DRAFT PH Road Safety Implementation Guide
            
            0.2.0 - ci-build
  
            
          
DRAFT PH Road Safety Implementation Guide, published by UP Manila - National Institutes of Health - National Telehealth Center. This guide is not an authorized publication; it is the continuous build for version 0.2.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/UPM-NTHC/PH-RoadSafetyIG/ and changes regularly. See the Directory of published versions
| Official URL: https://build.fhir.org/ig/UPM-NTHC/PH-RoadSafetyIG/StructureDefinition/rs-observation-timeline-datetime | Version: 0.2.0 | |||
| Draft as of 2025-11-03 | Computable Name: RSObsTimelineDateTime | |||
Dispatch and transport timeline events capturing a precise date/time.
Usages:
You can also check for usages in the FHIR IG Statistics
Description of Profiles, Differentials, Snapshots and how the different presentations work.
| Name | Flags | Card. | Type | Description & Constraints    Filter:  ![]() ![]()  | 
|---|---|---|---|---|
![]()  | 
C | 0..* | RSObservation | Measurements and simple assertions Constraints: obs-6, obs-7  | 
![]() ![]()  | 
?!Σ | 0..1 | uri | A set of rules under which this content was created | 
![]() ![]()  | 
?! | 0..* | Extension | Extensions that cannot be ignored | 
![]() ![]()  | 
?!SΣ | 1..1 | code | registered | preliminary | final | amended + Binding: ObservationStatus (required): Codes providing the status of an observation.  | 
![]() ![]()  | 
SΣ | 1..1 | CodeableConcept | Type of observation (code / type) Binding: LOINCCodes (example): Codes identifying names of simple observations.  | 
![]() ![]() ![]()  | 
SΣ | 0..1 | Coding | Code defined by a terminology system | 
![]() ![]()  | 
SΣ | 1..1 | Reference(RS Patient) | Who and/or what the observation is about | 
![]() ![]()  | 
SΣ | 0..1 | Reference(RS Encounter) | Healthcare event during which this observation is made | 
![]() ![]()  | 
SΣ | 0..1 | Clinically relevant time/time-period for observation | |
![]() ![]() ![]()  | 
dateTime | |||
![]() ![]() ![]()  | 
Period | |||
![]() ![]() ![]()  | 
Timing | |||
![]() ![]() ![]()  | 
instant | |||
![]() ![]()  | 
ΣC | 1..1 | dateTime | Actual result Slice: Unordered, Closed by type:$this  | 
![]() ![]() ![]()  | 
SΣC | 1..1 | dateTime | Actual result | 
  Documentation for this format | ||||
| Path | Status | Usage | ValueSet | Version | Source | 
| Observation.status | Base | required | ObservationStatus | 📍4.0.1 | FHIR Std. | 
| Observation.code | Base | example | LOINC Codes | 📍4.0.1 | FHIR Std. | 
| 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()
     | 
  
This structure is derived from RSObservation
| Name | Flags | Card. | Type | Description & Constraints    Filter:  ![]() ![]()  | 
|---|---|---|---|---|
![]()  | 
RSObservation | |||
![]() ![]()  | 
||||
![]() ![]() ![]()  | 
S | 0..1 | Coding | Code defined by a terminology system | 
![]() ![]()  | 
1..1 | dateTime | Actual result Slice: Unordered, Open by type:$this  | |
![]() ![]() ![]()  | 
S | 1..1 | dateTime | Actual result | 
  Documentation for this format | ||||
| Name | Flags | Card. | Type | Description & Constraints    Filter:  ![]() ![]()  | ||||
|---|---|---|---|---|---|---|---|---|
![]()  | 
C | 0..* | RSObservation | Measurements and simple assertions Constraints: obs-6, obs-7  | ||||
![]() ![]()  | 
Σ | 0..1 | id | Logical id of this artifact | ||||
![]() ![]()  | 
Σ | 0..1 | Meta | Metadata about the resource | ||||
![]() ![]()  | 
?!Σ | 0..1 | uri | A set of rules under which this content was created | ||||
![]() ![]()  | 
0..1 | code | Language of the resource content Binding: CommonLanguages (preferred): A human language. 
