US Veterans Health Administration FHIR Map Set Implementation Guide
1.10.0 - 251101 United States of America flag

US Veterans Health Administration FHIR Map Set Implementation Guide - Downloaded Version 1.10.0 See the Directory of published versions

Resource Profile: Lab Observation: Chem, hem, tox, ria, ser Observation

Official URL: http://va.gov/fhir/StructureDefinition/LabObservationChemhemtoxriaserObservation Version: 1.10.0
Active as of 2025-11-04 Computable Name: LabObservationChemhemtoxriaserObservation

This StructureDefinition contains the maps for VistA file CHEM, HEM, TOX, RIA, SER, etc. (63.04) to us-core-observation-lab.

​See also the FHIR Shorthand.

Use Case Overview

Use Case: Lab Observation: Chem, hem, tox, ria, ser«us-core-diagnosticreport-lab»LabObservationChemhemtoxriaserDiagnosticReportbasedOn«us-core-observation-lab»LabObservationChemhemtoxriaserObservationperformer[va-at]performer[va-by]specimensubject«FHIR Specimen»LabObservationChemhemtoxriaserSpecimen«FHIR»ServiceRequestOrganizationPractitionerPatient

Usages:

You can also check for usages in the FHIR IG Statistics

Formal Views of Profile Content

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

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Observation C 0..* USCoreLaboratoryResultObservationProfile(5.0.1) Measurements and simple assertions
Constraints: obs-6, obs-7, us-core-2
... implicitRules ?!Σ 0..1 uri A set of rules under which this content was created
... modifierExtension ?! 0..* Extension Extensions that cannot be ignored
... identifier Σ 0..* Identifier Business Identifier for observation
.... use ?!Σ 0..1 code usual | official | temp | secondary | old (If known)
Binding: IdentifierUse (required): Identifies the purpose for this identifier, if known .
.... system SΣ 0..1 uri The namespace for the identifier value
Required Pattern: http://va.gov/identifiers/{sta3n}/63.04
.... value SΣ 0..1 string The value that is unique
Example General: 123456
... Slices for category S 1..* CodeableConcept Classification of type of observation
Slice: Unordered, Open by pattern:$this
Binding: ObservationCategoryCodes (preferred): Codes for high level observation categories.
.... category:Laboratory S 1..1 CodeableConcept Classification of type of observation
Binding: ObservationCategoryCodes (preferred): Codes for high level observation categories.

Required Pattern: At least the following
..... id 0..1 string Unique id for inter-element referencing
..... extension 0..* Extension Additional content defined by implementations
..... coding 1..* Coding Code defined by a terminology system
Fixed Value: (Complex)
...... id 0..1 string Unique id for inter-element referencing
...... extension 0..* Extension Additional content defined by implementations
...... system 1..1 uri Identity of the terminology system
Fixed Value: http://terminology.hl7.org/CodeSystem/observation-category
...... version 0..1 string Version of the system - if relevant
...... code 1..1 code Symbol in syntax defined by the system
Fixed Value: laboratory
...... display 0..1 string Representation defined by the system
...... userSelected 0..1 boolean If this coding was chosen directly by the user
..... text 0..1 string Plain text representation of the concept
... code SΣ 1..1 CodeableConcept Laboratory Test Name
Binding: LOINCCodes (extensible): LOINC codes
.... coding SΣ 0..* Coding Code defined by a terminology system
..... system SΣ 0..1 uri Identity of the terminology system
Required Pattern: http://loinc.org
..... code SΣ 0..1 code Symbol in syntax defined by the system
..... display SΣ 0..1 string Representation defined by the system
... subject SΣ 1..1 Reference(Patient) Who and/or what the observation is about
... Slices for effective[x] SΣC 0..1 Clinically relevant time/time-period for observation
Slice: Unordered, Open by type:$this
Constraints: us-core-1
.... effectiveDateTime dateTime S
.... effectivePeriod Period
.... effectiveTiming Timing
.... effectiveInstant instant
.... effective[x]:effectiveDateTime SΣC 0..1 dateTime S Clinically relevant time/time-period for observation
Constraints: us-core-1
... issued SΣ 0..1 instant Date/Time this version was made available
... Slices for performer Σ 0..* Reference(Practitioner | PractitionerRole | Organization | CareTeam | Patient | RelatedPerson) Who is responsible for the observation
Slice: Unordered, Open by value:$this
.... performer:va-at SΣ 0..1 Reference(Organization) Who is responsible for the observation
.... performer:va-by SΣ 0..1 Reference(Practitioner) Who is responsible for the observation
... Slices for value[x] SΣC 0..1 Result Value
Slice: Unordered, Open by type:$this
Constraints: us-core-4, us-core-3
.... valueQuantity Quantity S
.... valueCodeableConcept CodeableConcept S
.... valueString string S
.... valueBoolean boolean
.... valueInteger integer
.... valueRange Range
.... valueRatio Ratio
.... valueSampledData SampledData
.... valueTime time
.... valueDateTime dateTime
.... valuePeriod Period
.... value[x]:valueQuantity SΣC 0..1 Quantity S Result Value
Constraints: us-core-4, us-core-3
..... value SΣ 0..1 decimal Numerical value (with implicit precision)
..... comparator ?!Σ 0..1 code < | <= | >= | > - how to understand the value
Binding: QuantityComparator (required): How the Quantity should be understood and represented.
..... unit SΣ 0..1 string Unit representation
... dataAbsentReason SC 0..1 CodeableConcept Why the result is missing
Binding: DataAbsentReason (extensible)
... interpretation S 0..* CodeableConcept High, low, normal, etc.
Binding: LabInterpretation FHIR (required): see mapping VF_LabInterpretation
... note S 0..* Annotation Comments about the observation
... specimen S 0..1 Reference(Lab Observation: Chem, hem, tox, ria, ser Specimen) Specimen used for this observation
... referenceRange C 0..* BackboneElement Provides guide for interpretation
Constraints: obs-3
.... modifierExtension ?!Σ 0..* Extension Extensions that cannot be ignored even if unrecognized
.... low SC 0..1 SimpleQuantity Low Range, if relevant
.... high SC 0..1 SimpleQuantity High Range, if relevant

doco Documentation for this format

Terminology Bindings

Path Status Usage ValueSet Version Source
Observation.identifier.​use Base required IdentifierUse 📍4.0.1 FHIR Std.
Observation.status Base required LabObservationStatus FHIR 📦1.10.0 This IG
Observation.category Base preferred Observation Category Codes 📦4.0.1 FHIR Std.
Observation.category:Laboratory Base preferred Observation Category Codes 📦4.0.1 FHIR Std.
Observation.code Base extensible LOINC Codes 📦4.0.1 FHIR Std.
Observation.value[x]:valueQuantity.​comparator Base required QuantityComparator 📍4.0.1 FHIR Std.
Observation.dataAbsentReason Base extensible DataAbsentReason 📦4.0.1 FHIR Std.
Observation.interpretation Base required LabInterpretation FHIR 📦1.10.0 This IG

