource claims to conform to Required Pattern: https://hl7.fr/ig/fhir/core/StructureDefinition/fr-core-observation-bp
Slices for extension		0..*	Extension	Extension Slice: Unordered, Open by value:url
supportingInfo		0..1	Reference(Resource)	Other information that may be relevant to this event. URL: http://hl7.org/fhir/StructureDefinition/workflow-supportingInfo
code
coding		1..*	Coding	Code defined by a terminology system
encounter		0..1	Reference(FR Core Encounter Profile)	Healthcare event during which this observation is made
effective[x]		1..1	dateTime, Period	Often just a dateTime for Vital Signs
performer		0..*	Reference(CareTeam | FR Core Patient Profile | FR Core Practitioner Profile | PractitionerRole | FR Core Organization Profile | FR Core Related Person Profile)	Who is responsible for the observation
value[x]		0..0
bodySite		0..1	CodeableConcept	Observed body part Binding: http://hl7.org/fhir/hspc/ValueSet/bpMeasBodyLocationPrecoordVS (example)
method		0..1	CodeableConcept	How it was done Binding: https://hl7.fr/ig/fhir/core/ValueSet/fr-core-vs-bp-measurement-method (example)
component:SystolicBP		1..1	BackboneElement	Used when reporting systolic and diastolic blood pressure.
code
coding		1..*	Coding	Systolic Blood Pressure
value[x]		0..1	Quantity	Vital Sign Value recorded with UCUM Slice: Unordered, Open by
referenceRange		0..*	See referenceRange (Observation)	Provides guide for interpretation of component result
component:DiastolicBP		1..1	BackboneElement	Used when reporting diastolic blood pressure.
code
coding		1..*	Coding	Diastolic Blood Pressure
value[x]		0..1	Quantity	Vital Sign Value recorded with UCUM Slice: Unordered, Open by
referenceRange		0..*	See referenceRange (Observation)	Provides guide for interpretation of component result
component:MeanBP		0..1	BackboneElement	Mean blood pressure
code
Slices for coding		1..*	Coding	Code defined by a terminology system Slice: Unordered, Open by value:code, value:system
coding:MBPCode		1..1	Coding	Code defined by a terminology system
system		1..1	uri	Identity of the terminology system Fixed Value: http://loinc.org
code		1..1	code	Mean blood pressure Fixed Value: 8478-0
referenceRange		0..*	See referenceRange (Observation)	Provides guide for interpretation of component result
Documentation for this format

Terminology Bindings (Differential)

Path	Conformance	ValueSet	URI
Observation.bodySite	example	http://hl7.org/fhir/hspc/ValueSet/bpMeasBodyLocationPrecoordVS http://hl7.org/fhir/hspc/ValueSet/bpMeasBodyLocationPrecoordVS
Observation.method	example	https://hl7.fr/ig/fhir/core/ValueSet/fr-core-vs-bp-measurement-method https://hl7.fr/ig/fhir/core/ValueSet/fr-core-vs-bp-measurement-method

