HL7.CDA.US.CCDA\Deceased Observation (V3) - Definitions

This page is part of the CCDA: Consolidated CDA Release (v2.1.0-draft1: CCDA 2.1 Draft) generated with FHIR v5.0.0. . For a full list of available versions, see the Directory of published versions

Resource Profile: DeceasedObservation - Detailed Descriptions

Active as of 2023-01-16

Definitions for the 2.16.840.1.113883.10.20.22.4.79 resource profile.

Differential Elements Table
Key Elements Table
Snapshot Elements Table

Guidance on how to interpret the contents of this table can be found here.

1. Observation
2. Observation.classCode
Requirements	SHALL contain exactly one [1..1] @classCode="OBS" Observation (CodeSystem: HL7ActClass urn:oid:2.16.840.1.113883.5.6 STATIC) (CONF:1198-14851).
Pattern Value	OBS
3. Observation.moodCode
Requirements	SHALL contain exactly one [1..1] @moodCode="EVN" Event (CodeSystem: HL7ActMood urn:oid:2.16.840.1.113883.5.1001 STATIC) (CONF:1198-14852).
Pattern Value	EVN
4. Observation.templateId
Slicing	This element introduces a set of slices on Observation.templateId. The slices are unordered and Open, and can be differentiated using the following discriminators: value @ extension value @ extension,
5. Observation.templateId:primary
SliceName	primary
Control	1..1
Requirements	SHALL contain exactly one [1..1] templateId (CONF:1198-14871) such that it
6. Observation.templateId:primary.root
Control	1..1
Requirements	SHALL contain exactly one [1..1] @root="2.16.840.1.113883.10.20.22.4.79" (CONF:1198-14872).
Pattern Value	2.16.840.1.113883.10.20.22.4.79
7. Observation.templateId:primary.extension
Control	1..1
Requirements	SHALL contain exactly one [1..1] @extension="2015-08-01" (CONF:1198-32541).
Pattern Value	2015-08-01
8. Observation.id
Control	10..*
Requirements	SHALL contain at least one [1..*] id (CONF:1198-14873).
9. Observation.code
Requirements	SHALL contain exactly one [1..1] code (CONF:1198-14853).
10. Observation.code.code
Control	1..1
Requirements	This code SHALL contain exactly one [1..1] @code="ASSERTION" Assertion (CONF:1198-19135).
Pattern Value	ASSERTION
11. Observation.code.codeSystem
Control	1..1
Requirements	This code SHALL contain exactly one [1..1] @codeSystem="2.16.840.1.113883.5.4" (CodeSystem: HL7ActCode urn:oid:2.16.840.1.113883.5.4) (CONF:1198-32158).
Pattern Value	2.16.840.1.113883.5.4
12. Observation.statusCode
Control	10..1
Requirements	SHALL contain exactly one [1..1] statusCode (CONF:1198-14854).
13. Observation.statusCode.code
Control	1..1
Requirements	This statusCode SHALL contain exactly one [1..1] @code="completed" Completed (CodeSystem: HL7ActStatus urn:oid:2.16.840.1.113883.5.14 STATIC) (CONF:1198-19095).
Pattern Value	completed
14. Observation.effectiveTime
Control	10..1
Requirements	SHALL contain exactly one [1..1] effectiveTime (CONF:1198-14855).
15. Observation.effectiveTime.low
Control	1..1
Requirements	This effectiveTime SHALL contain exactly one [1..1] low (CONF:1198-14874).
16. Observation.value
Control	10..1*
Type	Choice of: , http://hl7.org/fhir/cda/StructureDefinition/ED, http://hl7.org/fhir/cda/StructureDefinition/TS, http://hl7.org/fhir/cda/StructureDefinition/II, http://hl7.org/fhir/cda/StructureDefinition/ST, http://hl7.org/fhir/cda/StructureDefinition/PQ, http://hl7.org/fhir/cda/StructureDefinition/CE, http://hl7.org/fhir/cda/StructureDefinition/TEL, http://hl7.org/fhir/cda/StructureDefinition/MO, http://hl7.org/fhir/cda/StructureDefinition/AD, http://hl7.org/fhir/cda/StructureDefinition/IVL-TS, http://hl7.org/fhir/cda/StructureDefinition/IVL-PQ, http://hl7.org/fhir/cda/StructureDefinition/EN, http://hl7.org/fhir/cda/StructureDefinition/BL, http://hl7.org/fhir/cda/StructureDefinition/REAL, http://hl7.org/fhir/cda/StructureDefinition/EIVL-TS, http://hl7.org/fhir/cda/StructureDefinition/SC, http://hl7.org/fhir/cda/StructureDefinition/RTO-PQ-PQ, http://hl7.org/fhir/cda/StructureDefinition/CV, http://hl7.org/fhir/cda/StructureDefinition/PIVL-TS, http://hl7.org/fhir/cda/StructureDefinition/INT, http://hl7.org/fhir/cda/StructureDefinition/SXPR-TS
Requirements	SHALL contain exactly one [1..1] value with @xsi:type="CD" (CONF:1198-14857).
17. Observation.value.code
Control	1..1
Requirements	This value SHALL contain exactly one [1..1] @code="419099009" Dead (CodeSystem: SNOMED CT urn:oid:2.16.840.1.113883.6.96 STATIC) (CONF:1198-15142).
18. Observation.entryRelationship
Slicing	This element introduces a set of slices on Observation.entryRelationship. The slices are unordered and Open, and can be differentiated using the following discriminators: profile @ observation
19. Observation.entryRelationship:problemObservation
SliceName	problemObservation
Control	0..1
Requirements	SHOULD contain zero or one [0..1] entryRelationship (CONF:1198-14868) such that it
20. Observation.entryRelationship:problemObservation.typeCode
Control	1..1
Requirements	SHALL contain exactly one [1..1] @typeCode="CAUS" Is etiology for (CodeSystem: HL7ActRelationshipType urn:oid:2.16.840.1.113883.5.1002 STATIC) (CONF:1198-14875).
Pattern Value	CAUS
21. Observation.entryRelationship:problemObservation.inversionInd
Control	1..1
Requirements	SHALL contain exactly one [1..1] @inversionInd="true" True (CONF:1198-32900).