Constraints

Id Grade Path(s) Description Expression
dom-2 error Observation If the resource is contained in another resource, it SHALL NOT contain nested Resources contained.contained.empty()
dom-3 error Observation If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource contained.where((('#'+id in (%resource.descendants().reference | %resource.descendants().as(canonical) | %resource.descendants().as(uri) | %resource.descendants().as(url))) or descendants().where(reference = '#').exists() or descendants().where(as(canonical) = '#').exists() or descendants().where(as(canonical) = '#').exists()).not()).trace('unmatched', id).empty()
dom-4 error Observation If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated contained.meta.versionId.empty() and contained.meta.lastUpdated.empty()
dom-5 error Observation If a resource is contained in another resource, it SHALL NOT have a security label contained.meta.security.empty()
dom-6 best practice Observation A resource should have narrative for robust management text.`div`.exists()
ele-1 error **ALL** elements All FHIR elements must have a @value or children hasValue() or (children().count() > id.count())
ext-1 error **ALL** extensions Must have either extensions or value[x], not both extension.exists() != value.exists()
loco-41-860 best practice Observation.status If not NULL then terminologyMaps (63.04-.35 > 63.07-10) using VF_LabObservationStatus true
loco-41-2234 best practice Observation.status If (63.04-.03) is not NULL and 63.07-10 is not available then fixed value #completed true
loco-41-2235 best practice Observation.status If (63.04-.03) is NULL and 63.07-10 is not available then fixed value #preliminary true
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()
us-core-1 error Observation.effective[x], Observation.effective[x]:effectiveDateTime Datetime must be at least to day. $this is DateTime implies $this.toString().length() >= 10
us-core-2 error Observation If there is no component or hasMember element then either a value[x] or a data absent reason must be present (component.empty() and hasMember.empty()) implies (dataAbsentReason.exists() or value.exists())
us-core-3 error Observation.value[x], Observation.value[x]:valueQuantity SHALL use UCUM for coded quantity units. valueQuantity.system.empty() or valueQuantity.system = 'http://unitsofmeasure.org'
us-core-4 best practice Observation.value[x], Observation.value[x]:valueQuantity SHOULD use Snomed CT for coded Results valueCodeableConcept.coding.system.empty() or valueCodeableConcept.coding.system = 'http://snomed.info/sct'

This structure is derived from USCoreLaboratoryResultObservationProfile

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Observation 0..* USCoreLaboratoryResultObservationProfile(5.0.1) Measurements and simple assertions
... identifier
.... system S 0..1 uri The namespace for the identifier value
Required Pattern: http://va.gov/identifiers/{sta3n}/63.04
.... value S 0..1 string The value that is unique
... status C 1..1 code registered | preliminary | final | amended +
Binding: LabObservationStatus FHIR (required): see mapping VF_LabObservationStatus
Constraints: loco-41-860, loco-41-2234, loco-41-2235
... Slices for category Content/Rules for all slices
.... category:Laboratory 1..1 CodeableConcept Classification of type of observation
.... coding S 0..* Coding Code defined by a terminology system
..... system S 0..1 uri Identity of the terminology system
Required Pattern: http://loinc.org
..... code S 0..1 code Symbol in syntax defined by the system
..... display S 0..1 string Representation defined by the system
... subject 1..1 Reference(Patient) Who and/or what the observation is about
... Slices for effective[x] 0..1 dateTime, Period, Timing, instant Clinically relevant time/time-period for observation
Slice: Unordered, Open by type:$this
.... effective[x]:effectiveDateTime S 0..1 dateTime S Clinically relevant time/time-period for observation
... issued S 0..1 instant Date/Time this version was made available
... Slices for performer 0..* Reference(Practitioner | PractitionerRole | Organization | CareTeam | Patient | RelatedPerson) Who is responsible for the observation
Slice: Unordered, Open by value:$this
.... performer:va-at S 0..1 Reference(Organization) Who is responsible for the observation
.... performer:va-by S 0..1 Reference(Practitioner) Who is responsible for the observation
... Slices for value[x] 0..1 Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period Result Value
Slice: Unordered, Open by type:$this
.... value[x]:valueQuantity 0..1 Quantity Result Value
..... value S 0..1 decimal Numerical value (with implicit precision)
..... unit S 0..1 string Unit representation
... interpretation S 0..* CodeableConcept High, low, normal, etc.
Binding: LabInterpretation FHIR (required): see mapping VF_LabInterpretation
... note S 0..* Annotation Comments about the observation
... specimen S 0..1 Reference(Lab Observation: Chem, hem, tox, ria, ser Specimen) Specimen used for this observation
... referenceRange
.... low S 0..1 SimpleQuantity Low Range, if relevant
.... high S 0..1 SimpleQuantity High Range, if relevant

doco Documentation for this format

Terminology Bindings (Differential)

Path Status Usage ValueSet Version Source
Observation.status Base required LabObservationStatus FHIR 📦1.10.0 This IG
Observation.interpretation Base required LabInterpretation FHIR 📦1.10.0 This IG