  | |||||
![]() ![]()  | 
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  | |||||
![]() ![]()  | 
0..* | Resource | Contained, inline Resources | |||||
![]() ![]()  | 
0..* | Extension | Additional content defined by implementations | |||||
![]() ![]()  | 
?! | 0..* | Extension | Extensions that cannot be ignored | ||||
![]() ![]()  | 
Σ | 0..* | Identifier | Business Identifier for observation | ||||
![]() ![]()  | 
Σ | 0..* | Reference(CarePlan | DeviceRequest | ImmunizationRecommendation | MedicationRequest | NutritionOrder | ServiceRequest) | Fulfills plan, proposal or order | ||||
![]() ![]()  | 
Σ | 0..* | Reference(MedicationAdministration | MedicationDispense | MedicationStatement | Procedure | Immunization | ImagingStudy) | Part of referenced event | ||||
![]() ![]()  | 
?!SΣ | 1..1 | code | registered | preliminary | final | amended + Binding: ObservationStatus (required): Codes providing the status of an observation.  | ||||
![]() ![]()  | 
0..* | CodeableConcept | Classification of  type of observation Binding: ObservationCategoryCodes (preferred): Codes for high level observation categories.  | |||||
![]() ![]()  | 
SΣ | 1..1 | CodeableConcept | Type of observation (code / type) Binding: LOINCCodes (example): Codes identifying names of simple observations.  | ||||
![]() ![]() ![]()  | 
0..1 | string | Unique id for inter-element referencing | |||||
![]() ![]() ![]()  | 
0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url  | |||||
![]() ![]() ![]()  | 
SΣ | 0..1 | Coding | Code defined by a terminology system | ||||
![]() ![]() ![]()  | 
Σ | 0..1 | string | Plain text representation of the concept | ||||
![]() ![]()  | 
SΣ | 1..1 | Reference(RS Patient) | Who and/or what the observation is about | ||||
![]() ![]()  | 
Σ | 0..* | Reference(Resource) | What the observation is about, when it is not about the subject of record | ||||
![]() ![]()  | 
SΣ | 0..1 | Reference(RS Encounter) | Healthcare event during which this observation is made | ||||
![]() ![]()  | 
SΣ | 0..1 | Clinically relevant time/time-period for observation | |||||
![]() ![]() ![]()  | 
dateTime | |||||||
![]() ![]() ![]()  | 
Period | |||||||
![]() ![]() ![]()  | 
Timing | |||||||
![]() ![]() ![]()  | 
instant | |||||||
![]() ![]()  | 
Σ | 0..1 | instant | Date/Time this version was made available | ||||
![]() ![]()  | 
Σ | 0..* | Reference(Practitioner | PractitionerRole | Organization | CareTeam | Patient | RelatedPerson) | Who is responsible for the observation | ||||
![]() ![]()  | 
ΣC | 1..1 | dateTime | Actual result Slice: Unordered, Closed by type:$this  | ||||
![]() ![]() ![]()  | 
SΣC | 1..1 | dateTime | Actual result | ||||
![]() ![]()  | 
C | 0..1 | CodeableConcept | Why the result is missing Binding: DataAbsentReason (extensible): Codes specifying why the result (Observation.value[x]) is missing.  | ||||
![]() ![]()  | 
0..* | CodeableConcept | High, low, normal, etc. Binding: ObservationInterpretationCodes (extensible): Codes identifying interpretations of observations.  | |||||
![]() ![]()  | 
0..* | Annotation | Comments about the observation | |||||
![]() ![]()  | 
0..1 | CodeableConcept | Observed body part Binding: SNOMEDCTBodyStructures (example): Codes describing anatomical locations. May include laterality.  | |||||
![]() ![]()  | 
0..1 | CodeableConcept | How it was done Binding: ObservationMethods (example): Methods for simple observations.  | |||||
![]() ![]()  | 
0..1 | Reference(Specimen) | Specimen used for this observation | |||||
![]() ![]()  | 
0..1 | Reference(Device | DeviceMetric) | (Measurement) Device | |||||
![]() ![]()  | 
C | 0..* | BackboneElement | Provides guide for interpretation Constraints: obs-3  | ||||
![]() ![]() ![]()  | 
0..1 | string | Unique id for inter-element referencing | |||||
![]() ![]() ![]()  | 
0..* | Extension | Additional content defined by implementations | |||||
![]() ![]() ![]()  | 
?!Σ | 0..* | Extension | Extensions that cannot be ignored even if unrecognized | ||||
![]() ![]() ![]()  | 
C | 0..1 | SimpleQuantity(4.0.1) | Low Range, if relevant | ||||
![]() ![]() ![]()  | 
C | 0..1 | SimpleQuantity(4.0.1) | High Range, if relevant | ||||
![]() ![]() ![]()  | 
0..1 | CodeableConcept | Reference range qualifier Binding: ObservationReferenceRangeMeaningCodes (preferred): Code for the meaning of a reference range.  | |||||
![]() ![]() ![]()  | 
0..* | CodeableConcept | Reference range population Binding: ObservationReferenceRangeAppliesToCodes (example): Codes identifying the population the reference range applies to.  | |||||