Pattern Value	true
22. Observation.entryRelationship:problemObservation.observation
Control	1..1
Type	http://hl7.org/fhir/cda/StructureDefinition/Observation(ProblemObservation)
Requirements	SHALL contain exactly one [1..1] Problem Observation (V3) (identifier: urn:hl7ii:2.16.840.1.113883.10.20.22.4.4:2015-08-01) (CONF:1198-14870).

Guidance on how to interpret the contents of this table can be found here.

1. Observation
Definition	Base definition for all types defined in FHIR type system.
Control	10..1*
Invariants	Defined on this element ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
2. Observation.classCode
Control	1..1
Binding	The codes SHALL be taken from ActClassObservation
Type	code
XML Representation	In the XML format, this property is represented as an attribute.
Requirements	SHALL contain exactly one [1..1] @classCode="OBS" Observation (CodeSystem: HL7ActClass urn:oid:2.16.840.1.113883.5.6 STATIC) (CONF:1198-14851).
Pattern Value	OBS
3. Observation.moodCode
Control	1..1
Type	code
XML Representation	In the XML format, this property is represented as an attribute.
Requirements	SHALL contain exactly one [1..1] @moodCode="EVN" Event (CodeSystem: HL7ActMood urn:oid:2.16.840.1.113883.5.1001 STATIC) (CONF:1198-14852).
Pattern Value	EVN
4. Observation.templateId
Definition	When valued in an instance, this attribute signals the imposition of a set of template-defined constraints. The value of this attribute provides a unique identifier for the templates in question
Control	0..*
Type	http://hl7.org/fhir/cda/StructureDefinition/II
Slicing	This element introduces a set of slices on Observation.templateId. The slices are unordered and Open, and can be differentiated using the following discriminators: value @ extension value @ extension,
5. Observation.templateId:primary
SliceName	primary
Definition	When valued in an instance, this attribute signals the imposition of a set of template-defined constraints. The value of this attribute provides a unique identifier for the templates in question
Control	1..1
Type	http://hl7.org/fhir/cda/StructureDefinition/II
Requirements	SHALL contain exactly one [1..1] templateId (CONF:1198-14871) such that it
6. Observation.templateId:primary.root
Definition	A unique identifier that guarantees the global uniqueness of the instance identifier. The root alone may be the entire instance identifier.
Control	1..1
Type	string
XML Representation	In the XML format, this property is represented as an attribute.
Requirements	SHALL contain exactly one [1..1] @root="2.16.840.1.113883.10.20.22.4.79" (CONF:1198-14872).
Pattern Value	2.16.840.1.113883.10.20.22.4.79
7. Observation.templateId:primary.extension
Definition	A character string as a unique identifier within the scope of the identifier root.
Control	1..1
Type	string
XML Representation	In the XML format, this property is represented as an attribute.
Requirements	SHALL contain exactly one [1..1] @extension="2015-08-01" (CONF:1198-32541).
Pattern Value	2015-08-01
8. Observation.id
Definition	The logical id of the resource, as used in the URL for the resource. Once assigned, this value never changes.
Control	10..*1
Type	http://hl7.org/fhir/cda/StructureDefinition/IIid
Requirements	SHALL contain at least one [1..*] id (CONF:1198-14873).
Comments	Within the context of the FHIR RESTful interactions, the resource has an id except for cases like the create and conditional update. Otherwise, the use of the resouce id depends on the given use case.
9. Observation.code
Definition	Describes what was observed. Sometimes this is called the observation "name".
Control	1..1
Binding	The codes SHALL be taken from ObservationType; other codes may be used where these codes are not suitableFor example codes, see LOINCCodes
Type	http://hl7.org/fhir/cda/StructureDefinition/CDCodeableConcept
XML Representation	The type of this property is determined using the xsi:type attribute.
Requirements	SHALL contain exactly one [1..1] code (CONF:1198-14853). Knowing what kind of observation is being made is essential to understanding the observation.
Alternate Names	Name
Comments	All code-value and, if present, component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.
10. Observation.code.code
Definition	The plain code symbol defined by the code system. For example, "784.0" is the code symbol of the ICD-9 code "784.0" for headache.
Control	1..1
Type	string
XML Representation	In the XML format, this property is represented as an attribute.
Requirements	This code SHALL contain exactly one [1..1] @code="ASSERTION" Assertion (CONF:1198-19135).
Pattern Value	ASSERTION
11. Observation.code.codeSystem
Definition	Specifies the code system that defines the code.
Control	1..1
Type	string
XML Representation	In the XML format, this property is represented as an attribute.
Requirements	This code SHALL contain exactly one [1..1] @codeSystem="2.16.840.1.113883.5.4" (CodeSystem: HL7ActCode urn:oid:2.16.840.1.113883.5.4) (CONF:1198-32158).
Pattern Value	2.16.840.1.113883.5.4
12. Observation.statusCode
Control	1..1
Binding	The codes SHALL be taken from ActStatus
Type	http://hl7.org/fhir/cda/StructureDefinition/CS
Requirements	SHALL contain exactly one [1..1] statusCode (CONF:1198-14854).
13. Observation.statusCode.code
Definition	The plain code symbol defined by the code system. For example, "784.0" is the code symbol of the ICD-9 code "784.0" for headache.
Control	1..1
Type	string
XML Representation	In the XML format, this property is represented as an attribute.
Requirements	This statusCode SHALL contain exactly one [1..1] @code="completed" Completed (CodeSystem: HL7ActStatus urn:oid:2.16.840.1.113883.5.14 STATIC) (CONF:1198-19095).
Pattern Value	completed
14. Observation.statusCode.codeSystem
Definition	Specifies the code system that defines the code.
Control	0..0
Type	string
XML Representation	In the XML format, this property is represented as an attribute.
15. Observation.statusCode.codeSystemName
Definition	The common name of the coding system.
Control	0..0
Type	string
XML Representation	In the XML format, this property is represented as an attribute.
16. Observation.statusCode.codeSystemVersion
Definition	If applicable, a version descriptor defined specifically for the given code system.
Control	0..0
Type	string
XML Representation	In the XML format, this property is represented as an attribute.