Constraints

Id Grade Path(s) Description Expression
loco-41-860 best practice Observation.status If not NULL then terminologyMaps (63.04-.35 > 63.07-10) using VF_LabObservationStatus true
loco-41-2234 best practice Observation.status If (63.04-.03) is not NULL and 63.07-10 is not available then fixed value #completed true
loco-41-2235 best practice Observation.status If (63.04-.03) is NULL and 63.07-10 is not available then fixed value #preliminary true
NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Observation C 0..* USCoreLaboratoryResultObservationProfile(5.0.1) Measurements and simple assertions
Constraints: obs-6, obs-7, us-core-2
... id Σ 0..1 id Logical id of this artifact
... meta Σ 0..1 Meta Metadata about the resource
... implicitRules ?!Σ 0..1 uri A set of rules under which this content was created
... language 0..1 code Language of the resource content
Binding: CommonLanguages (preferred): A human language.
Additional BindingsPurpose
AllLanguages Max Binding
... text 0..1 Narrative Text summary of the resource, for human interpretation
This profile does not constrain the narrative in regard to content, language, or traceability to data elements
... contained 0..* Resource Contained, inline Resources
... extension 0..* Extension Additional content defined by implementations
... modifierExtension ?! 0..* Extension Extensions that cannot be ignored
... identifier Σ 0..* Identifier Business Identifier for observation
.... id 0..1 string Unique id for inter-element referencing
.... extension 0..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
.... use ?!Σ 0..1 code usual | official | temp | secondary | old (If known)
Binding: IdentifierUse (required): Identifies the purpose for this identifier, if known .
.... type Σ 0..1 CodeableConcept Description of identifier
Binding: Identifier Type Codes (extensible): A coded type for an identifier that can be used to determine which identifier to use for a specific purpose.
.... system SΣ 0..1 uri The namespace for the identifier value
Required Pattern: http://va.gov/identifiers/{sta3n}/63.04
.... value SΣ 0..1 string The value that is unique
Example General: 123456
.... period Σ 0..1 Period Time period when id is/was valid for use
.... assigner Σ 0..1 Reference(Organization) Organization that issued id (may be just text)
... basedOn Σ 0..* Reference(CarePlan | DeviceRequest | ImmunizationRecommendation | MedicationRequest | NutritionOrder | ServiceRequest) Fulfills plan, proposal or order
... partOf Σ 0..* Reference(MedicationAdministration | MedicationDispense | MedicationStatement | Procedure | Immunization | ImagingStudy) Part of referenced event
... status ?!SΣC 1..1 code registered | preliminary | final | amended +
Binding: LabObservationStatus FHIR (required): see mapping VF_LabObservationStatus
Constraints: loco-41-860, loco-41-2234, loco-41-2235
... Slices for category S 1..* CodeableConcept Classification of type of observation
Slice: Unordered, Open by pattern:$this
Binding: ObservationCategoryCodes (preferred): Codes for high level observation categories.
.... category:Laboratory S 1..1 CodeableConcept Classification of type of observation
Binding: ObservationCategoryCodes (preferred): Codes for high level observation categories.

Required Pattern: At least the following
..... id 0..1 string Unique id for inter-element referencing
..... extension 0..* Extension Additional content defined by implementations
..... coding 1..* Coding Code defined by a terminology system
Fixed Value: (Complex)
...... id 0..1 string Unique id for inter-element referencing
...... extension 0..* Extension Additional content defined by implementations
...... system 1..1 uri Identity of the terminology system
Fixed Value: http://terminology.hl7.org/CodeSystem/observation-category
...... version 0..1 string Version of the system - if relevant
...... code 1..1 code Symbol in syntax defined by the system
Fixed Value: laboratory
...... display 0..1 string Representation defined by the system
...... userSelected 0..1 boolean If this coding was chosen directly by the user
..... text 0..1 string Plain text representation of the concept
... code SΣ 1..1 CodeableConcept Laboratory Test Name
Binding: LOINCCodes (extensible): LOINC codes
.... id 0..1 string Unique id for inter-element referencing
.... extension 0..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
.... coding SΣ 0..* Coding Code defined by a terminology system
..... id 0..1 string Unique id for inter-element referencing
..... extension 0..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
..... system SΣ 0..1 uri Identity of the terminology system
Required Pattern: http://loinc.org
..... version Σ 0..1 string Version of the system - if relevant
..... code SΣ 0..1 code Symbol in syntax defined by the system
..... display SΣ 0..1 string Representation defined by the system
..... userSelected Σ 0..1 boolean If this coding was chosen directly by the user
.... text Σ 0..1 string Plain text representation of the concept
... subject SΣ 1..1 Reference(Patient) Who and/or what the observation is about
... focus Σ 0..* Reference(Resource) What the observation is about, when it is not about the subject of record
... encounter Σ 0..1 Reference(Encounter) Healthcare event during which this observation is made
... Slices for effective[x] SΣC 0..1 Clinically relevant time/time-period for observation
Slice: Unordered, Open by type:$this
Constraints: us-core-1
.... effectiveDateTime dateTime S
.... effectivePeriod Period
.... effectiveTiming Timing
.... effectiveInstant instant
.... effective[x]:effectiveDateTime SΣC 0..1 dateTime S Clinically relevant time/time-period for observation
Constraints: us-core-1
... issued SΣ 0..1 instant Date/Time this version was made available
... Slices for performer Σ 0..* Reference(Practitioner | PractitionerRole | Organization | CareTeam | Patient | RelatedPerson) Who is responsible for the observation
Slice: Unordered, Open by value:$this
.... performer:va-at SΣ 0..1 Reference(Organization) Who is responsible for the observation
.... performer:va-by SΣ 0..1 Reference(Practitioner) Who is responsible for the observation
... Slices for value[x] SΣC 0..1 Result Value
Slice: Unordered, Open by type:$this
Constraints: us-core-4, us-core-3
.... valueQuantity Quantity S
.... valueCodeableConcept CodeableConcept S
.... valueString string S
.... valueBoolean boolean
.... valueInteger integer
.... valueRange Range
.... valueRatio Ratio
.... valueSampledData SampledData
.... valueTime time
.... valueDateTime dateTime
.... valuePeriod Period
.... value[x]:valueQuantity SΣC 0..1 Quantity S Result Value
Constraints: us-core-4, us-core-3
..... id 0..1 string Unique id for inter-element referencing
..... extension 0..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
..... value SΣ 0..1 decimal Numerical value (with implicit precision)
..... comparator ?!Σ 0..1 code < | <= | >= | > - how to understand the value
Binding: QuantityComparator (required): How the Quantity should be understood and represented.
..... unit SΣ 0..1 string Unit representation
..... system ΣC 0..1 uri System that defines coded unit form
..... code Σ 0..1 code Coded form of the unit
... dataAbsentReason SC 0..1 CodeableConcept Why the result is missing
Binding: DataAbsentReason (extensible)
... interpretation S 0..* CodeableConcept High, low, normal, etc.
Binding: LabInterpretation FHIR (required): see mapping VF_LabInterpretation
... note S 0..* Annotation Comments about the observation
... bodySite 0..1 CodeableConcept Observed body part
Binding: SNOMEDCTBodyStructures (example): Codes describing anatomical locations. May include laterality.
... method 0..1 CodeableConcept How it was done
Binding: ObservationMethods (example): Methods for simple observations.
... specimen S 0..1 Reference(Lab Observation: Chem, hem, tox, ria, ser Specimen) Specimen used for this observation
... device 0..1 Reference(Device | DeviceMetric) (Measurement) Device
... referenceRange C 0..* BackboneElement Provides guide for interpretation
Constraints: obs-3
.... id 0..1 string Unique id for inter-element referencing
.... extension 0..* Extension Additional content defined by implementations
.... modifierExtension ?!Σ 0..* Extension Extensions that cannot be ignored even if unrecognized
.... low SC 0..1 SimpleQuantity Low Range, if relevant
.... high SC 0..1 SimpleQuantity High Range, if relevant
.... type 0..1 CodeableConcept Reference range qualifier
Binding: ObservationReferenceRangeMeaningCodes (preferred): Code for the meaning of a reference range.
.... appliesTo 0..* CodeableConcept Reference range population
Binding: ObservationReferenceRangeAppliesToCodes (example): Codes identifying the population the reference range applies to.
.... age 0..1 Range Applicable age range, if relevant
.... text 0..1 string Text based reference range in an observation
... hasMember Σ 0..* Reference(Observation | QuestionnaireResponse | MolecularSequence) Related resource that belongs to the Observation group
... derivedFrom Σ 0..* Reference(DocumentReference | ImagingStudy | Media | QuestionnaireResponse | Observation | MolecularSequence) Related measurements the observation is made from
... component Σ 0..* BackboneElement Component results
.... id 0..1 string Unique id for inter-element referencing
.... extension 0..* Extension Additional content defined by implementations
.... modifierExtension ?!Σ 0..* Extension Extensions that cannot be ignored even if unrecognized
.... code Σ 1..1 CodeableConcept Type of component observation (code / type)
Binding: LOINCCodes (example): Codes identifying names of simple observations.
.... value[x] Σ 0..1 Actual component result
..... valueQuantity Quantity
..... valueCodeableConcept CodeableConcept
..... valueString string
..... valueBoolean boolean
..... valueInteger integer
..... valueRange Range
..... valueRatio Ratio
..... valueSampledData SampledData
..... valueTime time
..... valueDateTime dateTime
..... valuePeriod Period
.... dataAbsentReason C 0..1 CodeableConcept Why the component result is missing
Binding: DataAbsentReason (extensible): Codes specifying why the result (Observation.value[x]) is missing.
.... interpretation 0..* CodeableConcept High, low, normal, etc.
Binding: ObservationInterpretationCodes (extensible): Codes identifying interpretations of observations.
.... referenceRange 0..* See referenceRange (Observation) Provides guide for interpretation of component result

