Name	Flags	Card.	Type	Description & Constraints    Filter: Bindings Constraints Obligations
Observation	C	0..*	Observation	Measurements and simple assertions Constraints: obs-6, obs-7
meta	Σ	1..1	Meta	Metadata about the resource
profile	SΣ	1..1	canonical(StructureDefinition)	本プロファイルを識別するURLとバージョンを指定する。http://e-path.jp/fhir/ePath/StructureDefinition/EPathObservationEvaluation|x.y.z を設定する。
implicitRules	?!Σ	0..1	uri	A set of rules under which this content was created
modifierExtension	?!	0..*	Extension	Extensions that cannot be ignored
Slices for identifier	Σ	1..*	Identifier	Business Identifier for observation Slice: Unordered, Open by value:system
identifier:evaluationId	SΣ	0..*	Identifier	リソース一意識別子（評価）
use	?!Σ	0..1	code	usual | official | temp | secondary | old (If known) Binding: IdentifierUse (required): Identifies the purpose for this identifier, if known .
system	Σ	1..1	uri	固定値 http://e-path.jp/fhir/ePath/IdSystem/observation-evaluation-id を設定する。 Fixed Value: http://e-path.jp/fhir/ePath/IdSystem/observation-evaluation-id
value	SΣ	1..1	string	評価を通して、一意の識別子を設定する。 Example General: 123456
status	?!Σ	1..1	code	registered | preliminary | final | amended + Binding: ObservationStatus (required): Codes providing the status of an observation.
code	SΣ	1..1	CodeableConcept	Type of observation (code / type) Binding: LOINCCodes (example): Codes identifying names of simple observations.
coding	SΣ	1..1	Coding	Code defined by a terminology system Binding: EPath EvaluationItem VS (required)
system	Σ	1..1	uri	Identity of the terminology system Fixed Value: http://e-path.jp/fhir/ePath/CodeSystem/EPathEvaluationItemCS
code	SΣ	1..1	code	Symbol in syntax defined by the system
subject	Σ	0..1	Reference(Patient | Group | Device | Location)	パスを適用する患者リソース（Patient）への参照
effective[x]	SΣ	0..1	dateTime	評価日時
performer	SΣ	0..*	Reference(EPath Practitioner | EPath PractitionerRole)	評価者、評価者職種
type	Σ	1..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).
display	SΣ	1..1	string	Text alternative for the resource
Slices for value[x]	SΣC	0..1		総合評価などを設定する。 Slice: Unordered, Open by type:$this
valueQuantity			Quantity
valueCodeableConcept			CodeableConcept
valueString			string
valueBoolean			boolean
valueInteger			integer
valueRange			Range
valueRatio			Ratio
valueSampledData			SampledData
valueTime			time
valueDateTime			dateTime
valuePeriod			Period
value[x]:valueString	SΣC	0..1	string	Actual result
value[x]:valueCodeableConcept	SΣC	0..1	CodeableConcept	評価などを設定する。 Binding: EPath StateOfAchievement VS (example)
derivedFrom	Σ	0..*	Reference(QuestionnaireResponse)	評価の派生元
identifier	SΣ	0..1	Identifier	入力フォーム回答の識別子
use	?!Σ	0..1	code	usual | official | temp | secondary | old (If known) Binding: IdentifierUse (required): Identifies the purpose for this identifier, if known .
system	Σ	1..1	uri	固定値 http://e-path.jp/fhir/ePath/IdSystem/quis-response-id を設定する。 Fixed Value: http://e-path.jp/fhir/ePath/IdSystem/quis-response-id
value	SΣ	1..1	string	The value that is unique Example General: 123456
Slices for component	Σ	0..*	BackboneElement	Component results Slice: Unordered, Open by value:code.coding.code
component:All Slices				Content/Rules for all slices
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
code	Σ	1..1	CodeableConcept	Type of component observation (code / type) Binding: LOINCCodes (example): Codes identifying names of simple observations.
component:subjective	Σ	0..1	BackboneElement	SOAP：S
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
code	SΣ	1..1	CodeableConcept	Type of component observation (code / type) Binding: LOINCCodes (example): Codes identifying names of simple observations.
coding	SΣ	1..1	Coding	Code defined by a terminology system Binding: EPath EvaluationItem VS (required)
system	Σ	1..1	uri	Identity of the terminology system Fixed Value: http://e-path.jp/fhir/ePath/CodeSystem/EPathEvaluationItemCS
code	SΣ	1..1	code	Symbol in syntax defined by the system Fixed Value: S
value[x]	SΣ	1..1	string	Actual component result
component:objective	Σ	0..1	BackboneElement	SOAP：O
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
code	SΣ	1..1	CodeableConcept	Type of component observation (code / type) Binding: LOINCCodes (example): Codes identifying names of simple observations.
coding	SΣ	1..1	Coding	Code defined by a terminology system Binding: EPath EvaluationItem VS (required)
system	Σ	1..1	uri	Identity of the terminology system Fixed Value: http://e-path.jp/fhir/ePath/CodeSystem/EPathEvaluationItemCS
code	Σ	1..1	code	Symbol in syntax defined by the system Fixed Value: O
value[x]	SΣ	1..1	string	Actual component result
component:plan	Σ	0..1	BackboneElement	SOAP：P
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
code	SΣ	1..1	CodeableConcept	Type of component observation (code / type) Binding: LOINCCodes (example): Codes identifying names of simple observations.
coding	SΣ	1..1	Coding	Code defined by a terminology system Binding: EPath EvaluationItem VS (required)
system	Σ	1..1	uri	Identity of the terminology system Fixed Value: http://e-path.jp/fhir/ePath/CodeSystem/EPathEvaluationItemCS
code	Σ	1..1	code	Symbol in syntax defined by the system Fixed Value: P
value[x]	SΣ	0..1	string	Actual component result
component:action	Σ	0..1	BackboneElement	SOAP：A
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
code	SΣ	1..1	CodeableConcept	Type of component observation (code / type) Binding: LOINCCodes (example): Codes identifying names of simple observations.
coding	SΣ	1..1	Coding	Code defined by a terminology system Binding: EPath EvaluationItem VS (required)
system	Σ	1..1	uri	Identity of the terminology system Fixed Value: http://e-path.jp/fhir/ePath/CodeSystem/EPathEvaluationItemCS
code	Σ	1..1	code	Symbol in syntax defined by the system Fixed Value: A
value[x]	SΣ	0..1	string	Actual component result
Documentation for this format