17. Observation.statusCode.displayName
Definition	A name or title for the code, under which the sending system shows the code value to its users.
Control	0..0
Type	string
XML Representation	In the XML format, this property is represented as an attribute.
18. Observation.statusCode.originalText
Definition	The text or phrase used as the basis for the coding.
Control	0..0
Type	http://hl7.org/fhir/cda/StructureDefinition/ED
19. Observation.statusCode.qualifier
Definition	Specifies additional codes that increase the specificity of the the primary code.
Control	0..0
Type	http://hl7.org/fhir/cda/StructureDefinition/CR
20. Observation.statusCode.translation
Definition	A set of other concept descriptors that translate this concept descriptor into other code systems.
Control	0..0
Type	http://hl7.org/fhir/cda/StructureDefinition/CD
XML Representation	The type of this property is determined using the xsi:type attribute.
21. Observation.effectiveTime
Control	1..1
Type	http://hl7.org/fhir/cda/StructureDefinition/IVL-TS
Requirements	SHALL contain exactly one [1..1] effectiveTime (CONF:1198-14855).
22. Observation.effectiveTime.low
Definition	This is the low limit of the interval.
Control	1..1
Type	http://hl7.org/fhir/cda/StructureDefinition/TS
Requirements	This effectiveTime SHALL contain exactly one [1..1] low (CONF:1198-14874).
23. Observation.value
Control	1..1
Type	http://hl7.org/fhir/cda/StructureDefinition/CD
XML Representation	The type of this property is determined using the xsi:type attribute.
Requirements	SHALL contain exactly one [1..1] value with @xsi:type="CD" (CONF:1198-14857).
24. Observation.value.code
Definition	The plain code symbol defined by the code system. For example, "784.0" is the code symbol of the ICD-9 code "784.0" for headache.
Control	1..1
Type	string
XML Representation	In the XML format, this property is represented as an attribute.
Requirements	This value SHALL contain exactly one [1..1] @code="419099009" Dead (CodeSystem: SNOMED CT urn:oid:2.16.840.1.113883.6.96 STATIC) (CONF:1198-15142).
25. Observation.entryRelationship
Control	0..*
Type	Element
Invariants	Defined on this element ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count())) obs-er-1: Only one of observation, regionOfInterest, observationMedia, substanceAdministration, supply, procedure, encounter, organizer, and act (: (observation \| regionOfInterest \| observationMedia \| substanceAdministration \| supply \| procedure \| encounter \| organizer \| act).count() = 1)
Slicing	This element introduces a set of slices on Observation.entryRelationship. The slices are unordered and Open, and can be differentiated using the following discriminators: profile @ observation
26. Observation.entryRelationship.typeCode
Control	1..1
Type	code
XML Representation	In the XML format, this property is represented as an attribute.
27. Observation.entryRelationship.contextConductionInd
Control	1..1
Type	boolean
XML Representation	In the XML format, this property is represented as an attribute.
Default Value	true
28. Observation.entryRelationship:problemObservation
SliceName	problemObservation
Control	0..1
Type	Element
Requirements	SHOULD contain zero or one [0..1] entryRelationship (CONF:1198-14868) such that it
Invariants	Defined on this element ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count())) obs-er-1: Only one of observation, regionOfInterest, observationMedia, substanceAdministration, supply, procedure, encounter, organizer, and act (: (observation \| regionOfInterest \| observationMedia \| substanceAdministration \| supply \| procedure \| encounter \| organizer \| act).count() = 1)
29. Observation.entryRelationship:problemObservation.typeCode
Control	1..1
Type	code
XML Representation	In the XML format, this property is represented as an attribute.
Requirements	SHALL contain exactly one [1..1] @typeCode="CAUS" Is etiology for (CodeSystem: HL7ActRelationshipType urn:oid:2.16.840.1.113883.5.1002 STATIC) (CONF:1198-14875).
Pattern Value	CAUS
30. Observation.entryRelationship:problemObservation.inversionInd
Control	1..1
Type	boolean
XML Representation	In the XML format, this property is represented as an attribute.
Requirements	SHALL contain exactly one [1..1] @inversionInd="true" True (CONF:1198-32900).
Pattern Value	true
31. Observation.entryRelationship:problemObservation.contextConductionInd
Control	1..1
Type	boolean
XML Representation	In the XML format, this property is represented as an attribute.
Default Value	true
32. Observation.entryRelationship:problemObservation.observation
Definition	Base definition for all types defined in FHIR type system.
Control	1..1
Type	http://hl7.org/fhir/cda/StructureDefinition/Observation(ProblemObservation)
Requirements	SHALL contain exactly one [1..1] Problem Observation (V3) (identifier: urn:hl7ii:2.16.840.1.113883.10.20.22.4.4:2015-08-01) (CONF:1198-14870).
Invariants	Defined on this element ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
33. Observation.entryRelationship:problemObservation.regionOfInterest
Control	0..0
Type	http://hl7.org/fhir/cda/StructureDefinition/RegionOfInterest
34. Observation.entryRelationship:problemObservation.observationMedia
Control	0..0
Type	http://hl7.org/fhir/cda/StructureDefinition/ObservationMedia
35. Observation.entryRelationship:problemObservation.substanceAdministration
Control	0..0
Type	http://hl7.org/fhir/cda/StructureDefinition/SubstanceAdministration
36. Observation.entryRelationship:problemObservation.supply
Control	0..0
Type	http://hl7.org/fhir/cda/StructureDefinition/Supply
37. Observation.entryRelationship:problemObservation.procedure
Control	0..0
Type	http://hl7.org/fhir/cda/StructureDefinition/Procedure
38. Observation.entryRelationship:problemObservation.encounter
Control	0..0
Type	http://hl7.org/fhir/cda/StructureDefinition/Encounter
39. Observation.entryRelationship:problemObservation.organizer
Control	0..0
Type	http://hl7.org/fhir/cda/StructureDefinition/Organizer
40. Observation.entryRelationship:problemObservation.act
Control	0..0
Type	http://hl7.org/fhir/cda/StructureDefinition/Act

Guidance on how to interpret the contents of this table can be found here.

1. Observation
Definition	Base definition for all types defined in FHIR type system.