doco Documentation for this format

Terminology Bindings

Path Status Usage ValueSet Version Source
Observation.language Base preferred Common Languages 📦4.0.1 FHIR Std.
Observation.identifier.​use Base required IdentifierUse 📍4.0.1 FHIR Std.
Observation.identifier.​type Base extensible IdentifierType 📍4.0.1 FHIR Std.
Observation.status Base required LabObservationStatus FHIR 📦1.10.0 This IG
Observation.category Base preferred Observation Category Codes 📦4.0.1 FHIR Std.
Observation.category:Laboratory Base preferred Observation Category Codes 📦4.0.1 FHIR Std.
Observation.code Base extensible LOINC Codes 📦4.0.1 FHIR Std.
Observation.value[x]:valueQuantity.​comparator Base required QuantityComparator 📍4.0.1 FHIR Std.
Observation.dataAbsentReason Base extensible DataAbsentReason 📦4.0.1 FHIR Std.
Observation.interpretation Base required LabInterpretation FHIR 📦1.10.0 This IG
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.

Constraints

Id Grade Path(s) Description Expression
dom-2 error Observation If the resource is contained in another resource, it SHALL NOT contain nested Resources contained.contained.empty()
dom-3 error Observation If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource contained.where((('#'+id in (%resource.descendants().reference | %resource.descendants().as(canonical) | %resource.descendants().as(uri) | %resource.descendants().as(url))) or descendants().where(reference = '#').exists() or descendants().where(as(canonical) = '#').exists() or descendants().where(as(canonical) = '#').exists()).not()).trace('unmatched', id).empty()
dom-4 error Observation If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated contained.meta.versionId.empty() and contained.meta.lastUpdated.empty()
dom-5 error Observation If a resource is contained in another resource, it SHALL NOT have a security label contained.meta.security.empty()
dom-6 best practice Observation A resource should have narrative for robust management text.`div`.exists()
ele-1 error **ALL** elements All FHIR elements must have a @value or children hasValue() or (children().count() > id.count())
ext-1 error **ALL** extensions Must have either extensions or value[x], not both extension.exists() != value.exists()
loco-41-860 best practice Observation.status If not NULL then terminologyMaps (63.04-.35 > 63.07-10) using VF_LabObservationStatus true
loco-41-2234 best practice Observation.status If (63.04-.03) is not NULL and 63.07-10 is not available then fixed value #completed true
loco-41-2235 best practice Observation.status If (63.04-.03) is NULL and 63.07-10 is not available then fixed value #preliminary true
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()
us-core-1 error Observation.effective[x], Observation.effective[x]:effectiveDateTime Datetime must be at least to day. $this is DateTime implies $this.toString().length() >= 10
us-core-2 error Observation If there is no component or hasMember element then either a value[x] or a data absent reason must be present (component.empty() and hasMember.empty()) implies (dataAbsentReason.exists() or value.exists())
us-core-3 error Observation.value[x], Observation.value[x]:valueQuantity SHALL use UCUM for coded quantity units. valueQuantity.system.empty() or valueQuantity.system = 'http://unitsofmeasure.org'
us-core-4 best practice Observation.value[x], Observation.value[x]:valueQuantity SHOULD use Snomed CT for coded Results valueCodeableConcept.coding.system.empty() or valueCodeableConcept.coding.system = 'http://snomed.info/sct'