Name	Flags	Card.	Type	Description & Constraints
Observation	C	0..*	observation-bp	FHIR Blood Pressure Profile
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
supportingInfo		0..1	Reference(Resource)	Other information that may be relevant to this event. URL: http://hl7.org/fhir/StructureDefinition/workflow-supportingInfo
modifierExtension	?!	0..*	Extension	Extensions that cannot be ignored
status	?!SΣ	1..1	code	registered | preliminary | final | amended + Binding: ObservationStatus (required)
Slices for category	S	1..*	CodeableConcept	Classification of type of observation Slice: Unordered, Open by value:coding.code, value:coding.system Binding: ObservationCategoryCodes (preferred): Codes for high level observation categories.
category:VSCat	S	1..1	CodeableConcept	Classification of type of observation Binding: ObservationCategoryCodes (preferred): Codes for high level observation categories.
coding	SΣ	1..*	Coding	Code defined by a terminology system
system	SΣ	1..1	uri	Identity of the terminology system Fixed Value: http://terminology.hl7.org/CodeSystem/observation-category
code	SΣ	1..1	code	Symbol in syntax defined by the system Fixed Value: vital-signs
code	SΣ	1..1	CodeableConcept	Blood Pressure Binding: VitalSigns (extensible): This identifies the vital sign result type.
Slices for coding	Σ	1..*	Coding	Code defined by a terminology system Slice: Unordered, Open by value:code, value:system
coding:BPCode	Σ	1..1	Coding	Code defined by a terminology system
system	Σ	1..1	uri	Identity of the terminology system Fixed Value: http://loinc.org
code	Σ	1..1	code	Symbol in syntax defined by the system Fixed Value: 85354-9
subject	SΣ	1..1	Reference(Patient)	Who and/or what the observation is about
encounter	Σ	0..1	Reference(FR Core Encounter Profile)	Healthcare event during which this observation is made
effective[x]	SΣC	1..1		Often just a dateTime for Vital Signs
effectiveDateTime			dateTime
effectivePeriod			Period
performer	Σ	0..*	Reference(CareTeam | FR Core Patient Profile | FR Core Practitioner Profile | PractitionerRole | FR Core Organization Profile | FR Core Related Person Profile)	Who is responsible for the observation
dataAbsentReason	SC	0..1	CodeableConcept	Why the result is missing Binding: DataAbsentReason (extensible): Codes specifying why the result (Observation.value[x]) is missing.
bodySite		0..1	CodeableConcept	Observed body part Binding: http://hl7.org/fhir/hspc/ValueSet/bpMeasBodyLocationPrecoordVS (example)
method		0..1	CodeableConcept	How it was done Binding: https://hl7.fr/ig/fhir/core/ValueSet/fr-core-vs-bp-measurement-method (example)
Slices for component	SΣC	2..*	BackboneElement	Used when reporting systolic and diastolic blood pressure. Slice: Unordered, Open by value:code.coding.code, value:code.coding.system
component:All Slices				Content/Rules for all slices
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
code	SΣ	1..1	CodeableConcept	Type of component observation (code / type) Binding: VitalSigns (extensible): This identifies the vital sign result type.
value[x]	SΣC	0..1		Vital Sign Value recorded with UCUM Binding: VitalSignsUnits (required): Common UCUM units for recording Vital Signs.
valueQuantity			Quantity
valueCodeableConcept			CodeableConcept
valueString			string
valueBoolean			boolean
valueInteger			integer
valueRange			Range
valueRatio			Ratio
valueSampledData			SampledData
valueTime			time
valueDateTime			dateTime
valuePeriod			Period
dataAbsentReason	SC	0..1	CodeableConcept	Why the component result is missing Binding: DataAbsentReason (extensible): Codes specifying why the result (Observation.value[x]) is missing.
component:SystolicBP	SΣC	1..1	BackboneElement	Used when reporting systolic and diastolic blood pressure.
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
code	SΣ	1..1	CodeableConcept	Type of component observation (code / type) Binding: VitalSigns (extensible): This identifies the vital sign result type.
Slices for coding	Σ	1..*	Coding	Systolic Blood Pressure Slice: Unordered, Open by value:code, value:system
coding:SBPCode	Σ	1..1	Coding	Systolic Blood Pressure
system	Σ	1..1	uri	Identity of the terminology system Fixed Value: http://loinc.org
code	Σ	1..1	code	Symbol in syntax defined by the system Fixed Value: 8480-6
value[x]	SΣC	0..1	Quantity	Vital Sign Value recorded with UCUM Slice: Unordered, Open by type:$this Binding: VitalSignsUnits (required): Common UCUM units for recording Vital Signs.
value[x]:All Slices				Content/Rules for all slices
value	SΣ	1..1	decimal	Numerical value (with implicit precision)
comparator	?!Σ	0..1	code	< | <= | >= | > - how to understand the value Binding: QuantityComparator (required): How the Quantity should be understood and represented.
unit	SΣ	1..1	string	Unit representation
system	SΣC	1..1	uri	System that defines coded unit form Fixed Value: http://unitsofmeasure.org
code	SΣ	1..1	code	Coded responses from the common UCUM units for vital signs value set. Fixed Value: mm[Hg]
dataAbsentReason	SC	0..1	CodeableConcept	Why the component result is missing Binding: DataAbsentReason (extensible): Codes specifying why the result (Observation.value[x]) is missing.
referenceRange		0..*	See referenceRange (Observation)	Provides guide for interpretation of component result
component:DiastolicBP	SΣC	1..1	BackboneElement	Used when reporting diastolic blood pressure.
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
code	SΣ	1..1	CodeableConcept	Type of component observation (code / type) Binding: VitalSigns (extensible): This identifies the vital sign result type.
Slices for coding	Σ	1..*	Coding	Diastolic Blood Pressure Slice: Unordered, Open by value:code, value:system
coding:DBPCode	Σ	1..1	Coding	Diastolic Blood Pressure
system	Σ	1..1	uri	Identity of the terminology system Fixed Value: http://loinc.org
code	Σ	1..1	code	Symbol in syntax defined by the system Fixed Value: 8462-4
value[x]	SΣC	0..1	Quantity	Vital Sign Value recorded with UCUM Slice: Unordered, Open by type:$this Binding: VitalSignsUnits (required): Common UCUM units for recording Vital Signs.
value[x]:All Slices				Content/Rules for all slices
value	SΣ	1..1	decimal	Numerical value (with implicit precision)
comparator	?!Σ	0..1	code	< | <= | >= | > - how to understand the value Binding: QuantityComparator (required): How the Quantity should be understood and represented.
unit	SΣ	1..1	string	Unit representation
system	SΣC	1..1	uri	System that defines coded unit form Fixed Value: http://unitsofmeasure.org
code	SΣ	1..1	code	Coded responses from the common UCUM units for vital signs value set. Fixed Value: mm[Hg]
dataAbsentReason	SC	0..1	CodeableConcept	Why the component result is missing Binding: DataAbsentReason (extensible): Codes specifying why the result (Observation.value[x]) is missing.
referenceRange		0..*	See referenceRange (Observation)	Provides guide for interpretation of component result
component:MeanBP	SΣC	0..1	BackboneElement	Mean blood pressure
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
code	SΣ	1..1	CodeableConcept	Type of component observation (code / type) Binding: VitalSigns (extensible): This identifies the vital sign result type.
Slices for coding	Σ	1..*	Coding	Code defined by a terminology system Slice: Unordered, Open by value:code, value:system
coding:MBPCode	Σ	1..1	Coding	Code defined by a terminology system
system	Σ	1..1	uri	Identity of the terminology system Fixed Value: http://loinc.org
code	Σ	1..1	code	Mean blood pressure Fixed Value: 8478-0
value[x]	SΣC	0..1		Vital Sign Value recorded with UCUM Binding: VitalSignsUnits (required): Common UCUM units for recording Vital Signs.
valueQuantity			Quantity
valueCodeableConcept			CodeableConcept
valueString			string
valueBoolean			boolean
valueInteger			integer
valueRange			Range
valueRatio			Ratio
valueSampledData			SampledData
valueTime			time
valueDateTime			dateTime
valuePeriod			Period
dataAbsentReason	SC	0..1	CodeableConcept	Why the component result is missing Binding: DataAbsentReason (extensible): Codes specifying why the result (Observation.value[x]) is missing.
referenceRange		0..*	See referenceRange (Observation)	Provides guide for interpretation of component result
Documentation for this format