![]() ![]() ![]()  | 
0..1 | Range | Applicable age range, if relevant | |||||
![]() ![]() ![]()  | 
0..1 | string | Text based reference range in an observation | |||||
![]() ![]()  | 
Σ | 0..* | Reference(Observation | QuestionnaireResponse | MolecularSequence) | Related resource that belongs to the Observation group | ||||
![]() ![]()  | 
Σ | 0..* | Reference(DocumentReference | ImagingStudy | Media | QuestionnaireResponse | Observation | MolecularSequence) | Related measurements the observation is made from | ||||
![]() ![]()  | 
Σ | 0..* | BackboneElement | Component results | ||||
![]() ![]() ![]()  | 
0..1 | string | Unique id for inter-element referencing | |||||
![]() ![]() ![]()  | 
0..* | Extension | Additional content defined by implementations | |||||
![]() ![]() ![]()  | 
?!Σ | 0..* | Extension | Extensions that cannot be ignored even if unrecognized | ||||
![]() ![]() ![]()  | 
Σ | 1..1 | CodeableConcept | Type of component observation (code / type) Binding: LOINCCodes (example): Codes identifying names of simple observations.  | ||||
![]() ![]() ![]()  | 
Σ | 0..1 | Actual component result | |||||
![]() ![]() ![]() ![]()  | 
Quantity | |||||||
![]() ![]() ![]() ![]()  | 
CodeableConcept | |||||||
![]() ![]() ![]() ![]()  | 
string | |||||||
![]() ![]() ![]() ![]()  | 
boolean | |||||||
![]() ![]() ![]() ![]()  | 
integer | |||||||
![]() ![]() ![]() ![]()  | 
Range | |||||||
![]() ![]() ![]() ![]()  | 
Ratio | |||||||
![]() ![]() ![]() ![]()  | 
SampledData | |||||||
![]() ![]() ![]() ![]()  | 
time | |||||||
![]() ![]() ![]() ![]()  | 
dateTime | |||||||
![]() ![]() ![]() ![]()  | 
Period | |||||||
![]() ![]() ![]()  | 
C | 0..1 | CodeableConcept | Why the component result is missing Binding: DataAbsentReason (extensible): Codes specifying why the result (Observation.value[x]) is missing.  | ||||
![]() ![]() ![]()  | 
0..* | CodeableConcept | High, low, normal, etc. Binding: ObservationInterpretationCodes (extensible): Codes identifying interpretations of observations.  | |||||
![]() ![]() ![]()  | 
0..* | See referenceRange (Observation) | Provides guide for interpretation of component result | |||||
  Documentation for this format | ||||||||
| Path | Status | Usage | ValueSet | Version | Source | 
| Observation.language | Base | preferred | Common Languages | 📍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.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.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. | 
| 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()
     | 
  
This structure is derived from RSObservation
Summary
Mandatory: 2 elements
 Must-Support: 2 elements
Slices
This structure defines the following Slices:
Key Elements View
| Name | Flags | Card. | Type | Description & Constraints    Filter:  ![]() ![]()  | 
|---|---|---|---|---|
![]()  | 
C | 0..* | RSObservation | Measurements and simple assertions Constraints: obs-6, obs-7  | 
![]() ![]()  | 
?!Σ | 0..1 | uri | A set of rules under which this content was created | 
![]() ![]()  | 
?! | 0..* | Extension | Extensions that cannot be ignored | 
![]() ![]()  | 
?!SΣ | 1..1 | code | registered | preliminary | final | amended + Binding: ObservationStatus (required): Codes providing the status of an observation.  | 
![]() ![]()  | 
SΣ | 1..1 | CodeableConcept | Type of observation (code / type) Binding: LOINCCodes (example): Codes identifying names of simple observations.  | 
![]() ![]() ![]()  | 
SΣ | 0..1 | Coding | Code defined by a terminology system | 
![]() ![]()  | 
SΣ | 1..1 | Reference(RS Patient) | Who and/or what the observation is about | 
![]() ![]()  | 
SΣ | 0..1 | Reference(RS Encounter) | Healthcare event during which this observation is made | 
![]() ![]()  | 
SΣ | 0..1 | Clinically relevant time/time-period for observation | |
![]() ![]() ![]()  | 
dateTime | |||
![]() ![]() ![]()  | 
Period | |||
![]() ![]() ![]()  | 
Timing | |||
![]() ![]() ![]()  | 
instant | |||
![]() ![]()  | 
ΣC | 1..1 | dateTime | Actual result Slice: Unordered, Closed by type:$this  | 
![]() ![]() ![]()  | 
SΣC | 1..1 | dateTime | Actual result | 
  Documentation for this format | ||||
| Path | Status | Usage | ValueSet | Version | Source | 
| Observation.status | Base | required | ObservationStatus | 📍4.0.1 | FHIR Std. | 
| Observation.code | Base | example | LOINC Codes | 📍4.0.1 | FHIR Std. | 
| 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()
     | 
  
Differential View
This structure is derived from RSObservation