This structure is derived from USCoreLaboratoryResultObservationProfile

Summary

Must-Support: 17 elements

Structures

This structure refers to these other structures:

Slices

This structure defines the following Slices:

  • The element 1 is sliced based on the value of Observation.effective[x]
  • The element 1 is sliced based on the value of Observation.performer
  • The element 1 is sliced based on the value of Observation.value[x]

Key Elements View

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Observation C 0..* USCoreLaboratoryResultObservationProfile(5.0.1) Measurements and simple assertions
Constraints: obs-6, obs-7, us-core-2
... implicitRules ?!Σ 0..1 uri A set of rules under which this content was created
... modifierExtension ?! 0..* Extension Extensions that cannot be ignored
... identifier Σ 0..* Identifier Business Identifier for observation
.... use ?!Σ 0..1 code usual | official | temp | secondary | old (If known)
Binding: IdentifierUse (required): Identifies the purpose for this identifier, if known .
.... system SΣ 0..1 uri The namespace for the identifier value
Required Pattern: http://va.gov/identifiers/{sta3n}/63.04
.... value SΣ 0..1 string The value that is unique
Example General: 123456
... Slices for category S 1..* CodeableConcept Classification of type of observation
Slice: Unordered, Open by pattern:$this
Binding: ObservationCategoryCodes (preferred): Codes for high level observation categories.
.... category:Laboratory S 1..1 CodeableConcept Classification of type of observation
Binding: ObservationCategoryCodes (preferred): Codes for high level observation categories.

Required Pattern: At least the following
..... id 0..1 string Unique id for inter-element referencing
..... extension 0..* Extension Additional content defined by implementations
..... coding 1..* Coding Code defined by a terminology system
Fixed Value: (Complex)
...... id 0..1 string Unique id for inter-element referencing
...... extension 0..* Extension Additional content defined by implementations
...... system 1..1 uri Identity of the terminology system
Fixed Value: http://terminology.hl7.org/CodeSystem/observation-category
...... version 0..1 string Version of the system - if relevant
...... code 1..1 code Symbol in syntax defined by the system
Fixed Value: laboratory
...... display 0..1 string Representation defined by the system
...... userSelected 0..1 boolean If this coding was chosen directly by the user
..... text 0..1 string Plain text representation of the concept
... code SΣ 1..1 CodeableConcept Laboratory Test Name
Binding: LOINCCodes (extensible): LOINC codes
.... coding SΣ 0..* Coding Code defined by a terminology system
..... system SΣ 0..1 uri Identity of the terminology system
Required Pattern: http://loinc.org
..... code SΣ 0..1 code Symbol in syntax defined by the system
..... display SΣ 0..1 string Representation defined by the system
... subject SΣ 1..1 Reference(Patient) Who and/or what the observation is about
... Slices for effective[x] SΣC 0..1 Clinically relevant time/time-period for observation
Slice: Unordered, Open by type:$this
Constraints: us-core-1
.... effectiveDateTime dateTime S
.... effectivePeriod Period
.... effectiveTiming Timing
.... effectiveInstant instant
.... effective[x]:effectiveDateTime SΣC 0..1 dateTime S Clinically relevant time/time-period for observation
Constraints: us-core-1
... issued SΣ 0..1 instant Date/Time this version was made available
... Slices for performer Σ 0..* Reference(Practitioner | PractitionerRole | Organization | CareTeam | Patient | RelatedPerson) Who is responsible for the observation
Slice: Unordered, Open by value:$this
.... performer:va-at SΣ 0..1 Reference(Organization) Who is responsible for the observation
.... performer:va-by SΣ 0..1 Reference(Practitioner) Who is responsible for the observation
... Slices for value[x] SΣC 0..1 Result Value
Slice: Unordered, Open by type:$this
Constraints: us-core-4, us-core-3
.... valueQuantity Quantity S
.... valueCodeableConcept CodeableConcept S
.... valueString string S
.... valueBoolean boolean
.... valueInteger integer
.... valueRange Range
.... valueRatio Ratio
.... valueSampledData SampledData
.... valueTime time
.... valueDateTime dateTime
.... valuePeriod Period
.... value[x]:valueQuantity SΣC 0..1 Quantity S Result Value
Constraints: us-core-4, us-core-3
..... value SΣ 0..1 decimal Numerical value (with implicit precision)
..... comparator ?!Σ 0..1 code < | <= | >= | > - how to understand the value
Binding: QuantityComparator (required): How the Quantity should be understood and represented.
..... unit SΣ 0..1 string Unit representation
... dataAbsentReason SC 0..1 CodeableConcept Why the result is missing
Binding: DataAbsentReason (extensible)
... interpretation S 0..* CodeableConcept High, low, normal, etc.
Binding: LabInterpretation FHIR (required): see mapping VF_LabInterpretation
... note S 0..* Annotation Comments about the observation
... specimen S 0..1 Reference(Lab Observation: Chem, hem, tox, ria, ser Specimen) Specimen used for this observation
... referenceRange C 0..* BackboneElement Provides guide for interpretation
Constraints: obs-3
.... modifierExtension ?!Σ 0..* Extension Extensions that cannot be ignored even if unrecognized
.... low SC 0..1 SimpleQuantity Low Range, if relevant
.... high SC 0..1 SimpleQuantity High Range, if relevant

doco Documentation for this format

Terminology Bindings

Path Status Usage ValueSet Version Source
Observation.identifier.​use Base required IdentifierUse 📍4.0.1 FHIR Std.
Observation.status Base required LabObservationStatus FHIR 📦1.10.0 This IG
Observation.category Base preferred Observation Category Codes 📦4.0.1 FHIR Std.
Observation.category:Laboratory Base preferred Observation Category Codes 📦4.0.1 FHIR Std.
Observation.code Base extensible LOINC Codes 📦4.0.1 FHIR Std.
Observation.value[x]:valueQuantity.​comparator Base required QuantityComparator 📍4.0.1 FHIR Std.
Observation.dataAbsentReason Base extensible DataAbsentReason 📦4.0.1 FHIR Std.
Observation.interpretation Base required LabInterpretation FHIR 📦1.10.0 This IG

