FHIR Release 4 3 (STU)

This page is part of the FHIR Specification (v4.0.1: R4 - Mixed Normative and (v3.0.2: STU ) in it's permanent home (it will always be available at this URL). 3). The current version which supercedes this version is 5.0.0 . For a full list of available versions, see the Directory of published versions . Page versions: R5 R4B R4 R3 R2 R3

Content Examples Detailed Descriptions Mappings XML JSON 10.3.12.21 StructureDefinition: HDLCholesterol

Encounter-example-home.ttl

valueTime time valueDateTime dateTime valuePeriod Period dataAbsentReason I 0..1 CodeableConcept Why the component result is missing Binding: DataAbsentReason ( extensible ) interpretation I 0..* CodeableConcept High, low, normal, etc. Binding: Observation Interpretation Codes ( extensible ) referenceRange I 0..* Unknown reference to #Observation.referenceRange Provides guide for interpretation of component result Documentation for this format
Orders and Observations Patient Administration Work Group   Maturity Level : 1 N/A Trial Use Ballot Status : Informative Use Context Compartments : Not yet ready for Production use The official URL for this profile is: http://hl7.org/fhir/StructureDefinition/hdlcholesterol HDL Cholesterol Result This profile was published on Sat, May 12, 2012 00:00+1000 as a draft by Grahame Grieve. 10.3.12.21.1 Formal Views of Profile Content Description of Profiles, Differentials, Snapshots, and how the XML and JSON presentations work . Text Summary Differential Table Snapshot Table XML Template JSON Template All This structure is derived from Observation . Summary Mandatory: 3 elements Must-Support: 5 elements Fixed Value: 2 elements Prohibited: 6 elements This structure is derived from Observation . Name Flags Card. Type Description & Constraints Observation 1..1 HDL Cholesterol Result code S 1..1 CodeableConcept HDL Cholesterol Fixed Value: As shown coding 1..1 Coding Code defined by a terminology system Fixed Value: (complex) system 1..1 uri Identity of the terminology system Fixed Value: http://loinc.org code 1..1 code Symbol in syntax defined by the system Fixed Value: 2085-9 display 1..1 string Representation defined by the system Fixed Value: HDL Cholesterol valueQuantity S 0..1 Quantity HDL Cholesterol value interpretation S 0..1 CodeableConcept + | ++ | +++ | - | -- | --- note S 0..* Annotation Comments about result referenceRange S 1..1 BackboneElement low 1..1 SimpleQuantity Fixed Value: As shown value 1..1 decimal Numerical value (with implicit precision) Fixed Value: 1.5 high 0 .. 0 type 0 .. 0 appliesTo 0 .. 0 age 0 .. 0 hasMember 0 .. 0 derivedFrom 0 .. 0 Documentation for this format Name Flags Card. Type Description & Constraints Observation I 1..1 HDL Cholesterol Result id Σ 0..1 string Logical id of this artifact meta Σ I 0..1 Meta Metadata about the resource implicitRules ?! Σ I 0..1 uri A set of rules under which this content was created language I 0..1 code Language of the resource content Binding: Common Languages ( preferred ) Max Binding: All Languages text I 0..1 Narrative Text summary of the resource, for human interpretation contained 0..* Resource Contained, inline Resources extension I 0..* Extension Additional content defined by implementations modifierExtension ?! I 0..* Extension Extensions that cannot be ignored identifier Σ I 0..* Identifier Business Identifier for observation basedOn Σ I 0..* Reference ( CarePlan | DeviceRequest | ImmunizationRecommendation | MedicationRequest | NutritionOrder | ServiceRequest ) Fulfills plan, proposal or order partOf Σ I 0..* Reference ( MedicationAdministration | MedicationDispense | MedicationStatement | Procedure | Immunization | ImagingStudy ) Part of referenced event status ?! Σ I 1..1 code registered | preliminary | final | amended + Binding: ObservationStatus ( required ) category I 0..* CodeableConcept Classification of type of observation Binding: Observation Category Codes ( preferred ) code S Σ I 1..1 CodeableConcept HDL Cholesterol Binding: LOINC Codes ( example ) Fixed Value: As shown id 0..0 string Unique id for inter-element referencing extension 0..0 Extension Additional content defined by implementations coding 1..1 Coding Code defined by a terminology system Fixed Value: (complex) id 0..0 string Unique id for inter-element referencing extension 0..0 Extension Additional content defined by implementations system 1..1 uri Identity of the terminology system Fixed Value: http://loinc.org version 0..0 string Version of the system - if relevant code 1..1 code Symbol in syntax defined by the system Fixed Value: 2085-9 display 1..1 string Representation defined by the system Fixed Value: HDL Cholesterol userSelected 0..0 boolean If this coding was chosen directly by the user text 0..0 string Plain text representation of the concept subject Σ I 0..1 Reference ( Patient | Group | Device | Location ) Who and/or what the observation is about focus Σ I 0..* Reference ( Resource ) What the observation is about, when it is not about the subject of record encounter Σ I 0..1 Reference ( Encounter ) Healthcare event during which this observation is made effective[x] Σ I 0..1 Clinically relevant time/time-period for observation effectiveDateTime dateTime effectivePeriod Period effectiveTiming Timing effectiveInstant instant issued Σ I 0..1 instant Date/Time this version was made available performer Σ I 0..