Control	1..1
2. Observation.classCode
Control	1..1
Binding	The codes SHALL be taken from ActClassObservation
Type	code
XML Representation	In the XML format, this property is represented as an attribute.
Requirements	SHALL contain exactly one [1..1] @classCode="OBS" Observation (CodeSystem: HL7ActClass urn:oid:2.16.840.1.113883.5.6 STATIC) (CONF:1198-14851).
Pattern Value	OBS
3. Observation.moodCode
Control	1..1
Type	code
XML Representation	In the XML format, this property is represented as an attribute.
Requirements	SHALL contain exactly one [1..1] @moodCode="EVN" Event (CodeSystem: HL7ActMood urn:oid:2.16.840.1.113883.5.1001 STATIC) (CONF:1198-14852).
Pattern Value	EVN
4. Observation.negationInd
Control	0..1
Type	boolean
XML Representation	In the XML format, this property is represented as an attribute.
5. Observation.realmCode
Control	0..*
Type	http://hl7.org/fhir/cda/StructureDefinition/CS
6. Observation.typeId
Control	0..1
Type	http://hl7.org/fhir/cda/StructureDefinition/II
7. Observation.templateId
Definition	When valued in an instance, this attribute signals the imposition of a set of template-defined constraints. The value of this attribute provides a unique identifier for the templates in question
Control	0..*
Type	http://hl7.org/fhir/cda/StructureDefinition/II
Slicing	This element introduces a set of slices on Observation.templateId. The slices are unordered and Open, and can be differentiated using the following discriminators: value @ extension value @ extension,
8. Observation.templateId:primary
SliceName	primary
Definition	When valued in an instance, this attribute signals the imposition of a set of template-defined constraints. The value of this attribute provides a unique identifier for the templates in question
Control	1..1
Type	http://hl7.org/fhir/cda/StructureDefinition/II
Requirements	SHALL contain exactly one [1..1] templateId (CONF:1198-14871) such that it
9. Observation.templateId:primary.nullFlavor
Definition	If a value is an exceptional value (NULL-value), this specifies in what way and why proper information is missing.
Control	0..1
Binding	The codes SHALL be taken from NullFlavor
Type	code
XML Representation	In the XML format, this property is represented as an attribute.
10. Observation.templateId:primary.assigningAuthorityName
Definition	A human readable name or mnemonic for the assigning authority. The Assigning Authority Name has no computational value. The purpose of a Assigning Authority Name is to assist an unaided human interpreter of an II value to interpret the authority. Note: no automated processing must depend on the assigning authority name to be present in any form.
Control	0..1
Type	string
XML Representation	In the XML format, this property is represented as an attribute.
11. Observation.templateId:primary.displayable
Definition	Specifies if the identifier is intended for human display and data entry (displayable = true) as opposed to pure machine interoperation (displayable = false).
Control	0..1
Type	boolean
XML Representation	In the XML format, this property is represented as an attribute.
12. Observation.templateId:primary.root
Definition	A unique identifier that guarantees the global uniqueness of the instance identifier. The root alone may be the entire instance identifier.
Control	1..1
Type	string
XML Representation	In the XML format, this property is represented as an attribute.
Requirements	SHALL contain exactly one [1..1] @root="2.16.840.1.113883.10.20.22.4.79" (CONF:1198-14872).
Pattern Value	2.16.840.1.113883.10.20.22.4.79
13. Observation.templateId:primary.extension
Definition	A character string as a unique identifier within the scope of the identifier root.
Control	1..1
Type	string
XML Representation	In the XML format, this property is represented as an attribute.
Requirements	SHALL contain exactly one [1..1] @extension="2015-08-01" (CONF:1198-32541).
Pattern Value	2015-08-01
14. Observation.id
Control	1..*
Type	http://hl7.org/fhir/cda/StructureDefinition/II
Requirements	SHALL contain at least one [1..*] id (CONF:1198-14873).
15. Observation.code
Control	1..1
Binding	The codes SHALL be taken from ObservationType; other codes may be used where these codes are not suitable
Type	http://hl7.org/fhir/cda/StructureDefinition/CD
XML Representation	The type of this property is determined using the xsi:type attribute.
Requirements	SHALL contain exactly one [1..1] code (CONF:1198-14853).
16. Observation.code.nullFlavor
Definition	If a value is an exceptional value (NULL-value), this specifies in what way and why proper information is missing.
Control	0..1
Binding	The codes SHALL be taken from NullFlavor
Type	code
XML Representation	In the XML format, this property is represented as an attribute.
17. Observation.code.code
Definition	The plain code symbol defined by the code system. For example, "784.0" is the code symbol of the ICD-9 code "784.0" for headache.
Control	1..1
Type	string
XML Representation	In the XML format, this property is represented as an attribute.
Requirements	This code SHALL contain exactly one [1..1] @code="ASSERTION" Assertion (CONF:1198-19135).
Pattern Value	ASSERTION
18. Observation.code.codeSystem
Definition	Specifies the code system that defines the code.
Control	1..1
Type	string
XML Representation	In the XML format, this property is represented as an attribute.
Requirements	This code SHALL contain exactly one [1..1] @codeSystem="2.16.840.1.113883.5.4" (CodeSystem: HL7ActCode urn:oid:2.16.840.1.113883.5.4) (CONF:1198-32158).
Pattern Value	2.16.840.1.113883.5.4
19. Observation.code.codeSystemName
Definition	The common name of the coding system.
Control	0..1
Type	string
XML Representation	In the XML format, this property is represented as an attribute.
20. Observation.code.codeSystemVersion
Definition	If applicable, a version descriptor defined specifically for the given code system.
Control	0..1
Type	string
XML Representation	In the XML format, this property is represented as an attribute.
21. Observation.code.displayName
Definition	A name or title for the code, under which the sending system shows the code value to its users.
Control	0..1
Type	string
XML Representation	In the XML format, this property is represented as an attribute.
22. Observation.code.sdtcValueSet
Definition	The valueSet extension adds an attribute for elements with a CD dataType which indicates the particular value set constraining the coded concept.
Control	0..1
Type	string
XML Representation	In the XML format, this property is represented as an attribute.In the XML format, this property has the namespace `urn:hl7-org:sdtc`.In the XML format, this property has the actual name `valueSet`.