Constraints

Id Grade Path(s) Description Expression
dom-2 error Observation If the resource is contained in another resource, it SHALL NOT contain nested Resources contained.contained.empty()
dom-3 error Observation If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource contained.where((('#'+id in (%resource.descendants().reference | %resource.descendants().as(canonical) | %resource.descendants().as(uri) | %resource.descendants().as(url))) or descendants().where(reference = '#').exists() or descendants().where(as(canonical) = '#').exists() or descendants().where(as(canonical) = '#').exists()).not()).trace('unmatched', id).empty()
dom-4 error Observation If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated contained.meta.versionId.empty() and contained.meta.lastUpdated.empty()
dom-5 error Observation If a resource is contained in another resource, it SHALL NOT have a security label contained.meta.security.empty()
dom-6 best practice Observation A resource should have narrative for robust management text.`div`.exists()
ele-1 error **ALL** elements All FHIR elements must have a @value or children hasValue() or (children().count() > id.count())
ext-1 error **ALL** extensions Must have either extensions or value[x], not both extension.exists() != value.exists()
loco-41-860 best practice Observation.status If not NULL then terminologyMaps (63.04-.35 > 63.07-10) using VF_LabObservationStatus true
loco-41-2234 best practice Observation.status If (63.04-.03) is not NULL and 63.07-10 is not available then fixed value #completed true
loco-41-2235 best practice Observation.status If (63.04-.03) is NULL and 63.07-10 is not available then fixed value #preliminary true
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()
us-core-1 error Observation.effective[x], Observation.effective[x]:effectiveDateTime Datetime must be at least to day. $this is DateTime implies $this.toString().length() >= 10
us-core-2 error Observation If there is no component or hasMember element then either a value[x] or a data absent reason must be present (component.empty() and hasMember.empty()) implies (dataAbsentReason.exists() or value.exists())
us-core-3 error Observation.value[x], Observation.value[x]:valueQuantity SHALL use UCUM for coded quantity units. valueQuantity.system.empty() or valueQuantity.system = 'http://unitsofmeasure.org'
us-core-4 best practice Observation.value[x], Observation.value[x]:valueQuantity SHOULD use Snomed CT for coded Results valueCodeableConcept.coding.system.empty() or valueCodeableConcept.coding.system = 'http://snomed.info/sct'

Differential View

This structure is derived from USCoreLaboratoryResultObservationProfile

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Observation 0..* USCoreLaboratoryResultObservationProfile(5.0.1) Measurements and simple assertions
... identifier
.... system S 0..1 uri The namespace for the identifier value
Required Pattern: http://va.gov/identifiers/{sta3n}/63.04
.... value S 0..1 string The value that is unique
... status C 1..1 code registered | preliminary | final | amended +
Binding: LabObservationStatus FHIR (required): see mapping VF_LabObservationStatus
Constraints: loco-41-860, loco-41-2234, loco-41-2235
... Slices for category Content/Rules for all slices
.... category:Laboratory 1..1 CodeableConcept Classification of type of observation
.... coding S 0..* Coding Code defined by a terminology system
..... system S 0..1 uri Identity of the terminology system
Required Pattern: http://loinc.org
..... code S 0..1 code Symbol in syntax defined by the system
..... display S 0..1 string Representation defined by the system
... subject 1..1 Reference(Patient) Who and/or what the observation is about
... Slices for effective[x] 0..1 dateTime, Period, Timing, instant Clinically relevant time/time-period for observation
Slice: Unordered, Open by type:$this
.... effective[x]:effectiveDateTime S 0..1 dateTime S Clinically relevant time/time-period for observation
... issued S 0..1 instant Date/Time this version was made available
... Slices for performer 0..* Reference(Practitioner | PractitionerRole | Organization | CareTeam | Patient | RelatedPerson) Who is responsible for the observation
Slice: Unordered, Open by value:$this
.... performer:va-at S 0..1 Reference(Organization) Who is responsible for the observation
.... performer:va-by S 0..1 Reference(Practitioner) Who is responsible for the observation
... Slices for value[x] 0..1 Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period Result Value
Slice: Unordered, Open by type:$this
.... value[x]:valueQuantity 0..1 Quantity Result Value
..... value S 0..1 decimal Numerical value (with implicit precision)
..... unit S 0..1 string Unit representation
... interpretation S 0..* CodeableConcept High, low, normal, etc.
Binding: LabInterpretation FHIR (required): see mapping VF_LabInterpretation
... note S 0..* Annotation Comments about the observation
... specimen S 0..1 Reference(Lab Observation: Chem, hem, tox, ria, ser Specimen) Specimen used for this observation
... referenceRange
.... low S 0..1 SimpleQuantity Low Range, if relevant
.... high S 0..1 SimpleQuantity High Range, if relevant

doco Documentation for this format

Terminology Bindings (Differential)

Path Status Usage ValueSet Version Source
Observation.status Base required LabObservationStatus FHIR 📦1.10.0 This IG
Observation.interpretation Base required LabInterpretation FHIR 📦1.10.0 This IG

Constraints

Id Grade Path(s) Description Expression
loco-41-860 best practice Observation.status If not NULL then terminologyMaps (63.04-.35 > 63.07-10) using VF_LabObservationStatus true
loco-41-2234 best practice Observation.status If (63.04-.03) is not NULL and 63.07-10 is not available then fixed value #completed true
loco-41-2235 best practice Observation.status If (63.04-.03) is NULL and 63.07-10 is not available then fixed value #preliminary true