Terminology Bindings

Path	Status	Usage	ValueSet	Version	Source
Observation.identifier:evaluationId.​use	Base	required	IdentifierUse	📍4.0.1	FHIR Std.
Observation.status	Base	required	ObservationStatus	📍4.0.1	FHIR Std.
Observation.code	Base	example	LOINC Codes	📍4.0.1	FHIR Std.
Observation.code.coding	Base	required	EPath EvaluationItem VS	📦1.0.1	This IG
Observation.performer.​type	Base	extensible	ResourceType	📍4.0.1	FHIR Std.
Observation.value[x]:valueCodeableConcept	Base	example	EPath StateOfAchievement VS	📦1.0.1	This IG
Observation.derivedFrom.​identifier.use	Base	required	IdentifierUse	📍4.0.1	FHIR Std.
Observation.component.​code	Base	example	LOINC Codes	📍4.0.1	FHIR Std.
Observation.component:subjective.​code	Base	example	LOINC Codes	📍4.0.1	FHIR Std.
Observation.component:subjective.​code.coding	Base	required	EPath EvaluationItem VS	📦1.0.1	This IG
Observation.component:objective.​code	Base	example	LOINC Codes	📍4.0.1	FHIR Std.
Observation.component:objective.​code.coding	Base	required	EPath EvaluationItem VS	📦1.0.1	This IG
Observation.component:plan.​code	Base	example	LOINC Codes	📍4.0.1	FHIR Std.
Observation.component:plan.​code.coding	Base	required	EPath EvaluationItem VS	📦1.0.1	This IG
Observation.component:action.​code	Base	example	LOINC Codes	📍4.0.1	FHIR Std.
Observation.component:action.​code.coding	Base	required	EPath EvaluationItem VS	📦1.0.1	This IG

Constraints

Id	Grade	Path(s)	Description	Expression
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()