* Reference ( Practitioner | PractitionerRole | Organization | CareTeam | , Patient | , Practitioner , RelatedPerson ) Who is responsible for the observation value[x] Σ I (Slice Definition) Actual result Slice: Unordered, Closed by type:$this value[x]:valueQuantity S Σ I 0..1 Quantity HDL Cholesterol value dataAbsentReason I 0..1 CodeableConcept Why the result is missing Binding: DataAbsentReason ( extensible ) interpretation S I 0..1 CodeableConcept + | ++ | +++ | - | -- | --- Binding: Observation Interpretation Codes ( extensible ) note S I 0..* Annotation Comments about result bodySite I 0..1 CodeableConcept Observed body part Binding: SNOMED CT Body Structures ( example ) method I 0..1 CodeableConcept How it was done Binding: Observation Methods ( example ) specimen I 0..1 Reference ( Specimen ) Specimen used for this observation device I 0..1 Reference ( Device | DeviceMetric ) (Measurement) Device referenceRange S I 1..1 BackboneElement Provides guide for interpretation id 0..1 string Unique id for inter-element referencing extension I 0..* Extension Additional content defined by implementations modifierExtension ?! Σ I 0..* Extension Extensions that cannot be ignored even if unrecognized low I 1..1 SimpleQuantity A fixed quantity (no comparator) Fixed Value: As shown id 0..0 string Unique id for inter-element referencing extension 0..0 Extension Additional content defined by implementations value 1..1 decimal Numerical value (with implicit precision) Fixed Value: 1.5 comparator 0..0 code < | <= | >= | > - how to understand the value unit 0..0 string Unit representation system 0..0 uri System that defines coded unit form code 0..0 code Coded form of the unit text I 0..1 string Text based reference range in an observation component Σ I 0..* BackboneElement Component results id 0..1 string Unique id for inter-element referencing extension I 0..* Extension Additional content defined by implementations modifierExtension ?! Σ I 0..* Extension Extensions that cannot be ignored even if unrecognized code Σ I 1..1 CodeableConcept Type of component observation (code / type) Binding: LOINC Codes ( example ) value[x] Σ I 0..1 Actual component result valueQuantity Quantity valueCodeableConcept CodeableConcept valueString string valueBoolean boolean valueInteger integer valueRange Range valueRatio Ratio valueSampledData SampledData
<!-- Example Lipid Profile --> < xmlns="http://hl7.org/fhir" > <!-- from Element: --> <</id> <</meta> < < < Text summary of the resource, for human interpretation</text> <</contained> <<a href="hdlcholesterol-definitions.html#Observation.modifierExtension" title="May be used to represent additional information that is not part of the basic definition of the resource and that modifies the understanding of the element that contains it and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. 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 is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions. Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself) (this element modifies the meaning of other elements)" class="dict"></modifierExtension> < Business Identifier for observation</identifier> <</basedOn> <</partOf> < <</category> <</code> < Who and/or what the observation is about</subject> < What the observation is about, when it is not about the subject of record</focus> < Healthcare event during which this observation is made</encounter> < Clinically relevant time/time-period for observation</effective[x]> < < Who is responsible for the observation</performer> <</valueQuantity> <</dataAbsentReason> <</interpretation> <</note> <</bodySite> <</method> <</specimen> <</device> < <<a href="hdlcholesterol-definitions.html#Observation.referenceRange.modifierExtension" title="May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. 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. Applications processing a resource are required to check for modifier extensions. Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself) (this element modifies the meaning of other elements)" class="dict"></modifierExtension> < A fixed quantity (no comparator)</low> < High Range, if relevant</high> <</type> <</appliesTo> < Applicable age range, if relevant</age> < </referenceRange> < Related resource that belongs to the Observation group</hasMember> < Related measurements the observation is made from</derivedFrom> < <<a href="hdlcholesterol-definitions.html#Observation.component.modifierExtension" title="May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. 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. Applications processing a resource are required to check for modifier extensions. Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself) (this element modifies the meaning of other elements)" class="dict"></modifierExtension> <</code> <| Actual component result</value[x]> <</dataAbsentReason> <</interpretation> <</referenceRange> </component> </Observation> { // // from Element: " " " " " "<a href="hdlcholesterol-definitions.html#Observation.modifierExtension" title="May be used to represent additional information that is not part of the basic definition of the resource and that modifies the understanding of the element that contains it and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. 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 is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions. Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself) (this element modifies the meaning of other elements)" class="dict"> " " " " " " " " " " " " " " " " { // // from Element: } ], " " " " " " " " " }