23. Observation.code.sdtcValueSetVersion
Definition	The valueSetVersion extension adds an attribute for elements with a CD dataType which indicates the version of the particular value set constraining the coded concept.
Control	0..1
Type	string
XML Representation	In the XML format, this property is represented as an attribute.In the XML format, this property has the namespace `urn:hl7-org:sdtc`.In the XML format, this property has the actual name `valueSetVersion`.
24. Observation.code.originalText
Definition	The text or phrase used as the basis for the coding.
Control	0..1
Type	http://hl7.org/fhir/cda/StructureDefinition/ED
25. Observation.code.qualifier
Definition	Specifies additional codes that increase the specificity of the the primary code.
Control	0..*
Type	http://hl7.org/fhir/cda/StructureDefinition/CR
26. Observation.code.translation
Definition	A set of other concept descriptors that translate this concept descriptor into other code systems.
Control	0..*
Type	http://hl7.org/fhir/cda/StructureDefinition/CD
XML Representation	The type of this property is determined using the xsi:type attribute.
27. Observation.derivationExpr
Control	0..1
Type	http://hl7.org/fhir/cda/StructureDefinition/ST
28. Observation.text
Control	0..1
Type	http://hl7.org/fhir/cda/StructureDefinition/ED
XML Representation	The type of this property is determined using the xsi:type attribute.
29. Observation.statusCode
Control	1..1
Binding	The codes SHALL be taken from ActStatus
Type	http://hl7.org/fhir/cda/StructureDefinition/CS
Requirements	SHALL contain exactly one [1..1] statusCode (CONF:1198-14854).
30. Observation.statusCode.nullFlavor
Definition	If a value is an exceptional value (NULL-value), this specifies in what way and why proper information is missing.
Control	0..1
Binding	The codes SHALL be taken from NullFlavor
Type	code
XML Representation	In the XML format, this property is represented as an attribute.
31. Observation.statusCode.code
Definition	The plain code symbol defined by the code system. For example, "784.0" is the code symbol of the ICD-9 code "784.0" for headache.
Control	1..1
Type	string
XML Representation	In the XML format, this property is represented as an attribute.
Requirements	This statusCode SHALL contain exactly one [1..1] @code="completed" Completed (CodeSystem: HL7ActStatus urn:oid:2.16.840.1.113883.5.14 STATIC) (CONF:1198-19095).
Pattern Value	completed
32. Observation.statusCode.codeSystem
Definition	Specifies the code system that defines the code.
Control	0..0
Type	string
XML Representation	In the XML format, this property is represented as an attribute.
33. Observation.statusCode.codeSystemName
Definition	The common name of the coding system.
Control	0..0
Type	string
XML Representation	In the XML format, this property is represented as an attribute.
34. Observation.statusCode.codeSystemVersion
Definition	If applicable, a version descriptor defined specifically for the given code system.
Control	0..0
Type	string
XML Representation	In the XML format, this property is represented as an attribute.
35. Observation.statusCode.displayName
Definition	A name or title for the code, under which the sending system shows the code value to its users.
Control	0..0
Type	string
XML Representation	In the XML format, this property is represented as an attribute.
36. Observation.statusCode.sdtcValueSet
Definition	The valueSet extension adds an attribute for elements with a CD dataType which indicates the particular value set constraining the coded concept.
Control	0..1
Type	string
XML Representation	In the XML format, this property is represented as an attribute.In the XML format, this property has the namespace `urn:hl7-org:sdtc`.In the XML format, this property has the actual name `valueSet`.
37. Observation.statusCode.sdtcValueSetVersion
Definition	The valueSetVersion extension adds an attribute for elements with a CD dataType which indicates the version of the particular value set constraining the coded concept.
Control	0..1
Type	string
XML Representation	In the XML format, this property is represented as an attribute.In the XML format, this property has the namespace `urn:hl7-org:sdtc`.In the XML format, this property has the actual name `valueSetVersion`.
38. Observation.statusCode.originalText
Definition	The text or phrase used as the basis for the coding.
Control	0..0
Type	http://hl7.org/fhir/cda/StructureDefinition/ED
39. Observation.statusCode.qualifier
Definition	Specifies additional codes that increase the specificity of the the primary code.
Control	0..0
Type	http://hl7.org/fhir/cda/StructureDefinition/CR
40. Observation.statusCode.translation
Definition	A set of other concept descriptors that translate this concept descriptor into other code systems.
Control	0..0
Type	http://hl7.org/fhir/cda/StructureDefinition/CD
XML Representation	The type of this property is determined using the xsi:type attribute.
41. Observation.effectiveTime
Control	1..1
Type	http://hl7.org/fhir/cda/StructureDefinition/IVL-TS
Requirements	SHALL contain exactly one [1..1] effectiveTime (CONF:1198-14855).
42. Observation.effectiveTime.nullFlavor
Definition	If a value is an exceptional value (NULL-value), this specifies in what way and why proper information is missing.
Control	0..1
Binding	The codes SHALL be taken from NullFlavor
Type	code
XML Representation	In the XML format, this property is represented as an attribute.
43. Observation.effectiveTime.value
Definition	A quantity specifying a point on the axis of natural time. A point in time is most often represented as a calendar expression.
Control	0..1
Type	dateTime
XML Representation	In the XML format, this property is represented as an attribute.
44. Observation.effectiveTime.inclusive
Definition	Specifies whether the limit is included in the interval (interval is closed) or excluded from the interval (interval is open).
Control	0..1
Type	boolean
XML Representation	In the XML format, this property is represented as an attribute.
45. Observation.effectiveTime.operator
Definition	A code specifying whether the set component is included (union) or excluded (set-difference) from the set, or other set operations with the current set component and the set as constructed from the representation stream up to the current point.
Control	0..1
Type	code
XML Representation	In the XML format, this property is represented as an attribute.
46. Observation.effectiveTime.low
Definition	This is the low limit of the interval.
Control	1..1
Type	http://hl7.org/fhir/cda/StructureDefinition/TS
Requirements	This effectiveTime SHALL contain exactly one [1..1] low (CONF:1198-14874).