Name	Flags	Card.	Type	Description & Constraints    Filter: Bindings Constraints Obligations
Observation			Observation
meta		1..1	Meta	Metadata about the resource
profile	S	1..1	canonical(StructureDefinition)	本プロファイルを識別するURLとバージョンを指定する。http://e-path.jp/fhir/ePath/StructureDefinition/EPathObservationEvaluation|x.y.z を設定する。
Slices for identifier		1..*	Identifier	Business Identifier for observation Slice: Unordered, Open by value:system
identifier:evaluationId	S	0..*	Identifier	リソース一意識別子（評価）
system		1..1	uri	固定値 http://e-path.jp/fhir/ePath/IdSystem/observation-evaluation-id を設定する。 Fixed Value: http://e-path.jp/fhir/ePath/IdSystem/observation-evaluation-id
value	S	1..1	string	評価を通して、一意の識別子を設定する。
code	S	1..1	CodeableConcept	Type of observation (code / type)
coding	S	1..1	Coding	Code defined by a terminology system Binding: EPath EvaluationItem VS (required)
system		1..1	uri	Identity of the terminology system Fixed Value: http://e-path.jp/fhir/ePath/CodeSystem/EPathEvaluationItemCS
code	S	1..1	code	Symbol in syntax defined by the system
subject		0..1	Reference(Patient | Group | Device | Location)	パスを適用する患者リソース（Patient）への参照
effective[x]	S	0..1	dateTime	評価日時
performer	S	0..*	Reference(EPath Practitioner | EPath PractitionerRole)	評価者、評価者職種
type		1..1	uri	Type the reference refers to (e.g. "Patient")
display	S	1..1	string	Text alternative for the resource
Slices for value[x]	S	0..1	Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period	総合評価などを設定する。 Slice: Unordered, Open by type:$this
value[x]:valueString	S	0..1	string	Actual result
value[x]:valueCodeableConcept	S	0..1	CodeableConcept	評価などを設定する。 Binding: EPath StateOfAchievement VS (example)
derivedFrom		0..*	Reference(QuestionnaireResponse)	評価の派生元
identifier	S	0..1	Identifier	入力フォーム回答の識別子
system		1..1	uri	固定値 http://e-path.jp/fhir/ePath/IdSystem/quis-response-id を設定する。 Fixed Value: http://e-path.jp/fhir/ePath/IdSystem/quis-response-id
value	S	1..1	string	The value that is unique
Slices for component		0..*	BackboneElement	Component results Slice: Unordered, Open by value:code.coding.code
component:subjective		0..1	BackboneElement	SOAP：S
code	S	1..1	CodeableConcept	Type of component observation (code / type)
coding	S	1..1	Coding	Code defined by a terminology system Binding: EPath EvaluationItem VS (required)
system		1..1	uri	Identity of the terminology system Fixed Value: http://e-path.jp/fhir/ePath/CodeSystem/EPathEvaluationItemCS
code	S	1..1	code	Symbol in syntax defined by the system Fixed Value: S
value[x]	S	1..1	string	Actual component result
component:objective		0..1	BackboneElement	SOAP：O
code	S	1..1	CodeableConcept	Type of component observation (code / type)
coding	S	1..1	Coding	Code defined by a terminology system Binding: EPath EvaluationItem VS (required)
system		1..1	uri	Identity of the terminology system Fixed Value: http://e-path.jp/fhir/ePath/CodeSystem/EPathEvaluationItemCS
code		1..1	code	Symbol in syntax defined by the system Fixed Value: O
value[x]	S	1..1	string	Actual component result
component:plan		0..1	BackboneElement	SOAP：P
code	S	1..1	CodeableConcept	Type of component observation (code / type)
coding	S	1..1	Coding	Code defined by a terminology system Binding: EPath EvaluationItem VS (required)
system		1..1	uri	Identity of the terminology system Fixed Value: http://e-path.jp/fhir/ePath/CodeSystem/EPathEvaluationItemCS
code		1..1	code	Symbol in syntax defined by the system Fixed Value: P
value[x]	S	0..1	string	Actual component result
component:action		0..1	BackboneElement	SOAP：A
code	S	1..1	CodeableConcept	Type of component observation (code / type)
coding	S	1..1	Coding	Code defined by a terminology system Binding: EPath EvaluationItem VS (required)
system		1..1	uri	Identity of the terminology system Fixed Value: http://e-path.jp/fhir/ePath/CodeSystem/EPathEvaluationItemCS
code		1..1	code	Symbol in syntax defined by the system Fixed Value: A
value[x]	S	0..1	string	Actual component result
Documentation for this format

Terminology Bindings (Differential)