This structure is derived from Observation . Raw Turtle , JSON-LD Summary

Mandatory: 3 elements Must-Support: 5 elements Fixed Value: 2 elements Prohibited: 6 elements Differential View This structure is derived from Observation . Name Flags Card. Type Description & Constraints Observation 1..1 HDL Cholesterol Result code S 1..1 CodeableConcept HDL Cholesterol Fixed Value: As shown coding 1..1 Coding Code defined by a terminology system Fixed Value: (complex) system 1..1 uri Identity of the terminology system Fixed Value: http://loinc.org code 1..1 code Symbol in syntax defined by the system Fixed Value: 2085-9 display 1..1 string Representation defined by the system Fixed Value: HDL Cholesterol valueQuantity S 0..1 Quantity HDL Cholesterol value interpretation S 0..1 CodeableConcept + | ++ | +++ | - | -- | --- note S 0..* Annotation Comments about result referenceRange S 1..1 BackboneElement low 1..1 SimpleQuantity Fixed Value: As shown value 1..1 decimal Numerical value (with implicit precision) Fixed Value: 1.5 high 0 .. 0 type 0 .. 0 appliesTo 0 .. 0 age 0 .. 0 hasMember 0 .. 0 derivedFrom 0 .. 0 Documentation for this format Snapshot View Name Flags Card. Type Description & Constraints Observation I 1..1 HDL Cholesterol Result id Σ 0..1 string Logical id of this artifact meta Σ I 0..1 Meta Metadata about the resource implicitRules ?! Σ I 0..1 uri A set of rules under which this content was created language I 0..1 code Language of the resource content Binding: Common Languages ( preferred ) Max Binding: All Languages text I 0..1 Narrative Text summary of the resource, for human interpretation contained 0..* Resource Contained, inline Resources extension I 0..* Extension Additional content defined by implementations modifierExtension ?! I 0..* Extension Extensions that cannot be ignored identifier Σ I 0..* Identifier Business Identifier for observation basedOn Σ I 0..* Reference ( CarePlan | DeviceRequest | ImmunizationRecommendation | MedicationRequest | NutritionOrder | ServiceRequest ) Fulfills plan, proposal or order partOf Σ I 0..* Reference ( MedicationAdministration | MedicationDispense | MedicationStatement | Procedure | Immunization | ImagingStudy ) Part of referenced event status ?! Σ I 1..1 code registered | preliminary | final | amended + Binding: ObservationStatus ( required ) category I 0..* CodeableConcept Classification of type of observation Binding: Observation Category Codes ( preferred ) code S Σ I 1..1 CodeableConcept HDL Cholesterol Binding: LOINC Codes ( example ) Fixed Value: As shown id 0..0 string Unique id for inter-element referencing extension 0..0 Extension Additional content defined by implementations coding 1..1 Coding Code defined by a terminology system Fixed Value: (complex) id 0..0 string Unique id for inter-element referencing extension 0..0 Extension Additional content defined by implementations system 1..1 uri Identity of the terminology system Fixed Value: http://loinc.org version 0..0 string Version of the system - if relevant code 1..1 code Symbol in syntax defined by the system Fixed Value: 2085-9 display 1..1 string Representation defined by the system Fixed Value: HDL Cholesterol userSelected 0..0 boolean If this coding was chosen directly by the user text 0..0 string Plain text representation of the concept subject Σ I 0..1 Reference ( Patient | Group | Device | Location ) Who and/or what the observation is about focus Σ I 0..