| Name | Flags | Card. | Type | Description & Constraints    Filter:  ![]() ![]()  | 
|---|---|---|---|---|
![]()  | 
RSObservation | |||
![]() ![]()  | 
||||
![]() ![]() ![]()  | 
S | 0..1 | Coding | Code defined by a terminology system | 
![]() ![]()  | 
1..1 | dateTime | Actual result Slice: Unordered, Open by type:$this  | |
![]() ![]() ![]()  | 
S | 1..1 | dateTime | Actual result | 
  Documentation for this format | ||||
Snapshot View
| Name | Flags | Card. | Type | Description & Constraints    Filter:  ![]() ![]()  | ||||
|---|---|---|---|---|---|---|---|---|
![]()  | 
C | 0..* | RSObservation | Measurements and simple assertions Constraints: obs-6, obs-7  | ||||
![]() ![]()  | 
Σ | 0..1 | id | Logical id of this artifact | ||||
![]() ![]()  | 
Σ | 0..1 | Meta | Metadata about the resource | ||||
![]() ![]()  | 
?!Σ | 0..1 | uri | A set of rules under which this content was created | ||||
![]() ![]()  | 
0..1 | code | Language of the resource content Binding: CommonLanguages (preferred): A human language. 
  | |||||
![]() ![]()  | 
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  | |||||
![]() ![]()  | 
0..* | Resource | Contained, inline Resources | |||||
![]() ![]()  | 
0..* | Extension | Additional content defined by implementations | |||||
![]() ![]()  | 
?! | 0..* | Extension | Extensions that cannot be ignored | ||||
![]() ![]()  | 
Σ | 0..* | Identifier | Business Identifier for observation | ||||
![]() ![]()  | 
Σ | 0..* | Reference(CarePlan | DeviceRequest | ImmunizationRecommendation | MedicationRequest | NutritionOrder | ServiceRequest) | Fulfills plan, proposal or order | ||||
![]() ![]()  | 
Σ | 0..* | Reference(MedicationAdministration | MedicationDispense | MedicationStatement | Procedure | Immunization | ImagingStudy) | Part of referenced event | ||||
![]() ![]()  | 
?!SΣ | 1..1 | code | registered | preliminary | final | amended + Binding: ObservationStatus (required): Codes providing the status of an observation.  | ||||
![]() ![]()  | 
0..* | CodeableConcept | Classification of  type of observation Binding: ObservationCategoryCodes (preferred): Codes for high level observation categories.  | |||||
![]() ![]()  | 
SΣ | 1..1 | CodeableConcept | Type of observation (code / type) Binding: LOINCCodes (example): Codes identifying names of simple observations.  | ||||
![]() ![]() ![]()  | 
0..1 | string | Unique id for inter-element referencing | |||||
![]() ![]() ![]()  | 
0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url  | |||||
![]() ![]() ![]()  | 
SΣ | 0..1 | Coding | Code defined by a terminology system | ||||
![]() ![]() ![]()  | 
Σ | 0..1 | string | Plain text representation of the concept | ||||
![]() ![]()  | 
SΣ | 1..1 | Reference(RS Patient) | Who and/or what the observation is about | ||||
![]() ![]()  | 
Σ | 0..* | Reference(Resource) | What the observation is about, when it is not about the subject of record | ||||
![]() ![]()  | 
SΣ | 0..1 | Reference(RS Encounter) | Healthcare event during which this observation is made | ||||
![]() ![]()  | 
SΣ | 0..1 | Clinically relevant time/time-period for observation | |||||
![]() ![]() ![]()  | 
dateTime | |||||||
![]() ![]() ![]()  | 
Period | |||||||
![]() ![]() ![]()  | 
Timing | |||||||
![]() ![]() ![]()  | 
instant | |||||||
![]() ![]()  | 
Σ | 0..1 | instant | Date/Time this version was made available | ||||
![]() ![]()  | 
Σ | 0..* | Reference(Practitioner | PractitionerRole | Organization | CareTeam | Patient | RelatedPerson) | Who is responsible for the observation | ||||
![]() ![]()  | 
ΣC | 1..1 | dateTime | Actual result Slice: Unordered, Closed by type:$this  | ||||
![]() ![]() ![]()  | 
SΣC | 1..1 | dateTime | Actual result | ||||
![]() ![]()  | 
C | 0..1 | CodeableConcept | Why the result is missing Binding: DataAbsentReason (extensible): Codes specifying why the result (Observation.value[x]) is missing.  | ||||
![]() ![]()  | 
0..* | CodeableConcept | High, low, normal, etc. Binding: ObservationInterpretationCodes (extensible): Codes identifying interpretations of observations.  | |||||
![]() ![]()  | 
0..* | Annotation | Comments about the observation | |||||
![]() ![]()  | 
0..1 | CodeableConcept | Observed body part Binding: SNOMEDCTBodyStructures (example): Codes describing anatomical locations. May include laterality.  | |||||
![]() ![]()  | 
0..1 | CodeableConcept | How it was done Binding: ObservationMethods (example): Methods for simple observations.  | |||||
![]() ![]()  | 
0..1 | Reference(Specimen) | Specimen used for this observation | |||||