Path	Status	Usage	ValueSet	Version	Source
Observation.code.coding	Base	required	EPath EvaluationItem VS	📦1.0.1	This IG
Observation.value[x]:valueCodeableConcept	Base	example	EPath StateOfAchievement VS	📦1.0.1	This IG
Observation.component:subjective.​code.coding	Base	required	EPath EvaluationItem VS	📦1.0.1	This IG
Observation.component:objective.​code.coding	Base	required	EPath EvaluationItem VS	📦1.0.1	This IG
Observation.component:plan.​code.coding	Base	required	EPath EvaluationItem VS	📦1.0.1	This IG
Observation.component:action.​code.coding	Base	required	EPath EvaluationItem VS	📦1.0.1	This IG

Name	Flags	Card.	Type	Description & Constraints    Filter: Bindings Constraints Obligations
Observation	C	0..*	Observation	Measurements and simple assertions Constraints: obs-6, obs-7
id	Σ	0..1	id	Logical id of this artifact
meta	Σ	1..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
profile	SΣ	1..1	canonical(StructureDefinition)	本プロファイルを識別するURLとバージョンを指定する。http://e-path.jp/fhir/ePath/StructureDefinition/EPathObservationEvaluation|x.y.z を設定する。
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 This profile does not constrain the narrative in regard to content, language, or traceability to data elements
contained		0..*	Resource	Contained, inline Resources
extension		0..*	Extension	Additional content defined by implementations
modifierExtension	?!	0..*	Extension	Extensions that cannot be ignored
Slices for identifier	Σ	1..*	Identifier	Business Identifier for observation Slice: Unordered, Open by value:system
identifier:evaluationId	SΣ	0..*	Identifier	リソース一意識別子（評価）
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
use	?!Σ	0..1	code	usual | official | temp | secondary | old (If known) Binding: IdentifierUse (required): Identifies the purpose for this identifier, if known .
type	Σ	0..1	CodeableConcept	Description of identifier Binding: Identifier Type Codes (extensible): A coded type for an identifier that can be used to determine which identifier to use for a specific purpose.
system	Σ	1..1	uri	固定値 http://e-path.jp/fhir/ePath/IdSystem/observation-evaluation-id を設定する。 Fixed Value: http://e-path.jp/fhir/ePath/IdSystem/observation-evaluation-id
value	SΣ	1..1	string	評価を通して、一意の識別子を設定する。 Example General: 123456
period	Σ	0..1	Period	Time period when id is/was valid for use
assigner	Σ	0..1	Reference(Organization)	Organization that issued id (may be just text)
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	?!Σ	1..1	code	registered | preliminary | final | amended + Binding: ObservationStatus (required): Codes providing the status of an observation.
category		0..*	CodeableConcept	Classification of type of observation Binding: ObservationCategoryCodes (preferred): Codes for high level observation categories.
code	SΣ	1..1	CodeableConcept	Type of observation (code / type) Binding: LOINCCodes (example): Codes identifying names of simple observations.
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..1	Coding	Code defined by a terminology system Binding: EPath EvaluationItem VS (required)
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://e-path.jp/fhir/ePath/CodeSystem/EPathEvaluationItemCS
version	Σ	0..1	string	Version of the system - if relevant
code	SΣ	1..1	code	Symbol in syntax defined by the system
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	Σ	0..1	Reference(Patient | Group | Device | Location)	パスを適用する患者リソース（Patient）への参照
focus	Σ	0..*	Reference(Resource)	What the observation is about, when it is not about the subject of record
encounter	Σ	0..1	Reference(Encounter)	Healthcare event during which this observation is made
effective[x]	SΣ	0..1	dateTime	評価日時
issued	Σ	0..1	instant	Date/Time this version was made available
performer	SΣ	0..*	Reference(EPath Practitioner | EPath PractitionerRole)	評価者、評価者職種
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	1..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	Σ	0..1	Identifier	Logical reference, when literal reference is not known
display	SΣ	1..1	string	Text alternative for the resource
Slices for value[x]	SΣC	0..1		総合評価などを設定する。 Slice: Unordered, Open by type:$this
valueQuantity			Quantity
valueCodeableConcept			CodeableConcept
valueString			string
valueBoolean			boolean
valueInteger			integer
valueRange			Range
valueRatio			Ratio
valueSampledData			SampledData
valueTime			time