* Reference ( Resource ) What the observation is about, when it is not about the subject of record encounter Σ I 0..1 Reference ( Encounter ) Healthcare event during which this observation is made effective[x] Σ I 0..1 Clinically relevant time/time-period for observation effectiveDateTime dateTime effectivePeriod Period effectiveTiming Timing effectiveInstant instant issued Σ I 0..1 instant Date/Time this version was made available performer Σ I 0..* Reference ( Practitioner | PractitionerRole | Organization | CareTeam | Patient | RelatedPerson ) Who is responsible for the observation value[x] Σ I (Slice Definition) Actual result Slice: Unordered, Closed by type:$this value[x]:valueQuantity S Σ I 0..1 Quantity HDL Cholesterol value dataAbsentReason I 0..1 CodeableConcept Why the result is missing Binding: DataAbsentReason ( extensible ) interpretation S I 0..1 CodeableConcept + | ++ | +++ | - | -- | --- Binding: Observation Interpretation Codes ( extensible ) note S I 0..* Annotation Comments about result bodySite I 0..1 CodeableConcept Observed body part Binding: SNOMED CT Body Structures ( example ) method I 0..1 CodeableConcept How it was done Binding: Observation Methods ( example ) specimen I 0..1 Reference ( Specimen ) Specimen used for this observation device I 0..1 Reference ( Device | DeviceMetric ) (Measurement) Device referenceRange S I 1..1 BackboneElement Provides guide for interpretation id 0..1 string Unique id for inter-element referencing extension I 0..* Extension Additional content defined by implementations modifierExtension ?! Σ I 0..* Extension Extensions that cannot be ignored even if unrecognized low I 1..1 SimpleQuantity A fixed quantity (no comparator) Fixed Value: As shown id 0..0 string Unique id for inter-element referencing extension 0..0 Extension Additional content defined by implementations value 1..1 decimal Numerical value (with implicit precision) Fixed Value: 1.5 comparator 0..0 code < | <= | >= | > - how to understand the value unit 0..0 string Unit representation system 0..0 uri System that defines coded unit form code 0..0 code Coded form of the unit text I 0..1 string Text based reference range in an observation component Σ I 0..* BackboneElement Component results id 0..1 string Unique id for inter-element referencing extension I 0..* Extension Additional content defined by implementations modifierExtension ?! Σ I 0..* Extension Extensions that cannot be ignored even if unrecognized code Σ I 1..1 CodeableConcept Type of component observation (code / type) Binding: LOINC Codes ( example ) value[x] Σ I 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 I 0..1 CodeableConcept Why the component result is missing Binding: DataAbsentReason ( extensible ) interpretation I 0..* CodeableConcept High, low, normal, etc. Binding: Observation Interpretation Codes ( extensible ) referenceRange I 0..* Unknown reference to #Observation.referenceRange Provides guide for interpretation of component result Documentation for this format XML Template virtual encounter