47. Observation.effectiveTime.high
Definition	This is the high limit of the interval.
Control	0..1
Type	http://hl7.org/fhir/cda/StructureDefinition/TS
48. Observation.effectiveTime.width
Definition	The difference between high and low boundary. The purpose of distinguishing a width property is to handle all cases of incomplete information symmetrically. In any interval representation only two of the three properties high, low, and width need to be stated and the third can be derived.
Control	0..1
Type	http://hl7.org/fhir/cda/StructureDefinition/PQ
49. Observation.effectiveTime.center
Definition	The arithmetic mean of the interval (low plus high divided by 2). The purpose of distinguishing the center as a semantic property is for conversions of intervals from and to point values.
Control	0..1
Type	http://hl7.org/fhir/cda/StructureDefinition/TS
50. Observation.priorityCode
Control	0..1
Binding	The codes SHALL be taken from ActPriority; other codes may be used where these codes are not suitable
Type	http://hl7.org/fhir/cda/StructureDefinition/CE
51. Observation.repeatNumber
Control	0..1
Type	http://hl7.org/fhir/cda/StructureDefinition/IVL-INT
52. Observation.languageCode
Control	0..1
Binding	The codes SHALL be taken from HumanLanguage
Type	http://hl7.org/fhir/cda/StructureDefinition/CS
53. Observation.value
Control	1..1
Type	http://hl7.org/fhir/cda/StructureDefinition/CD
XML Representation	The type of this property is determined using the xsi:type attribute.
Requirements	SHALL contain exactly one [1..1] value with @xsi:type="CD" (CONF:1198-14857).
54. Observation.value.nullFlavor
Definition	If a value is an exceptional value (NULL-value), this specifies in what way and why proper information is missing.
Control	0..1
Binding	The codes SHALL be taken from NullFlavor
Type	code
XML Representation	In the XML format, this property is represented as an attribute.
55. Observation.value.code
Definition	The plain code symbol defined by the code system. For example, "784.0" is the code symbol of the ICD-9 code "784.0" for headache.
Control	1..1
Type	string
XML Representation	In the XML format, this property is represented as an attribute.
Requirements	This value SHALL contain exactly one [1..1] @code="419099009" Dead (CodeSystem: SNOMED CT urn:oid:2.16.840.1.113883.6.96 STATIC) (CONF:1198-15142).
56. Observation.value.codeSystem
Definition	Specifies the code system that defines the code.
Control	0..1
Type	string
XML Representation	In the XML format, this property is represented as an attribute.
57. Observation.value.codeSystemName
Definition	The common name of the coding system.
Control	0..1
Type	string
XML Representation	In the XML format, this property is represented as an attribute.
58. Observation.value.codeSystemVersion
Definition	If applicable, a version descriptor defined specifically for the given code system.
Control	0..1
Type	string
XML Representation	In the XML format, this property is represented as an attribute.
59. Observation.value.displayName
Definition	A name or title for the code, under which the sending system shows the code value to its users.
Control	0..1
Type	string
XML Representation	In the XML format, this property is represented as an attribute.
60. Observation.value.sdtcValueSet
Definition	The valueSet extension adds an attribute for elements with a CD dataType which indicates the particular value set constraining the coded concept.
Control	0..1
Type	string
XML Representation	In the XML format, this property is represented as an attribute.In the XML format, this property has the namespace `urn:hl7-org:sdtc`.In the XML format, this property has the actual name `valueSet`.
61. Observation.value.sdtcValueSetVersion
Definition	The valueSetVersion extension adds an attribute for elements with a CD dataType which indicates the version of the particular value set constraining the coded concept.
Control	0..1
Type	string
XML Representation	In the XML format, this property is represented as an attribute.In the XML format, this property has the namespace `urn:hl7-org:sdtc`.In the XML format, this property has the actual name `valueSetVersion`.
62. Observation.value.originalText
Definition	The text or phrase used as the basis for the coding.
Control	0..1
Type	http://hl7.org/fhir/cda/StructureDefinition/ED
63. Observation.value.qualifier
Definition	Specifies additional codes that increase the specificity of the the primary code.
Control	0..*
Type	http://hl7.org/fhir/cda/StructureDefinition/CR
64. Observation.value.translation
Definition	A set of other concept descriptors that translate this concept descriptor into other code systems.
Control	0..*
Type	http://hl7.org/fhir/cda/StructureDefinition/CD
XML Representation	The type of this property is determined using the xsi:type attribute.
65. Observation.interpretationCode
Control	0..*
Binding	The codes SHALL be taken from ObservationInterpretation
Type	http://hl7.org/fhir/cda/StructureDefinition/CE
66. Observation.methodCode
Control	0..*
Binding	The codes SHALL be taken from ObservationMethod; other codes may be used where these codes are not suitable
Type	http://hl7.org/fhir/cda/StructureDefinition/CE
67. Observation.targetSiteCode
Definition	Drawn from concept domain ActSite
Control	0..*
Type	http://hl7.org/fhir/cda/StructureDefinition/CD
68. Observation.subject
Control	0..1
Type	Element
Invariants	Defined on this element ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
69. Observation.subject.id
Definition	Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.
Control	0..1
Type	string
XML Representation	In the XML format, this property is represented as an attribute.
Summary	false
70. Observation.subject.extension
Definition	May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.
Control	0..*
Type	Extension
Summary	false
Alternate Names	extensions, user content
Comments	There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.
Invariants	Defined on this element ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count())) ext-1: Must have either extensions or value[x], not both (: extension.exists() != value.exists())
Slicing	This element introduces a set of slices on Observation.subject.extension. The slices are unordered and Open, and can be differentiated using the following discriminators: value @ url
71. Observation.subject.typeCode
Control	1..1
Binding	The codes SHALL be taken from ParticipationTargetSubject
Type	code
XML Representation	In the XML format, this property is represented as an attribute.
Default Value	SBJ
Fixed Value	SBJ
72. Observation.subject.contextControlCode
Control	1..1
Binding	The codes SHALL be taken from ContextControl
Type	code
XML Representation	In the XML format, this property is represented as an attribute.