valueDateTime			dateTime
valuePeriod			Period
value[x]:valueString	SΣC	0..1	string	Actual result
value[x]:valueCodeableConcept	SΣC	0..1	CodeableConcept	評価などを設定する。 Binding: EPath StateOfAchievement VS (example)
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 (example): Codes describing anatomical locations. May include laterality.
method		0..1	CodeableConcept	How it was done Binding: ObservationMethods (example): Methods for simple observations.
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 Constraints: obs-3
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(4.0.1)	Low Range, if relevant
high	C	0..1	SimpleQuantity(4.0.1)	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(Observation | QuestionnaireResponse | MolecularSequence)	Related resource that belongs to the Observation group
derivedFrom	Σ	0..*	Reference(QuestionnaireResponse)	評価の派生元
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	SΣ	0..1	Identifier	入力フォーム回答の識別子
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
use	?!Σ	0..1	code	usual | official | temp | secondary | old (If known) Binding: IdentifierUse (required): Identifies the purpose for this identifier, if known .
type	Σ	0..1	CodeableConcept	Description of identifier Binding: Identifier Type Codes (extensible): A coded type for an identifier that can be used to determine which identifier to use for a specific purpose.
system	Σ	1..1	uri	固定値 http://e-path.jp/fhir/ePath/IdSystem/quis-response-id を設定する。 Fixed Value: http://e-path.jp/fhir/ePath/IdSystem/quis-response-id
value	SΣ	1..1	string	The value that is unique Example General: 123456
period	Σ	0..1	Period	Time period when id is/was valid for use
assigner	Σ	0..1	Reference(Organization)	Organization that issued id (may be just text)
display	Σ	0..1	string	Text alternative for the resource
Slices for component	Σ	0..*	BackboneElement	Component results Slice: Unordered, Open by value:code.coding.code
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	Σ	1..1	CodeableConcept	Type of component observation (code / type) Binding: LOINCCodes (example): Codes identifying names of simple observations.
value[x]	Σ	0..1		Actual component result
valueQuantity			Quantity
valueCodeableConcept			CodeableConcept
valueString			string
valueBoolean			boolean
valueInteger			integer
valueRange			Range
valueRatio			Ratio
valueSampledData			SampledData
valueTime			time
valueDateTime			dateTime
valuePeriod			Period
dataAbsentReason	C	0..1	CodeableConcept	Why the component result is missing Binding: DataAbsentReason (extensible): Codes specifying why the result (Observation.value[x]) is missing.
interpretation		0..*	CodeableConcept	High, low, normal, etc. Binding: ObservationInterpretationCodes (extensible): Codes identifying interpretations of observations.
referenceRange		0..*	See referenceRange (Observation)	Provides guide for interpretation of component result
component:subjective	Σ	0..1	BackboneElement	SOAP：S
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
code	SΣ	1..1	CodeableConcept	Type of component 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	SΣ	1..1	Coding	Code defined by a terminology system Binding: EPath EvaluationItem VS (required)
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://e-path.jp/fhir/ePath/CodeSystem/EPathEvaluationItemCS
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: S
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]	SΣ	1..1	string	Actual component result
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
component:objective	Σ	0..1	BackboneElement	SOAP：O
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: 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	SΣ	1..1	Coding	Code defined by a terminology system Binding: EPath EvaluationItem VS (required)
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://e-path.jp/fhir/ePath/CodeSystem/EPathEvaluationItemCS
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: O
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]	SΣ	1..1	string	Actual component result
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
component:plan	Σ	0..1	BackboneElement	SOAP：P
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: 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	SΣ	1..1	Coding	Code defined by a terminology system Binding: EPath EvaluationItem VS (required)