<!-- Example Lipid Profile --> 
@prefix fhir: <http://hl7.org/fhir/> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .


< xmlns="http://hl7.org/fhir"
>
  <!-- from Element:  -->
 <</id>
 <</meta>
 <
 <
 <
     Text summary of the resource, for human interpretation</text>
 <</contained>
 <<a href="hdlcholesterol-definitions.html#Observation.modifierExtension" title="May be used to represent additional information that is not part of the basic definition of the resource and that modifies the understanding of the element that contains it and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. 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 is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

# - resource -------------------------------------------------------------------


Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself) (this element modifies the meaning of other elements)" class="dict"></modifierExtension>
 <
     Business Identifier for observation</identifier>
 <</basedOn>
 <</partOf>
 <
 <</category>
 <</code>
 <
     Who and/or what the observation is about</subject>
 <
     What the observation is about, when it is not about the subject of record</focus>
 <
     Healthcare event during which this observation is made</encounter>
 <
     Clinically relevant time/time-period for observation</effective[x]>
 <
 <
     Who is responsible for the observation</performer>
 
 <</valueQuantity>
 <</dataAbsentReason>
 <</interpretation>
 <</note>
 <</bodySite>
 <</method>
 <</specimen>
 <</device>
 <
  <<a href="hdlcholesterol-definitions.html#Observation.referenceRange.modifierExtension" title="May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. 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. Applications processing a resource are required to check for modifier extensions.

<http://hl7.org/fhir/Encounter/home> a fhir:Encounter;
  fhir:nodeRole fhir:treeRoot;
  fhir:Resource.id [ fhir:value "home"];
  fhir:DomainResource.text [
     fhir:Narrative.status [ fhir:value "generated" ];
     fhir:Narrative.div "<div xmlns=\"http://www.w3.org/1999/xhtml\">Encounter with patient @example who is at home</div>"
  ];
  fhir:DomainResource.contained [
     a fhir:Location;
     fhir:index 0;
     fhir:Resource.id [ fhir:value "home" ];
     fhir:Location.description [ fhir:value "Client's home" ];
     fhir:Location.mode [ fhir:value "kind" ]
  ];
  fhir:Encounter.status [ fhir:value "finished"];
  fhir:Encounter.class [
     fhir:Coding.system [ fhir:value "http://hl7.org/fhir/v3/ActCode" ];
     fhir:Coding.code [ fhir:value "HH" ];
     fhir:Coding.display [ fhir:value "home health" ]
  ];
  fhir:Encounter.subject [
     fhir:link <http://hl7.org/fhir/Patient/example>;
     fhir:Reference.reference [ fhir:value "Patient/example" ]
  ];
  fhir:Encounter.participant [
     fhir:index 0;
     fhir:Encounter.participant.period [
       fhir:Period.start [ fhir:value "2015-01-17T16:00:00+10:00"^^xsd:dateTime ];
       fhir:Period.end [ fhir:value "2015-01-17T16:30:00+10:00"^^xsd:dateTime ]
     ];
     fhir:Encounter.participant.individual [
       fhir:link <http://hl7.org/fhir/Practitioner/example>;
       fhir:Reference.reference [ fhir:value "Practitioner/example" ];
       fhir:Reference.display [ fhir:value "Dr Adam Careful" ]
     ]
  ];
  fhir:Encounter.period [
     fhir:Period.start [ fhir:value "2015-01-17T16:00:00+10:00"^^xsd:dateTime ];
     fhir:Period.end [ fhir:value "2015-01-17T16:30:00+10:00"^^xsd:dateTime ]
  ];
  fhir:Encounter.location [
     fhir:index 0;
     fhir:Encounter.location.location [
       fhir:Reference.reference [ fhir:value "#home" ];
       fhir:Reference.display [ fhir:value "Client's home" ]
     ];
     fhir:Encounter.location.status [ fhir:value "completed" ];
     fhir:Encounter.location.period [
       fhir:Period.start [ fhir:value "2015-01-17T16:00:00+10:00"^^xsd:dateTime ];
       fhir:Period.end [ fhir:value "2015-01-17T16:30:00+10:00"^^xsd:dateTime ]
     ]
  ] .


Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself) (this element modifies the meaning of other elements)" class="dict"></modifierExtension>
  <
      A fixed quantity (no comparator)</low>
  <
      High Range, if relevant</high>
  <</type>
  <</appliesTo>
  <
      Applicable age range, if relevant</age>
  <
 </referenceRange>
 <
     Related resource that belongs to the Observation group</hasMember>
 <
     Related measurements the observation is made from</derivedFrom>
 <
  <<a href="hdlcholesterol-definitions.html#Observation.component.modifierExtension" title="May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. 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. Applications processing a resource are required to check for modifier extensions.

<http://hl7.org/fhir/Patient/example> a fhir:Patient .

<http://hl7.org/fhir/Practitioner/example> a fhir:Practitioner .

# - ontology header ------------------------------------------------------------

<http://hl7.org/fhir/Encounter/home.ttl> a owl:Ontology;
  owl:imports fhir:fhir.ttl;
  owl:versionIRI <http://hl7.org/fhir/STU3/Encounter/home.ttl> .

# -------------------------------------------------------------------------------------


Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself) (this element modifies the meaning of other elements)" class="dict"></modifierExtension>
  <</code>
  <|
    
      Actual component result</value[x]>
  <</dataAbsentReason>
  <</interpretation>
  <</referenceRange>
 </component>
</Observation>
JSON
Template
    
{ // 
  // from Element: 
    "
    "
    "
    "
    "
    "<a href="hdlcholesterol-definitions.html#Observation.modifierExtension" title="May be used to represent additional information that is not part of the basic definition of the resource and that modifies the understanding of the element that contains it and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. 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 is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.


Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself) (this element modifies the meaning of other elements)" class="dict">
    "
    "
    "
    "
    "
    " 
    "
    "
    "

    "
    "
    "
    "
    "
    "
    " 
      { // 
        // from Element: 
      }
    ],
    "
    "
    "
    "
    "
    "
    "
    "
    "
  }
 

Alternate definitions: Master Definition ( XML , JSON ), Schematron Usage note: every effort has been made to ensure that the examples are correct and useful, but they are not a normative part of the specification.

10.3.12.21.2 Terminology Bindings Path Name Conformance ValueSet Observation.language Common Languages preferred Common Languages Observation.status ObservationStatus required ObservationStatus Observation.category Observation Category Codes preferred Observation Category Codes Observation.code LOINC Codes example LOINC Codes Observation.dataAbsentReason DataAbsentReason extensible DataAbsentReason Observation.interpretation Observation Interpretation Codes extensible Observation Interpretation Codes Observation.bodySite SNOMED CT Body Structures example SNOMED CT Body Structures Observation.method Observation Methods example Observation Methods Observation.component.code LOINC Codes example LOINC Codes Observation.component.dataAbsentReason DataAbsentReason extensible DataAbsentReason Observation.component.interpretation Observation Interpretation Codes extensible Observation Interpretation Codes .