Snapshot View

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Observation C 0..* USCoreLaboratoryResultObservationProfile(5.0.1) Measurements and simple assertions
Constraints: obs-6, obs-7, us-core-2
... id Σ 0..1 id Logical id of this artifact
... meta Σ 0..1 Meta Metadata about the resource
... implicitRules ?!Σ 0..1 uri A set of rules under which this content was created
... language 0..1 code Language of the resource content
Binding: CommonLanguages (preferred): A human language.
Additional BindingsPurpose
AllLanguages Max Binding
... text 0..1 Narrative Text summary of the resource, for human interpretation
This profile does not constrain the narrative in regard to content, language, or traceability to data elements
... contained 0..* Resource Contained, inline Resources
... extension 0..* Extension Additional content defined by implementations
... modifierExtension ?! 0..* Extension Extensions that cannot be ignored
... identifier Σ 0..* Identifier Business Identifier for observation
.... id 0..1 string Unique id for inter-element referencing
.... extension 0..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
.... use ?!Σ 0..1 code usual | official | temp | secondary | old (If known)
Binding: IdentifierUse (required): Identifies the purpose for this identifier, if known .
.... type Σ 0..1 CodeableConcept Description of identifier
Binding: Identifier Type Codes (extensible): A coded type for an identifier that can be used to determine which identifier to use for a specific purpose.
.... system SΣ 0..1 uri The namespace for the identifier value
Required Pattern: http://va.gov/identifiers/{sta3n}/63.04
.... value SΣ 0..1 string The value that is unique
Example General: 123456
.... period Σ 0..1 Period Time period when id is/was valid for use
.... assigner Σ 0..1 Reference(Organization) Organization that issued id (may be just text)
... basedOn Σ 0..* Reference(CarePlan | DeviceRequest | ImmunizationRecommendation | MedicationRequest | NutritionOrder | ServiceRequest) Fulfills plan, proposal or order
... partOf Σ 0..* Reference(MedicationAdministration | MedicationDispense | MedicationStatement | Procedure | Immunization | ImagingStudy) Part of referenced event
... status ?!SΣC 1..1 code registered | preliminary | final | amended +
Binding: LabObservationStatus FHIR (required): see mapping VF_LabObservationStatus
Constraints: loco-41-860, loco-41-2234, loco-41-2235
... Slices for category S 1..* CodeableConcept Classification of type of observation
Slice: Unordered, Open by pattern:$this
Binding: ObservationCategoryCodes (preferred): Codes for high level observation categories.
.... category:Laboratory S 1..1 CodeableConcept Classification of type of observation
Binding: ObservationCategoryCodes (preferred): Codes for high level observation categories.

Required Pattern: At least the following
..... id 0..1 string Unique id for inter-element referencing
..... extension 0..* Extension Additional content defined by implementations
..... coding 1..* Coding Code defined by a terminology system
Fixed Value: (Complex)
...... id 0..1 string Unique id for inter-element referencing
...... extension 0..* Extension Additional content defined by implementations
...... system 1..1 uri Identity of the terminology system
Fixed Value: http://terminology.hl7.org/CodeSystem/observation-category
...... version 0..1 string Version of the system - if relevant
...... code 1..1 code Symbol in syntax defined by the system
Fixed Value: laboratory
...... display 0..1 string Representation defined by the system
...... userSelected 0..1 boolean If this coding was chosen directly by the user
..... text 0..1 string Plain text representation of the concept
... code SΣ 1..1 CodeableConcept Laboratory Test Name
Binding: LOINCCodes (extensible): LOINC codes
.... id 0..1 string Unique id for inter-element referencing
.... extension 0..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
.... coding SΣ 0..* Coding Code defined by a terminology system
..... id 0..1 string Unique id for inter-element referencing
..... extension 0..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
..... system SΣ 0..1 uri Identity of the terminology system
Required Pattern: http://loinc.org
..... version Σ 0..1 string Version of the system - if relevant
..... code SΣ 0..1 code Symbol in syntax defined by the system
..... display SΣ 0..1 string Representation defined by the system
..... userSelected Σ 0..1 boolean If this coding was chosen directly by the user
.... text Σ 0..1 string Plain text representation of the concept
... subject SΣ 1..1 Reference(Patient) Who and/or what the observation is about
... focus Σ 0..* Reference(Resource) What the observation is about, when it is not about the subject of record
... encounter Σ 0..1 Reference(Encounter) Healthcare event during which this observation is made
... Slices for effective[x] SΣC 0..1 Clinically relevant time/time-period for observation
Slice: Unordered, Open by type:$this
Constraints: us-core-1
.... effectiveDateTime dateTime S
.... effectivePeriod Period
.... effectiveTiming Timing
.... effectiveInstant instant
.... effective[x]:effectiveDateTime SΣC 0..1 dateTime S Clinically relevant time/time-period for observation
Constraints: us-core-1
... issued SΣ 0..1 instant Date/Time this version was made available
... Slices for performer Σ 0..* Reference(Practitioner | PractitionerRole | Organization | CareTeam | Patient | RelatedPerson) Who is responsible for the observation
Slice: Unordered, Open by value:$this
.... performer:va-at SΣ 0..1 Reference(Organization) Who is responsible for the observation
.... performer:va-by SΣ 0..1 Reference(Practitioner) Who is responsible for the observation
... Slices for value[x] SΣC 0..1 Result Value
Slice: Unordered, Open by type:$this
Constraints: us-core-4, us-core-3
.... valueQuantity Quantity S
.... valueCodeableConcept CodeableConcept S
.... valueString string S
.... valueBoolean boolean
.... valueInteger integer
.... valueRange Range
.... valueRatio Ratio
.... valueSampledData SampledData
.... valueTime time
.... valueDateTime dateTime
.... valuePeriod Period
.... value[x]:valueQuantity SΣC 0..1 Quantity S Result Value
Constraints: us-core-4, us-core-3
..... id 0..1 string Unique id for inter-element referencing
..... extension 0..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
..... value SΣ 0..1 decimal Numerical value (with implicit precision)
..... comparator ?!Σ 0..1 code < | <= | >= | > - how to understand the value
Binding: QuantityComparator (required): How the Quantity should be understood and represented.
..... unit SΣ 0..1 string Unit representation
..... system ΣC 0..1 uri System that defines coded unit form
..... code Σ 0..1 code Coded form of the unit
... dataAbsentReason SC 0..1 CodeableConcept Why the result is missing
Binding: DataAbsentReason (extensible)
... interpretation S 0..* CodeableConcept High, low, normal, etc.
Binding: LabInterpretation FHIR (required): see mapping VF_LabInterpretation
... note S 0..* Annotation Comments about the observation
... bodySite 0..1 CodeableConcept Observed body part
Binding: SNOMEDCTBodyStructures (example): Codes describing anatomical locations. May include laterality.
... method 0..1 CodeableConcept How it was done
Binding: ObservationMethods (example): Methods for simple observations.
... specimen S 0..1 Reference(Lab Observation: Chem, hem, tox, ria, ser Specimen) Specimen used for this observation
... device 0..1 Reference(Device | DeviceMetric) (Measurement) Device
... referenceRange C 0..* BackboneElement Provides guide for interpretation
Constraints: obs-3
.... id 0..1 string Unique id for inter-element referencing
.... extension 0..* Extension Additional content defined by implementations
.... modifierExtension ?!Σ 0..* Extension Extensions that cannot be ignored even if unrecognized
.... low SC 0..1 SimpleQuantity Low Range, if relevant
.... high SC 0..1 SimpleQuantity High Range, if relevant
.... type 0..1 CodeableConcept Reference range qualifier
Binding: ObservationReferenceRangeMeaningCodes (preferred): Code for the meaning of a reference range.
.... appliesTo 0..* CodeableConcept Reference range population
Binding: ObservationReferenceRangeAppliesToCodes (example): Codes identifying the population the reference range applies to.
.... age 0..1 Range Applicable age range, if relevant
.... text 0..1 string Text based reference range in an observation
... hasMember Σ 0..* Reference(Observation | QuestionnaireResponse | MolecularSequence) Related resource that belongs to the Observation group
... derivedFrom Σ 0..* Reference(DocumentReference | ImagingStudy | Media | QuestionnaireResponse | Observation | MolecularSequence) Related measurements the observation is made from
... component Σ 0..* BackboneElement Component results
.... id 0..1 string Unique id for inter-element referencing
.... extension 0..* Extension Additional content defined by implementations
.... modifierExtension ?!Σ 0..* Extension Extensions that cannot be ignored even if unrecognized
.... code Σ 1..1 CodeableConcept Type of component observation (code / type)
Binding: LOINCCodes (example): Codes identifying names of simple observations.
.... value[x] Σ 0..1 Actual component result
..... valueQuantity Quantity
..... valueCodeableConcept CodeableConcept
..... valueString string
..... valueBoolean boolean
..... valueInteger integer
..... valueRange Range
..... valueRatio Ratio
..... valueSampledData SampledData
..... valueTime time
..... valueDateTime dateTime
..... valuePeriod Period
.... dataAbsentReason C 0..1 CodeableConcept Why the component result is missing
Binding: DataAbsentReason (extensible): Codes specifying why the result (Observation.value[x]) is missing.
.... interpretation 0..* CodeableConcept High, low, normal, etc.
Binding: ObservationInterpretationCodes (extensible): Codes identifying interpretations of observations.
.... referenceRange 0..* See referenceRange (Observation) Provides guide for interpretation of component result