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://e-path.jp/fhir/ePath/CodeSystem/EPathEvaluationItemCS
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: P
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]	SΣ	0..1	string	Actual component result
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
component:action	Σ	0..1	BackboneElement	SOAP：A
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: 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	SΣ	1..1	Coding	Code defined by a terminology system Binding: EPath EvaluationItem VS (required)
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://e-path.jp/fhir/ePath/CodeSystem/EPathEvaluationItemCS
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: A
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]	SΣ	0..1	string	Actual component result
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	Status	Usage	ValueSet	Version	Source
Observation.meta.security	Base	extensible	SecurityLabels	📍4.0.1	FHIR Std.
Observation.meta.tag	Base	example	Common Tags	📍4.0.1	FHIR Std.
Observation.language	Base	preferred	Common Languages	📍4.0.1	FHIR Std.
Observation.identifier:evaluationId.​use	Base	required	IdentifierUse	📍4.0.1	FHIR Std.
Observation.identifier:evaluationId.​type	Base	extensible	IdentifierType	📍4.0.1	FHIR Std.
Observation.status	Base	required	ObservationStatus	📍4.0.1	FHIR Std.
Observation.category	Base	preferred	Observation Category Codes	📍4.0.1	FHIR Std.
Observation.code	Base	example	LOINC Codes	📍4.0.1	FHIR Std.
Observation.code.coding	Base	required	EPath EvaluationItem VS	📦1.0.1	This IG
Observation.performer.​type	Base	extensible	ResourceType	📍4.0.1	FHIR Std.
Observation.value[x]:valueCodeableConcept	Base	example	EPath StateOfAchievement VS	📦1.0.1	This IG
Observation.dataAbsentReason	Base	extensible	DataAbsentReason	📍4.0.1	FHIR Std.
Observation.interpretation	Base	extensible	Observation Interpretation Codes	📍4.0.1	FHIR Std.
Observation.bodySite	Base	example	SNOMED CT Body Structures	📍4.0.1	FHIR Std.
Observation.method	Base	example	Observation Methods	📍4.0.1	FHIR Std.
Observation.referenceRange.​type	Base	preferred	Observation Reference Range Meaning Codes	📍4.0.1	FHIR Std.
Observation.referenceRange.​appliesTo	Base	example	Observation Reference Range Applies To Codes	📍4.0.1	FHIR Std.
Observation.derivedFrom.​type	Base	extensible	ResourceType	📍4.0.1	FHIR Std.
Observation.derivedFrom.​identifier.use	Base	required	IdentifierUse	📍4.0.1	FHIR Std.
Observation.derivedFrom.​identifier.type	Base	extensible	IdentifierType	📍4.0.1	FHIR Std.
Observation.component.​code	Base	example	LOINC Codes	📍4.0.1	FHIR Std.
Observation.component.​dataAbsentReason	Base	extensible	DataAbsentReason	📍4.0.1	FHIR Std.
Observation.component.​interpretation	Base	extensible	Observation Interpretation Codes	📍4.0.1	FHIR Std.
Observation.component:subjective.​code	Base	example	LOINC Codes	📍4.0.1	FHIR Std.
Observation.component:subjective.​code.coding	Base	required	EPath EvaluationItem VS	📦1.0.1	This IG
Observation.component:subjective.​dataAbsentReason	Base	extensible	DataAbsentReason	📍4.0.1	FHIR Std.
Observation.component:subjective.​interpretation	Base	extensible	Observation Interpretation Codes	📍4.0.1	FHIR Std.
Observation.component:objective.​code	Base	example	LOINC Codes	📍4.0.1	FHIR Std.
Observation.component:objective.​code.coding	Base	required	EPath EvaluationItem VS	📦1.0.1	This IG
Observation.component:objective.​dataAbsentReason	Base	extensible	DataAbsentReason	📍4.0.1	FHIR Std.
Observation.component:objective.​interpretation	Base	extensible	Observation Interpretation Codes	📍4.0.1	FHIR Std.
Observation.component:plan.​code	Base	example	LOINC Codes	📍4.0.1	FHIR Std.
Observation.component:plan.​code.coding	Base	required	EPath EvaluationItem VS	📦1.0.1	This IG
Observation.component:plan.​dataAbsentReason	Base	extensible	DataAbsentReason	📍4.0.1	FHIR Std.
Observation.component:plan.​interpretation	Base	extensible	Observation Interpretation Codes	📍4.0.1	FHIR Std.
Observation.component:action.​code	Base	example	LOINC Codes	📍4.0.1	FHIR Std.
Observation.component:action.​code.coding	Base	required	EPath EvaluationItem VS	📦1.0.1	This IG
Observation.component:action.​dataAbsentReason	Base	extensible	DataAbsentReason	📍4.0.1	FHIR Std.
Observation.component:action.​interpretation	Base	extensible	Observation Interpretation Codes	📍4.0.1	FHIR Std.