![]() ![]()  | 
0..1 | Reference(Device | DeviceMetric) | (Measurement) Device | |||||
![]() ![]()  | 
C | 0..* | BackboneElement | Provides guide for interpretation Constraints: obs-3  | ||||
![]() ![]() ![]()  | 
0..1 | string | Unique id for inter-element referencing | |||||
![]() ![]() ![]()  | 
0..* | Extension | Additional content defined by implementations | |||||
![]() ![]() ![]()  | 
?!Σ | 0..* | Extension | Extensions that cannot be ignored even if unrecognized | ||||
![]() ![]() ![]()  | 
C | 0..1 | SimpleQuantity(4.0.1) | Low Range, if relevant | ||||
![]() ![]() ![]()  | 
C | 0..1 | SimpleQuantity(4.0.1) | High Range, if relevant | ||||
![]() ![]() ![]()  | 
0..1 | CodeableConcept | Reference range qualifier Binding: ObservationReferenceRangeMeaningCodes (preferred): Code for the meaning of a reference range.  | |||||
![]() ![]() ![]()  | 
0..* | CodeableConcept | Reference range population Binding: ObservationReferenceRangeAppliesToCodes (example): Codes identifying the population the reference range applies to.  | |||||
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0..1 | Range | Applicable age range, if relevant | |||||
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0..1 | string | Text based reference range in an observation | |||||
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Σ | 0..* | Reference(Observation | QuestionnaireResponse | MolecularSequence) | Related resource that belongs to the Observation group | ||||
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Σ | 0..* | Reference(DocumentReference | ImagingStudy | Media | QuestionnaireResponse | Observation | MolecularSequence) | Related measurements the observation is made from | ||||
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Σ | 0..* | BackboneElement | Component results | ||||
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0..1 | string | Unique id for inter-element referencing | |||||
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0..* | Extension | Additional content defined by implementations | |||||
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?!Σ | 0..* | Extension | Extensions that cannot be ignored even if unrecognized | ||||
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Σ | 1..1 | CodeableConcept | Type of component observation (code / type) Binding: LOINCCodes (example): Codes identifying names of simple observations.  | ||||
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Σ | 0..1 | Actual component result | |||||
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Quantity | |||||||
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CodeableConcept | |||||||
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string | |||||||
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boolean | |||||||
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integer | |||||||
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Range | |||||||
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Ratio | |||||||
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SampledData | |||||||
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time | |||||||
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dateTime | |||||||
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Period | |||||||
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C | 0..1 | CodeableConcept | Why the component result is missing Binding: DataAbsentReason (extensible): Codes specifying why the result (Observation.value[x]) is missing.  | ||||
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0..* | CodeableConcept | High, low, normal, etc. Binding: ObservationInterpretationCodes (extensible): Codes identifying interpretations of observations.  | |||||
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0..* | See referenceRange (Observation) | Provides guide for interpretation of component result | |||||
  Documentation for this format | ||||||||
| Path | Status | Usage | ValueSet | Version | Source | 
| Observation.language | Base | preferred | Common Languages | 📍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.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.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. | 
| 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()
     | 
  
This structure is derived from RSObservation
Summary
Mandatory: 2 elements
 Must-Support: 2 elements
Slices
This structure defines the following Slices:
Other representations of profile: CSV, Excel, Schematron