Default Value	OP
Fixed Value	OP
73. Observation.subject.awarenessCode
Control	0..1
Binding	The codes SHALL be taken from TargetAwareness; other codes may be used where these codes are not suitable
Type	http://hl7.org/fhir/cda/StructureDefinition/CE
74. Observation.subject.relatedSubject
Control	1..1
Type	http://hl7.org/fhir/cda/StructureDefinition/RelatedSubject
75. Observation.specimen
Control	0..*
Type	http://hl7.org/fhir/cda/StructureDefinition/Specimen
76. Observation.performer
Control	0..*
Type	http://hl7.org/fhir/cda/StructureDefinition/Performer2
77. Observation.author
Control	0..*
Type	http://hl7.org/fhir/cda/StructureDefinition/Author
78. Observation.informant
Control	0..*
Type	Element
Invariants	Defined on this element ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
79. Observation.informant.id
Definition	Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.
Control	0..1
Type	string
XML Representation	In the XML format, this property is represented as an attribute.
Summary	false
80. Observation.informant.extension
Definition	May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.
Control	0..*
Type	Extension
Summary	false
Alternate Names	extensions, user content
Comments	There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.
Invariants	Defined on this element ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count())) ext-1: Must have either extensions or value[x], not both (: extension.exists() != value.exists())
Slicing	This element introduces a set of slices on Observation.informant.extension. The slices are unordered and Open, and can be differentiated using the following discriminators: value @ url
81. Observation.informant.typeCode
Control	1..1
Binding	The codes SHALL be taken from ParticipationInformationGenerator
Type	code
XML Representation	In the XML format, this property is represented as an attribute.
Default Value	INF
Fixed Value	INF
82. Observation.informant.contextControlCode
Control	1..1
Binding	The codes SHALL be taken from ContextControl
Type	code
XML Representation	In the XML format, this property is represented as an attribute.
Default Value	OP
Fixed Value	OP
83. Observation.informant.assignedEntity
Control	0..1
Type	http://hl7.org/fhir/cda/StructureDefinition/AssignedEntity
84. Observation.informant.relatedEntity
Control	0..1
Type	http://hl7.org/fhir/cda/StructureDefinition/RelatedEntity
85. Observation.participant
Control	0..*
Type	http://hl7.org/fhir/cda/StructureDefinition/Participant2
86. Observation.entryRelationship
Control	0..*
Type	Element
Invariants	Defined on this element ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count())) obs-er-1: Only one of observation, regionOfInterest, observationMedia, substanceAdministration, supply, procedure, encounter, organizer, and act (: (observation \| regionOfInterest \| observationMedia \| substanceAdministration \| supply \| procedure \| encounter \| organizer \| act).count() = 1)
Slicing	This element introduces a set of slices on Observation.entryRelationship. The slices are unordered and Open, and can be differentiated using the following discriminators: profile @ observation
87. Observation.entryRelationship.id
Definition	Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.
Control	0..1
Type	string
XML Representation	In the XML format, this property is represented as an attribute.
Summary	false
88. Observation.entryRelationship.extension
Definition	May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.
Control	0..*
Type	Extension
Summary	false
Alternate Names	extensions, user content
Comments	There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.
Invariants	Defined on this element ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count())) ext-1: Must have either extensions or value[x], not both (: extension.exists() != value.exists())
Slicing	This element introduces a set of slices on Observation.entryRelationship.extension. The slices are unordered and Open, and can be differentiated using the following discriminators: value @ url
89. Observation.entryRelationship.typeCode
Control	1..1
Type	code
XML Representation	In the XML format, this property is represented as an attribute.
90. Observation.entryRelationship.inversionInd
Control	0..1
Type	boolean
XML Representation	In the XML format, this property is represented as an attribute.
91. Observation.entryRelationship.contextConductionInd
Control	1..1
Type	boolean
XML Representation	In the XML format, this property is represented as an attribute.
Default Value	true
92. Observation.entryRelationship.sequenceNumber
Control	0..1
Type	http://hl7.org/fhir/cda/StructureDefinition/INT
93. Observation.entryRelationship.negationInd
Control	0..1
Type	boolean
XML Representation	In the XML format, this property is represented as an attribute.
94. Observation.entryRelationship.seperatableInd
Control	0..1
Type	http://hl7.org/fhir/cda/StructureDefinition/BL
95. Observation.entryRelationship.observation
Control	0..1
Type	http://hl7.org/fhir/cda/StructureDefinition/Observation
96. Observation.entryRelationship.regionOfInterest
Control	0..1
Type	http://hl7.org/fhir/cda/StructureDefinition/RegionOfInterest
97. Observation.entryRelationship.observationMedia
Control	0..1
Type	http://hl7.org/fhir/cda/StructureDefinition/ObservationMedia
98. Observation.entryRelationship.substanceAdministration
Control	0..1
Type	http://hl7.org/fhir/cda/StructureDefinition/SubstanceAdministration
99. Observation.entryRelationship.supply
Control	0..1
Type	http://hl7.org/fhir/cda/StructureDefinition/Supply
100. Observation.entryRelationship.procedure
Control	0..1
Type	http://hl7.org/fhir/cda/StructureDefinition/Procedure
101. Observation.entryRelationship.encounter
Control	0..1
Type	http://hl7.org/fhir/cda/StructureDefinition/Encounter
102. Observation.entryRelationship.organizer
Control	0..1
Type	http://hl7.org/fhir/cda/StructureDefinition/Organizer
103. Observation.entryRelationship.act
Control	0..1
Type	http://hl7.org/fhir/cda/StructureDefinition/Act
104. Observation.entryRelationship:problemObservation
SliceName	problemObservation
Control	0..1
Type	Element
Requirements	SHOULD contain zero or one [0..1] entryRelationship (CONF:1198-14868) such that it
Invariants	Defined on this element ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count())) obs-er-1: Only one of observation, regionOfInterest, observationMedia, substanceAdministration, supply, procedure, encounter, organizer, and act (: (observation \| regionOfInterest \| observationMedia \| substanceAdministration \| supply \| procedure \| encounter \| organizer \| act).count() = 1)
105. Observation.entryRelationship:problemObservation.id
Definition	Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.
Control	0..1
Type	string
XML Representation	In the XML format, this property is represented as an attribute.