Constraints

Id	Grade	Path(s)	Description	Expression
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()

Summary

Mandatory: 6 elements(20 nested mandatory elements)
Must-Support: 27 elements
Fixed: 11 elements

Structures

This structure refers to these other structures:

• EPath Practitioner (http://e-path.jp/fhir/ePath/StructureDefinition/EPathPractitioner)
• EPath PractitionerRole (http://e-path.jp/fhir/ePath/StructureDefinition/EPathPractitionerRole)

Slices

This structure defines the following Slices:

• The element 1 is sliced based on the values of Observation.identifier
• The element 1 is sliced based on the values of Observation.value[x]
• The element 1 is sliced based on the values of Observation.component

Name	Flags	Card.	Type	Description & Constraints    Filter: Bindings Constraints Obligations
Observation	C	0..*	Observation	Measurements and simple assertions Constraints: obs-6, obs-7
meta	Σ	1..1	Meta	Metadata about the resource
profile	SΣ	1..1	canonical(StructureDefinition)	本プロファイルを識別するURLとバージョンを指定する。http://e-path.jp/fhir/ePath/StructureDefinition/EPathObservationEvaluation|x.y.z を設定する。
implicitRules	?!Σ	0..1	uri	A set of rules under which this content was created
modifierExtension	?!	0..*	Extension	Extensions that cannot be ignored
Slices for identifier	Σ	1..*	Identifier	Business Identifier for observation Slice: Unordered, Open by value:system
identifier:evaluationId	SΣ	0..*	Identifier	リソース一意識別子（評価）
use	?!Σ	0..1	code	usual | official | temp | secondary | old (If known) Binding: IdentifierUse (required): Identifies the purpose for this identifier, if known .
system	Σ	1..1	uri	固定値 http://e-path.jp/fhir/ePath/IdSystem/observation-evaluation-id を設定する。 Fixed Value: http://e-path.jp/fhir/ePath/IdSystem/observation-evaluation-id
value	SΣ	1..1	string	評価を通して、一意の識別子を設定する。 Example General: 123456
status	?!Σ	1..1	code	registered | preliminary | final | amended + Binding: ObservationStatus (required): Codes providing the status of an observation.
code	SΣ	1..1	CodeableConcept	Type of observation (code / type) Binding: LOINCCodes (example): Codes identifying names of simple observations.
coding	SΣ	1..1	Coding	Code defined by a terminology system Binding: EPath EvaluationItem VS (required)
system	Σ	1..1	uri	Identity of the terminology system Fixed Value: http://e-path.jp/fhir/ePath/CodeSystem/EPathEvaluationItemCS
code	SΣ	1..1	code	Symbol in syntax defined by the system
subject	Σ	0..1	Reference(Patient | Group | Device | Location)	パスを適用する患者リソース（Patient）への参照
effective[x]	SΣ	0..1	dateTime	評価日時
performer	SΣ	0..*	Reference(EPath Practitioner | EPath PractitionerRole)	評価者、評価者職種
type	Σ	1..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).
display	SΣ	1..1	string	Text alternative for the resource
Slices for value[x]	SΣC	0..1		総合評価などを設定する。 Slice: Unordered, Open by type:$this
valueQuantity			Quantity
valueCodeableConcept			CodeableConcept
valueString			string
valueBoolean			boolean
valueInteger			integer
valueRange			Range
valueRatio			Ratio
valueSampledData			SampledData
valueTime			time
valueDateTime			dateTime
valuePeriod			Period
value[x]:valueString	SΣC	0..1	string	Actual result
value[x]:valueCodeableConcept	SΣC	0..1	CodeableConcept	評価などを設定する。 Binding: EPath StateOfAchievement VS (example)
derivedFrom	Σ	0..*	Reference(QuestionnaireResponse)	評価の派生元
identifier	SΣ	0..1	Identifier	入力フォーム回答の識別子
use	?!Σ	0..1	code	usual | official | temp | secondary | old (If known) Binding: IdentifierUse (required): Identifies the purpose for this identifier, if known .
system	Σ	1..1	uri	固定値 http://e-path.jp/fhir/ePath/IdSystem/quis-response-id を設定する。 Fixed Value: http://e-path.jp/fhir/ePath/IdSystem/quis-response-id
value	SΣ	1..1	string	The value that is unique Example General: 123456
Slices for component	Σ	0..*	BackboneElement	Component results Slice: Unordered, Open by value:code.coding.code
component:All Slices				Content/Rules for all slices
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
code	Σ	1..1	CodeableConcept	Type of component observation (code / type) Binding: LOINCCodes (example): Codes identifying names of simple observations.
component:subjective	Σ	0..1	BackboneElement	SOAP：S
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
code	SΣ	1..1	CodeableConcept	Type of component observation (code / type) Binding: LOINCCodes (example): Codes identifying names of simple observations.
coding	SΣ	1..1	Coding	Code defined by a terminology system Binding: EPath EvaluationItem VS (required)
system	Σ	1..1	uri	Identity of the terminology system Fixed Value: http://e-path.jp/fhir/ePath/CodeSystem/EPathEvaluationItemCS
code	SΣ	1..1	code	Symbol in syntax defined by the system Fixed Value: S
value[x]	SΣ	1..1	string	Actual component result
component:objective	Σ	0..1	BackboneElement	SOAP：O
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
code	SΣ	1..1	CodeableConcept	Type of component observation (code / type) Binding: LOINCCodes (example): Codes identifying names of simple observations.
coding	SΣ	1..1	Coding	Code defined by a terminology system Binding: EPath EvaluationItem VS (required)
system	Σ	1..1	uri	Identity of the terminology system Fixed Value: http://e-path.jp/fhir/ePath/CodeSystem/EPathEvaluationItemCS
code	Σ	1..1	code	Symbol in syntax defined by the system Fixed Value: O
value[x]	SΣ	1..1	string	Actual component result
component:plan	Σ	0..1	BackboneElement	SOAP：P
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
code	SΣ	1..1	CodeableConcept	Type of component observation (code / type) Binding: LOINCCodes (example): Codes identifying names of simple observations.
coding	SΣ	1..1	Coding	Code defined by a terminology system Binding: EPath EvaluationItem VS (required)
system	Σ	1..1	uri	Identity of the terminology system Fixed Value: http://e-path.jp/fhir/ePath/CodeSystem/EPathEvaluationItemCS
code	Σ	1..1	code	Symbol in syntax defined by the system Fixed Value: P
value[x]	SΣ	0..1	string	Actual component result
component:action	Σ	0..1	BackboneElement	SOAP：A
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
code	SΣ	1..1	CodeableConcept	Type of component observation (code / type) Binding: LOINCCodes (example): Codes identifying names of simple observations.
coding	SΣ	1..1	Coding	Code defined by a terminology system Binding: EPath EvaluationItem VS (required)
system	Σ	1..1	uri	Identity of the terminology system Fixed Value: http://e-path.jp/fhir/ePath/CodeSystem/EPathEvaluationItemCS
code	Σ	1..1	code	Symbol in syntax defined by the system Fixed Value: A
value[x]	SΣ	0..1	string	Actual component result
Documentation for this format

