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Resource Profile: ObservationArmSpanLite

Introduction

The ObservationArmSpanLite profile represents the parameter Arm span and is a profile created from the resource Observation which makes the profile compliant with the FHIR standardized way of communicating vital sign data. Arm span is an observation where a measurement taken of the length from one end of an individual's arm (measured at the fingertips) to the other arm, when raised parallel to the ground with shoulder height at a 90° angle.

Intended Use

The profile ObservationArmSpanLite is used for communicating an entry of a patient's measurement of the length from one end of an individual's arm (measured at the fingertips) to the other arm, when raised parallel to the ground with shoulder height at a 90° angle, by sending a value in the element observation.value.

Read Arm Span

Intended use is in first hand that the API is applied for direct access and should not be used to transfer data between caregivers. If it should be used for copying inbetween care givers patient consent must be handled outside the API.

Specific Rules and Limitations

Statuses

Versions

Supported Operations

Query Operations

Supported Queries

1. GET [baseURL]/Observation/_search?patient=&code= (search)

Error Codes

In the table below, a few error messages specific for observations are listed.

The profile ObservationArmspanLite is used for communicating an entry of a patients arms span by sending a value in the element observation.value. The API can be used to read patient armspan information from COSMIC.

Usages:

• Examples for this Profile: Observation/95047

You can also check for usages in the FHIR IG Statistics

Formal Views of Profile Content

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

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

Name	Flags	Card.	Type	Description & Constraints    Filter: Bindings Constraints Obligations
Observation	C	0..*	ObservationArmSpanCore	Measurements and simple assertions Constraints: obs-6, obs-7
modifierExtension	?!	0..*	Extension	Extensions that cannot be ignored
status	?!Σ	1..1	code	registered | preliminary | final | amended + Binding: VitalSignStatus (required): The status of th result value. FHIR - Cambio preliminary -> unsigned final -> signed and completednonSignable entered in error -> invalidated cancelled -> removed amended -> resigned
code	Σ	1..1	CodeableConcept	Type of observation (code / type) Binding: LOINCCodes (example): Codes identifying names of simple observations.
coding	Σ	1..1	Coding	Code defined by a terminology system
system	Σ	1..1	uri	Identity of the terminology system Fixed Value: http://snomed.info/sct
code	Σ	1..1	code	Symbol in syntax defined by the system Fixed Value: 456701000124107
display	Σ	0..1	string	Arm span as the longest distance between the fingertips Fixed Value: Arm span
subject	Σ	1..1	Reference(Patient)	Who and/or what the observation is about
effective[x]	Σ	1..1	dateTime	Clinically relevant time/time-period for observation
Slices for performer	Σ	1..2	Reference(Practitioner | PractitionerRole | Organization | CareTeam | Patient | RelatedPerson)	Who is responsible for the observation Slice: Unordered, Open by type:$this
performer:patient	Σ	0..2	Reference(Patient)	Who is responsible for the observation
performer:organization	Σ	0..2	Reference(Organization)	Who is responsible for the observation
performer:practitionerRole	Σ	0..2	Reference(PractitionerRoleLiteSe)	Who is responsible for the observation
performer:practitioner	Σ	0..2	Reference(Practitioner)	Who is responsible for the observation
Documentation for this format

Terminology Bindings

Path	Conformance	ValueSet	URI
Observation.status	required	VitalSignStatus https://cambio.codes/fhir/vs/vital-sign-status/v1 From this IG
Observation.code	example	LOINCCodes(a valid code from LOINC) http://hl7.org/fhir/ValueSet/observation-codes From the FHIR Standard
Observation.component.code	example	LOINCCodes(a valid code from LOINC) http://hl7.org/fhir/ValueSet/observation-codes From the FHIR Standard

Constraints

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

This structure is derived from ObservationArmSpanCore

Name	Flags	Card.	Type	Description & Constraints    Filter: Bindings Constraints Obligations
Observation		0..*	ObservationArmSpanCore	Measurements and simple assertions
implicitRules		0..0
language		0..0
text		0..0
basedOn		0..0
partOf		0..0
status		1..1	code	registered | preliminary | final | amended + Binding: VitalSignStatus (required): The status of th result value. FHIR - Cambio preliminary -> unsigned final -> signed and completednonSignable entered in error -> invalidated cancelled -> removed amended -> resigned
category		0..0
focus		0..0
issued		0..0
performer		1..2	Reference(Practitioner | PractitionerRole | Organization | CareTeam | Patient | RelatedPerson)	Who is responsible for the observation
Slices for performer				Content/Rules for all slices
performer:patient		0..2	Reference(Patient)	Who is responsible for the observation
performer:organization		0..2	Reference(Organization)	Who is responsible for the observation
performer:practitionerRole		0..2	Reference(PractitionerRoleLiteSe)	Who is responsible for the observation
performer:practitioner		0..2	Reference(Practitioner)	Who is responsible for the observation
value[x]
unit		1..1	string	centimeters Fixed Value: cm
code		1..1	code	Coded form of the unit Fixed Value: cm
dataAbsentReason
coding		1..1	Coding	Code defined by a terminology system
system		1..1	uri	Identity of the terminology system Fixed Value: http://terminology.hl7.org/CodeSystem/data-absent-reason
code		1..1	code	System isn't capable of supporting this element Fixed Value: unsupported
interpretation		0..0
bodySite		0..0
method		0..0
specimen		0..0
device		0..0
referenceRange		0..0
hasMember		0..0
derivedFrom		0..0
component		0..0
Documentation for this format