Summary	false
106. Observation.entryRelationship:problemObservation.extension
Definition	May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.
Control	0..*
Type	Extension
Summary	false
Alternate Names	extensions, user content
Comments	There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.
Invariants	Defined on this element ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count())) ext-1: Must have either extensions or value[x], not both (: extension.exists() != value.exists())
Slicing	This element introduces a set of slices on Observation.entryRelationship.extension. The slices are unordered and Open, and can be differentiated using the following discriminators: value @ url
107. Observation.entryRelationship:problemObservation.typeCode
Control	1..1
Type	code
XML Representation	In the XML format, this property is represented as an attribute.
Requirements	SHALL contain exactly one [1..1] @typeCode="CAUS" Is etiology for (CodeSystem: HL7ActRelationshipType urn:oid:2.16.840.1.113883.5.1002 STATIC) (CONF:1198-14875).
Pattern Value	CAUS
108. Observation.entryRelationship:problemObservation.inversionInd
Control	1..1
Type	boolean
XML Representation	In the XML format, this property is represented as an attribute.
Requirements	SHALL contain exactly one [1..1] @inversionInd="true" True (CONF:1198-32900).
Pattern Value	true
109. Observation.entryRelationship:problemObservation.contextConductionInd
Control	1..1
Type	boolean
XML Representation	In the XML format, this property is represented as an attribute.
Default Value	true
110. Observation.entryRelationship:problemObservation.sequenceNumber
Control	0..1
Type	http://hl7.org/fhir/cda/StructureDefinition/INT
111. Observation.entryRelationship:problemObservation.negationInd
Control	0..1
Type	boolean
XML Representation	In the XML format, this property is represented as an attribute.
112. Observation.entryRelationship:problemObservation.seperatableInd
Control	0..1
Type	http://hl7.org/fhir/cda/StructureDefinition/BL
113. Observation.entryRelationship:problemObservation.observation
Definition	Base definition for all types defined in FHIR type system.
Control	1..1
Type	http://hl7.org/fhir/cda/StructureDefinition/Observation(ProblemObservation)
Requirements	SHALL contain exactly one [1..1] Problem Observation (V3) (identifier: urn:hl7ii:2.16.840.1.113883.10.20.22.4.4:2015-08-01) (CONF:1198-14870).
Invariants	Defined on this element ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
114. Observation.entryRelationship:problemObservation.regionOfInterest
Control	0..0
Type	http://hl7.org/fhir/cda/StructureDefinition/RegionOfInterest
115. Observation.entryRelationship:problemObservation.observationMedia
Control	0..0
Type	http://hl7.org/fhir/cda/StructureDefinition/ObservationMedia
116. Observation.entryRelationship:problemObservation.substanceAdministration
Control	0..0
Type	http://hl7.org/fhir/cda/StructureDefinition/SubstanceAdministration
117. Observation.entryRelationship:problemObservation.supply
Control	0..0
Type	http://hl7.org/fhir/cda/StructureDefinition/Supply
118. Observation.entryRelationship:problemObservation.procedure
Control	0..0
Type	http://hl7.org/fhir/cda/StructureDefinition/Procedure
119. Observation.entryRelationship:problemObservation.encounter
Control	0..0
Type	http://hl7.org/fhir/cda/StructureDefinition/Encounter
120. Observation.entryRelationship:problemObservation.organizer
Control	0..0
Type	http://hl7.org/fhir/cda/StructureDefinition/Organizer
121. Observation.entryRelationship:problemObservation.act
Control	0..0
Type	http://hl7.org/fhir/cda/StructureDefinition/Act
122. Observation.reference
Control	0..*
Type	Element
Invariants	Defined on this element ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
123. Observation.reference.id
Definition	Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.
Control	0..1
Type	string
XML Representation	In the XML format, this property is represented as an attribute.
Summary	false
124. Observation.reference.extension
Definition	May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.
Control	0..*
Type	Extension
Summary	false
Alternate Names	extensions, user content
Comments	There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.
Invariants	Defined on this element ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count())) ext-1: Must have either extensions or value[x], not both (: extension.exists() != value.exists())
Slicing	This element introduces a set of slices on Observation.reference.extension. The slices are unordered and Open, and can be differentiated using the following discriminators: value @ url
125. Observation.reference.typeCode
Control	1..1
Type	code
XML Representation	In the XML format, this property is represented as an attribute.
126. Observation.reference.seperatableInd
Control	0..1
Type	http://hl7.org/fhir/cda/StructureDefinition/BL
127. Observation.reference.externalAct
Control	0..1
Type	http://hl7.org/fhir/cda/StructureDefinition/ExternalAct
128. Observation.reference.externalObservation
Control	0..1
Type	http://hl7.org/fhir/cda/StructureDefinition/ExternalObservation
129. Observation.reference.externalProcedure
Control	0..1
Type	http://hl7.org/fhir/cda/StructureDefinition/ExternalProcedure
130. Observation.reference.externalDocument
Control	0..1
Type	http://hl7.org/fhir/cda/StructureDefinition/ExternalDocument
131. Observation.precondition
Control	0..*
Type	http://hl7.org/fhir/cda/StructureDefinition/Precondition
132. Observation.referenceRange
Control	0..*
Type	Element
Invariants	Defined on this element ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
133. Observation.referenceRange.id
Definition	Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.
Control	0..1
Type	string
XML Representation	In the XML format, this property is represented as an attribute.
Summary	false
134. Observation.referenceRange.extension
Definition	May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.
Control	0..*
Type	Extension
Summary	false
Alternate Names	extensions, user content
Comments	There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.
Invariants	Defined on this element ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count())) ext-1: Must have either extensions or value[x], not both (: extension.exists() != value.exists())
Slicing	This element introduces a set of slices on Observation.referenceRange.extension. The slices are unordered and Open, and can be differentiated using the following discriminators: value @ url
135. Observation.referenceRange.typeCode
Control	1..1
Binding	The codes SHALL be taken from ActRelationshipPertains
Type	code
XML Representation	In the XML format, this property is represented as an attribute.
Default Value	REFV
Fixed Value	REFV
136. Observation.referenceRange.observationRange
Control	1..1
Type	http://hl7.org/fhir/cda/StructureDefinition/ObservationRange