Terminology Bindings

Path	Status	Usage	ValueSet	Version	Source
Observation.identifier:evaluationId.​use	Base	required	IdentifierUse	📍4.0.1	FHIR Std.
Observation.status	Base	required	ObservationStatus	📍4.0.1	FHIR Std.
Observation.code	Base	example	LOINC Codes	📍4.0.1	FHIR Std.
Observation.code.coding	Base	required	EPath EvaluationItem VS	📦1.0.1	This IG
Observation.performer.​type	Base	extensible	ResourceType	📍4.0.1	FHIR Std.
Observation.value[x]:valueCodeableConcept	Base	example	EPath StateOfAchievement VS	📦1.0.1	This IG
Observation.derivedFrom.​identifier.use	Base	required	IdentifierUse	📍4.0.1	FHIR Std.
Observation.component.​code	Base	example	LOINC Codes	📍4.0.1	FHIR Std.
Observation.component:subjective.​code	Base	example	LOINC Codes	📍4.0.1	FHIR Std.
Observation.component:subjective.​code.coding	Base	required	EPath EvaluationItem VS	📦1.0.1	This IG
Observation.component:objective.​code	Base	example	LOINC Codes	📍4.0.1	FHIR Std.
Observation.component:objective.​code.coding	Base	required	EPath EvaluationItem VS	📦1.0.1	This IG
Observation.component:plan.​code	Base	example	LOINC Codes	📍4.0.1	FHIR Std.
Observation.component:plan.​code.coding	Base	required	EPath EvaluationItem VS	📦1.0.1	This IG
Observation.component:action.​code	Base	example	LOINC Codes	📍4.0.1	FHIR Std.
Observation.component:action.​code.coding	Base	required	EPath EvaluationItem VS	📦1.0.1	This IG

Constraints

Id	Grade	Path(s)	Description	Expression
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()