Terminology Bindings (Differential)

Path	Conformance	ValueSet	URI
Observation.status	required	VitalSignStatus https://cambio.codes/fhir/vs/vital-sign-status/v1 From this IG

Name	Flags	Card.	Type	Description & Constraints    Filter: Bindings Constraints Obligations
Observation	C	0..*	ObservationArmSpanCore	Measurements and simple assertions Constraints: obs-6, obs-7
id	Σ	0..1	id	Logical id of this artifact
meta	Σ	0..1	Meta	Metadata about the resource
contained		0..*	Resource	Contained, inline Resources
extension		0..*	Extension	Additional content defined by implementations
modifierExtension	?!	0..*	Extension	Extensions that cannot be ignored
identifier	Σ	0..*	Identifier	Business Identifier for observation
status	?!Σ	1..1	code	registered | preliminary | final | amended + Binding: VitalSignStatus (required): The status of th result value. FHIR - Cambio preliminary -> unsigned final -> signed and completednonSignable entered in error -> invalidated cancelled -> removed amended -> resigned
code	Σ	1..1	CodeableConcept	Type of observation (code / type) Binding: LOINCCodes (example): Codes identifying names of simple observations.
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	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://snomed.info/sct
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: 456701000124107
display	Σ	0..1	string	Arm span as the longest distance between the fingertips Fixed Value: Arm span
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	Σ	1..1	Reference(Patient)	Who and/or what the observation is about
encounter	Σ	0..1	Reference(Encounter)	Healthcare event during which this observation is made
effective[x]	Σ	1..1	dateTime	Clinically relevant time/time-period for observation
Slices for performer	Σ	1..2	Reference(Practitioner | PractitionerRole | Organization | CareTeam | Patient | RelatedPerson)	Who is responsible for the observation Slice: Unordered, Open by type:$this
performer:patient	Σ	0..2	Reference(Patient)	Who is responsible for the observation
performer:organization	Σ	0..2	Reference(Organization)	Who is responsible for the observation
performer:practitionerRole	Σ	0..2	Reference(PractitionerRoleLiteSe)	Who is responsible for the observation
performer:practitioner	Σ	0..2	Reference(Practitioner)	Who is responsible for the observation
value[x]	ΣC	0..1	Quantity	Actual result
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	Σ	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	Σ	1..1	string	centimeters Fixed Value: cm
system	ΣC	1..1	uri	System that defines coded unit form Fixed Value: http://unitsofmeasure.org
code	Σ	1..1	code	Coded form of the unit Binding: BodyLengthUnits (required) Fixed Value: cm
dataAbsentReason	C	0..1	CodeableConcept	Why the result is missing Binding: DataAbsentReason (extensible): Codes specifying why the result (Observation.value[x]) is missing.
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	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://terminology.hl7.org/CodeSystem/data-absent-reason
version	Σ	0..1	string	Version of the system - if relevant
code	Σ	1..1	code	System isn't capable of supporting this element Fixed Value: unsupported
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
note		0..*	Annotation	Comments about the observation
Documentation for this format

Terminology Bindings

Path	Conformance	ValueSet / Code	URI
Observation.status	required	VitalSignStatus https://cambio.codes/fhir/vs/vital-sign-status/v1 From this IG
Observation.code	example	LOINCCodes(a valid code from LOINC) http://hl7.org/fhir/ValueSet/observation-codes From the FHIR Standard
Observation.value[x].comparator	required	QuantityComparator http://hl7.org/fhir/ValueSet/quantity-comparator|4.0.1 From the FHIR Standard
Observation.value[x].code	required	Fixed Value: cm http://hl7.org/fhir/ValueSet/ucum-bodylength|4.0.1 From the FHIR Standard
Observation.dataAbsentReason	extensible	DataAbsentReason http://hl7.org/fhir/ValueSet/data-absent-reason From the FHIR Standard
Observation.referenceRange.type	preferred	ObservationReferenceRangeMeaningCodes http://hl7.org/fhir/ValueSet/referencerange-meaning From the FHIR Standard
Observation.referenceRange.appliesTo	example	ObservationReferenceRangeAppliesToCodes http://hl7.org/fhir/ValueSet/referencerange-appliesto From the FHIR Standard
Observation.component.code	example	LOINCCodes(a valid code from LOINC) http://hl7.org/fhir/ValueSet/observation-codes From the FHIR Standard
Observation.component.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