Terminology Bindings

Path	Conformance	ValueSet	URI
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.category:VSCat	preferred	ObservationCategoryCodes http://hl7.org/fhir/ValueSet/observation-category from the FHIR Standard
Observation.code	extensible	VitalSigns http://hl7.org/fhir/ValueSet/observation-vitalsignresult from the FHIR Standard
Observation.dataAbsentReason	extensible	DataAbsentReason http://hl7.org/fhir/ValueSet/data-absent-reason from the FHIR Standard
Observation.bodySite	example	http://hl7.org/fhir/hspc/ValueSet/bpMeasBodyLocationPrecoordVS http://hl7.org/fhir/hspc/ValueSet/bpMeasBodyLocationPrecoordVS
Observation.method	example	https://hl7.fr/ig/fhir/core/ValueSet/fr-core-vs-bp-measurement-method https://hl7.fr/ig/fhir/core/ValueSet/fr-core-vs-bp-measurement-method
Observation.component.code	extensible	VitalSigns http://hl7.org/fhir/ValueSet/observation-vitalsignresult from the FHIR Standard
Observation.component.value[x]	required	VitalSignsUnits http://hl7.org/fhir/ValueSet/ucum-vitals-common|4.0.1 from the FHIR Standard
Observation.component.dataAbsentReason	extensible	DataAbsentReason http://hl7.org/fhir/ValueSet/data-absent-reason from the FHIR Standard
Observation.component:SystolicBP.code	extensible	VitalSigns http://hl7.org/fhir/ValueSet/observation-vitalsignresult from the FHIR Standard
Observation.component:SystolicBP.value[x]	required	VitalSignsUnits http://hl7.org/fhir/ValueSet/ucum-vitals-common|4.0.1 from the FHIR Standard
Observation.component:SystolicBP.value[x].comparator	required	QuantityComparator http://hl7.org/fhir/ValueSet/quantity-comparator|4.0.1 from the FHIR Standard
Observation.component:SystolicBP.dataAbsentReason	extensible	DataAbsentReason http://hl7.org/fhir/ValueSet/data-absent-reason from the FHIR Standard
Observation.component:DiastolicBP.code	extensible	VitalSigns http://hl7.org/fhir/ValueSet/observation-vitalsignresult from the FHIR Standard
Observation.component:DiastolicBP.value[x]	required	VitalSignsUnits http://hl7.org/fhir/ValueSet/ucum-vitals-common|4.0.1 from the FHIR Standard
Observation.component:DiastolicBP.value[x].comparator	required	QuantityComparator http://hl7.org/fhir/ValueSet/quantity-comparator|4.0.1 from the FHIR Standard
Observation.component:DiastolicBP.dataAbsentReason	extensible	DataAbsentReason http://hl7.org/fhir/ValueSet/data-absent-reason from the FHIR Standard
Observation.component:MeanBP.code	extensible	VitalSigns http://hl7.org/fhir/ValueSet/observation-vitalsignresult from the FHIR Standard
Observation.component:MeanBP.value[x]	required	VitalSignsUnits http://hl7.org/fhir/ValueSet/ucum-vitals-common|4.0.1 from the FHIR Standard
Observation.component:MeanBP.dataAbsentReason	extensible	DataAbsentReason http://hl7.org/fhir/ValueSet/data-absent-reason 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()
vs-1	error	Observation.effective[x]	if Observation.effective[x] is dateTime and has a value then that value shall be precise to the day : $this is dateTime implies $this.toString().length() >= 10
vs-2	error	Observation	If there is no component or hasMember element then either a value[x] or a data absent reason must be present. : (component.empty() and hasMember.empty()) implies (dataAbsentReason.exists() or value.exists())
vs-3	error	Observation.component, Observation.component:SystolicBP, Observation.component:DiastolicBP, Observation.component:MeanBP	If there is no a value a data absent reason must be present : value.exists() or dataAbsentReason.exists()