doco Documentation for this format

Terminology Bindings

Path Status Usage ValueSet Version Source
Observation.language Base preferred Common Languages 📦4.0.1 FHIR Std.
Observation.identifier.​use Base required IdentifierUse 📍4.0.1 FHIR Std.
Observation.identifier.​type Base extensible IdentifierType 📍4.0.1 FHIR Std.
Observation.status Base required LabObservationStatus FHIR 📦1.10.0 This IG
Observation.category Base preferred Observation Category Codes 📦4.0.1 FHIR Std.
Observation.category:Laboratory Base preferred Observation Category Codes 📦4.0.1 FHIR Std.
Observation.code Base extensible LOINC Codes 📦4.0.1 FHIR Std.
Observation.value[x]:valueQuantity.​comparator Base required QuantityComparator 📍4.0.1 FHIR Std.
Observation.dataAbsentReason Base extensible DataAbsentReason 📦4.0.1 FHIR Std.
Observation.interpretation Base required LabInterpretation FHIR 📦1.10.0 This IG
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.

Constraints

Id Grade Path(s) Description Expression
dom-2 error Observation If the resource is contained in another resource, it SHALL NOT contain nested Resources contained.contained.empty()
dom-3 error Observation If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource contained.where((('#'+id in (%resource.descendants().reference | %resource.descendants().as(canonical) | %resource.descendants().as(uri) | %resource.descendants().as(url))) or descendants().where(reference = '#').exists() or descendants().where(as(canonical) = '#').exists() or descendants().where(as(canonical) = '#').exists()).not()).trace('unmatched', id).empty()
dom-4 error Observation If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated contained.meta.versionId.empty() and contained.meta.lastUpdated.empty()
dom-5 error Observation If a resource is contained in another resource, it SHALL NOT have a security label contained.meta.security.empty()
dom-6 best practice Observation A resource should have narrative for robust management text.`div`.exists()
ele-1 error **ALL** elements All FHIR elements must have a @value or children hasValue() or (children().count() > id.count())
ext-1 error **ALL** extensions Must have either extensions or value[x], not both extension.exists() != value.exists()
loco-41-860 best practice Observation.status If not NULL then terminologyMaps (63.04-.35 > 63.07-10) using VF_LabObservationStatus true
loco-41-2234 best practice Observation.status If (63.04-.03) is not NULL and 63.07-10 is not available then fixed value #completed true
loco-41-2235 best practice Observation.status If (63.04-.03) is NULL and 63.07-10 is not available then fixed value #preliminary true
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()
us-core-1 error Observation.effective[x], Observation.effective[x]:effectiveDateTime Datetime must be at least to day. $this is DateTime implies $this.toString().length() >= 10
us-core-2 error Observation If there is no component or hasMember element then either a value[x] or a data absent reason must be present (component.empty() and hasMember.empty()) implies (dataAbsentReason.exists() or value.exists())
us-core-3 error Observation.value[x], Observation.value[x]:valueQuantity SHALL use UCUM for coded quantity units. valueQuantity.system.empty() or valueQuantity.system = 'http://unitsofmeasure.org'
us-core-4 best practice Observation.value[x], Observation.value[x]:valueQuantity SHOULD use Snomed CT for coded Results valueCodeableConcept.coding.system.empty() or valueCodeableConcept.coding.system = 'http://snomed.info/sct'

This structure is derived from USCoreLaboratoryResultObservationProfile

Summary

Must-Support: 17 elements

Structures

This structure refers to these other structures:

Slices

This structure defines the following Slices:

  • The element 1 is sliced based on the value of Observation.effective[x]
  • The element 1 is sliced based on the value of Observation.performer
  • The element 1 is sliced based on the value of Observation.value[x]

 

Other representations of profile: CSV, Excel, Schematron