Constraints

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

This structure is derived from ObservationArmSpanCore

Summary

Mandatory: 1 element(3 nested mandatory elements)
Fixed: 4 elements
Prohibited: 17 elements

Key Elements View

Name	Flags	Card.	Type	Description & Constraints    Filter: Bindings Constraints Obligations
Observation	C	0..*	ObservationArmSpanCore	Measurements and simple assertions Constraints: obs-6, obs-7
modifierExtension	?!	0..*	Extension	Extensions that cannot be ignored
status	?!Σ	1..1	code	registered | preliminary | final | amended + Binding: VitalSignStatus (required): The status of th result value. FHIR - Cambio preliminary -> unsigned final -> signed and completednonSignable entered in error -> invalidated cancelled -> removed amended -> resigned
code	Σ	1..1	CodeableConcept	Type of observation (code / type) Binding: LOINCCodes (example): Codes identifying names of simple observations.
coding	Σ	1..1	Coding	Code defined by a terminology system
system	Σ	1..1	uri	Identity of the terminology system Fixed Value: http://snomed.info/sct
code	Σ	1..1	code	Symbol in syntax defined by the system Fixed Value: 456701000124107
display	Σ	0..1	string	Arm span as the longest distance between the fingertips Fixed Value: Arm span
subject	Σ	1..1	Reference(Patient)	Who and/or what the observation is about
effective[x]	Σ	1..1	dateTime	Clinically relevant time/time-period for observation
Slices for performer	Σ	1..2	Reference(Practitioner | PractitionerRole | Organization | CareTeam | Patient | RelatedPerson)	Who is responsible for the observation Slice: Unordered, Open by type:$this
performer:patient	Σ	0..2	Reference(Patient)	Who is responsible for the observation
performer:organization	Σ	0..2	Reference(Organization)	Who is responsible for the observation
performer:practitionerRole	Σ	0..2	Reference(PractitionerRoleLiteSe)	Who is responsible for the observation
performer:practitioner	Σ	0..2	Reference(Practitioner)	Who is responsible for the observation
Documentation for this format

Terminology Bindings

Path	Conformance	ValueSet	URI
Observation.status	required	VitalSignStatus https://cambio.codes/fhir/vs/vital-sign-status/v1 From this IG
Observation.code	example	LOINCCodes(a valid code from LOINC) http://hl7.org/fhir/ValueSet/observation-codes From the FHIR Standard
Observation.component.code	example	LOINCCodes(a valid code from LOINC) http://hl7.org/fhir/ValueSet/observation-codes From the FHIR Standard

Constraints

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

Differential View

This structure is derived from ObservationArmSpanCore

Name	Flags	Card.	Type	Description & Constraints    Filter: Bindings Constraints Obligations
Observation		0..*	ObservationArmSpanCore	Measurements and simple assertions
implicitRules		0..0
language		0..0
text		0..0
basedOn		0..0
partOf		0..0
status		1..1	code	registered | preliminary | final | amended + Binding: VitalSignStatus (required): The status of th result value. FHIR - Cambio preliminary -> unsigned final -> signed and completednonSignable entered in error -> invalidated cancelled -> removed amended -> resigned
category		0..0
focus		0..0
issued		0..0
performer		1..2	Reference(Practitioner | PractitionerRole | Organization | CareTeam | Patient | RelatedPerson)	Who is responsible for the observation
Slices for performer				Content/Rules for all slices
performer:patient		0..2	Reference(Patient)	Who is responsible for the observation
performer:organization		0..2	Reference(Organization)	Who is responsible for the observation
performer:practitionerRole		0..2	Reference(PractitionerRoleLiteSe)	Who is responsible for the observation
performer:practitioner		0..2	Reference(Practitioner)	Who is responsible for the observation
value[x]
unit		1..1	string	centimeters Fixed Value: cm
code		1..1	code	Coded form of the unit Fixed Value: cm
dataAbsentReason
coding		1..1	Coding	Code defined by a terminology system
system		1..1	uri	Identity of the terminology system Fixed Value: http://terminology.hl7.org/CodeSystem/data-absent-reason
code		1..1	code	System isn't capable of supporting this element Fixed Value: unsupported
interpretation		0..0
bodySite		0..0
method		0..0
specimen		0..0
device		0..0
referenceRange		0..0
hasMember		0..0
derivedFrom		0..0
component		0..0
Documentation for this format

Terminology Bindings (Differential)

Path	Conformance	ValueSet	URI
Observation.status	required	VitalSignStatus https://cambio.codes/fhir/vs/vital-sign-status/v1 From this IG

Snapshot View

Name	Flags	Card.	Type	Description & Constraints    Filter: Bindings Constraints Obligations
Observation	C	0..*	ObservationArmSpanCore	Measurements and simple assertions Constraints: obs-6, obs-7
id	Σ	0..1	id	Logical id of this artifact
meta	Σ	0..1	Meta	Metadata about the resource
contained		0..*	Resource	Contained, inline Resources
extension		0..*	Extension	Additional content defined by implementations
modifierExtension	?!	0..*	Extension	Extensions that cannot be ignored
identifier	Σ	0..*	Identifier	Business Identifier for observation
status	?!Σ	1..1	code	registered | preliminary | final | amended + Binding: VitalSignStatus (required): The status of th result value. FHIR - Cambio preliminary -> unsigned final -> signed and completednonSignable entered in error -> invalidated cancelled -> removed amended -> resigned
code	Σ	1..1	CodeableConcept	Type of observation (code / type) Binding: LOINCCodes (example): Codes identifying names of simple observations.
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	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://snomed.info/sct
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: 456701000124107
display	Σ	0..1	string	Arm span as the longest distance between the fingertips Fixed Value: Arm span
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	Σ	1..1	Reference(Patient)	Who and/or what the observation is about
encounter	Σ	0..1	Reference(Encounter)	Healthcare event during which this observation is made
effective[x]	Σ	1..1	dateTime	Clinically relevant time/time-period for observation
Slices for performer	Σ	1..2	Reference(Practitioner | PractitionerRole | Organization | CareTeam | Patient | RelatedPerson)	Who is responsible for the observation Slice: Unordered, Open by type:$this
performer:patient	Σ	0..2	Reference(Patient)	Who is responsible for the observation
performer:organization	Σ	0..2	Reference(Organization)	Who is responsible for the observation
performer:practitionerRole	Σ	0..2	Reference(PractitionerRoleLiteSe)	Who is responsible for the observation
performer:practitioner	Σ	0..2	Reference(Practitioner)	Who is responsible for the observation
value[x]	ΣC	0..1	Quantity	Actual result
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	Σ	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	Σ	1..1	string	centimeters Fixed Value: cm
system	ΣC	1..1	uri	System that defines coded unit form Fixed Value: http://unitsofmeasure.org
code	Σ	1..1	code	Coded form of the unit Binding: BodyLengthUnits (required) Fixed Value: cm
dataAbsentReason	C	0..1	CodeableConcept	Why the result is missing Binding: DataAbsentReason (extensible): Codes specifying why the result (Observation.value[x]) is missing.
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	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://terminology.hl7.org/CodeSystem/data-absent-reason
version	Σ	0..1	string	Version of the system - if relevant
code	Σ	1..1	code	System isn't capable of supporting this element Fixed Value: unsupported
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
note		0..*	Annotation	Comments about the observation
Documentation for this format

Terminology Bindings

Path	Conformance	ValueSet / Code	URI
Observation.status	required	VitalSignStatus https://cambio.codes/fhir/vs/vital-sign-status/v1 From this IG
Observation.code	example	LOINCCodes(a valid code from LOINC) http://hl7.org/fhir/ValueSet/observation-codes From the FHIR Standard
Observation.value[x].comparator	required	QuantityComparator http://hl7.org/fhir/ValueSet/quantity-comparator|4.0.1 From the FHIR Standard
Observation.value[x].code	required	Fixed Value: cm http://hl7.org/fhir/ValueSet/ucum-bodylength|4.0.1 From the FHIR Standard
Observation.dataAbsentReason	extensible	DataAbsentReason http://hl7.org/fhir/ValueSet/data-absent-reason From the FHIR Standard
Observation.referenceRange.type	preferred	ObservationReferenceRangeMeaningCodes http://hl7.org/fhir/ValueSet/referencerange-meaning From the FHIR Standard
Observation.referenceRange.appliesTo	example	ObservationReferenceRangeAppliesToCodes http://hl7.org/fhir/ValueSet/referencerange-appliesto From the FHIR Standard
Observation.component.code	example	LOINCCodes(a valid code from LOINC) http://hl7.org/fhir/ValueSet/observation-codes From the FHIR Standard
Observation.component.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

Constraints

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

This structure is derived from ObservationArmSpanCore

Summary

Mandatory: 1 element(3 nested mandatory elements)
Fixed: 4 elements
Prohibited: 17 elements

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