NHS North West Genomics
            
            0.0.8 - ci-build
  
            
          
NHS North West Genomics, published by NHS North West Genomics. This guide is not an authorized publication; it is the continuous build for version 0.0.8 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/nw-gmsa/nw-gmsa.github.com/ and changes regularly. See the Directory of published versions
| Official URL: https://fhir.nwgenomics.nhs.uk/StructureDefinition/Observation-Panel | Version: 0.0.8 | |||
| Draft as of 2025-10-31 | Computable Name: ObservationPanel | |||
Reference
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:   | 
|---|---|---|---|---|
|   Observation | C | 0..* | Observation | Laboratory result for a simple test or for a panel/study Constraints: obs-6, obs-7, eu-lab-1, eu-lab-2 | 
|    implicitRules | ?!Σ | 0..1 | uri | A set of rules under which this content was created | 
|    Slices for extension | Content/Rules for all slices | |||
|     extension:supportingInfo | 0..* | Reference(Resource) | Other information that may be relevant to this event. URL: http://hl7.org/fhir/StructureDefinition/workflow-supportingInfo | |
|     extension:triggeredBy-r5 | 0..* | (Complex) | Optional Extensions Element URL: http://hl7.org/fhir/5.0/StructureDefinition/extension-Observation.triggeredBy | |
|      Slices for extension | Content/Rules for all slices | |||
|       extension:observation | 0..* | Extension | Triggering observation. | |
|        extension | 0..0 | Extension Slice: Unordered, Open by value:url | ||
|        url | 1..1 | uri | "observation" | |
|        value[x] | 1..1 | Reference(Observation) | Value of extension | |
|       extension:type | 0..* | Extension | The type of trigger | |
|        extension | 0..0 | Extension Slice: Unordered, Open by value:url | ||
|        url | 1..1 | uri | "type" | |
|        value[x] | 1..1 | code | Value of extension | |
|       extension:reason | 0..* | Extension | Extension | |
|        extension | 0..0 | Extension Slice: Unordered, Open by value:url | ||
|        url | 1..1 | uri | "reason" | |
|        value[x] | 1..1 | string | Value of extension | |
|      url | 1..1 | uri | "http://hl7.org/fhir/5.0/StructureDefinition/extension-Observation.triggeredBy" | |
|     extension:certifiedRefMaterialCodeable | 0..* | CodeableConcept | Certified Reference Material: CodeableConcept URL: http://hl7.eu/fhir/laboratory/StructureDefinition/observation-certifiedRefMaterialCodeable Binding: Laboratory Certified Reference Material (example) | |
|     extension:certifiedRefMaterialIdentifer | 0..* | Identifier | Certified Reference Material: Identifier URL: http://hl7.eu/fhir/laboratory/StructureDefinition/observation-certifiedRefMaterialIdentifer | |
|     extension:labTestKit | 0..* | Reference(Device) | Device Laboratory Test Kit URL: http://hl7.eu/fhir/laboratory/StructureDefinition/observation-deviceLabTestKit | |
|     extension:value-r5 | 0..1 | (Complex) | only for result of type Attachment URL: http://hl7.org/fhir/5.0/StructureDefinition/extension-Observation.value[x] | |
|      extension | 0..0 | Extension Slice: Unordered, Open by value:url | ||
|      url | 1..1 | uri | "http://hl7.org/fhir/5.0/StructureDefinition/extension-Observation.value[x]" | |
|      value[x] | 1..1 | Attachment | Value of extension | |
|    modifierExtension | ?! | 0..* | Extension | Extensions that cannot be ignored | 
|    identifier | SΣ | 1..* | Identifier | Business Identifier for observation | 
|    status | ?!Σ | 1..1 | code | Observation Status  (HL7 v2 OBX-11) Binding: ObservationStatus (required): Codes providing the status of an observation. | 
|    Slices for category | 1..* | CodeableConceptIPS | Classification of  type of observation Slice: Unordered, Open by value:$this Binding: ObservationCategoryCodes (preferred): Codes for high level observation categories. | |
|     category:laboratory | 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 | |
|     category:studyType | 0..* | CodeableConcept | The way of grouping of the test results into clinically meaningful domains (e.g. hematology study, microbiology study, etc.) Binding: Laboratory Study Types (required) | |
|     category:specialty | 0..* | CodeableConcept | The clinical domain of the laboratory performing the observation (e.g. microbiology, toxicology, chemistry) Binding: Laboratory Specialty (required) | |
|    code | Σ | 1..1 | CodeableConceptIPS | The type of observation (code / type). (HL7 v2 OBX-3) Binding: Laboratory Code (preferred) | 
|    subject | SΣ | 1..1 | Reference(Patient: Animal | Patient: Person | Group | Device | Location) | Who and/or what the observation is about | 
|     reference | SΣC | 1..1 | string | Literal reference, Relative, internal or absolute URL | 
|    encounter | SΣ | 0..1 | Reference(Encounter) | Healthcare event during which this observation is made | 
|    effective[x] | OΣ | 1..1 | Clinically relevant time/time-period for observation (HL7 v2 OBX-14) | |
|     effective[x]All Types | Content/Rules for all Types | |||
|      Slices for extension | Content/Rules for all slices | |||
|       extension:data-absent-reason | 0..1 | code | effective[x] absence reason URL: http://hl7.org/fhir/StructureDefinition/data-absent-reason Binding: DataAbsentReason (required) | |
|     effectiveDateTime | dateTime | |||
|     effectivePeriod | Period | |||
|    performer | Σ | 1..* | Reference(PractitionerRole: Laboratory Report | Patient) | Who is responsible for the observation | 
|     Slices for extension | Content/Rules for all slices | |||
|      extension:performerFunction | 0..* | CodeableConcept | Type of performance URL: http://hl7.org/fhir/StructureDefinition/event-performerFunction Binding: Performer Function Codes (extensible) | |
|    Slices for value[x] | ΣC | 0..1 | Actual result (HL7 v2 OBX-5) Slice: Unordered, Closed by type:$this | |
|     valueQuantity | Quantity | |||
|     valueCodeableConcept | CodeableConcept | |||
|     valueString | string | |||
|     valueBoolean | boolean | |||
|     valueInteger | integer | |||
|     valueRange | Range | |||
|     valueRatio | Ratio | |||
|     valueSampledData | SampledData | |||
|     valueTime | time | |||
|     valueDateTime | dateTime | |||
|     valuePeriod | Period | |||
|     value[x]:valueDateTime | SΣC | 0..1 | dateTime | Actual result | 
|     value[x]:valueQuantity | SΣC | 0..1 | QuantityEuLab | Actual result | 
|     value[x]:valueCodeableConcept | SΣC | 0..1 | CodeableConceptIPS | Actual result Binding: Results Coded Values Laboratory - IPS (preferred) | 
|     value[x]:valueString | ΣC | 0..1 | string | Actual result | 
|     value[x]:valueRange | ΣC | 0..1 | RangeIPS | Actual result | 
|     value[x]:valueRatio | ΣC | 0..1 | RatioEuLab | Actual result | 
|     value[x]:valueTime | ΣC | 0..1 | time | Actual result | 
|     value[x]:valuePeriod | ΣC | 0..1 | Period | Actual result | 
|    hasMember | SΣ | 1..* | Reference(Observation Results: laboratory) | Related resource that belongs to the Observation group | 
|  Documentation for this format | ||||
| Path | Status | Usage | ValueSet | Version | Source | 
| Observation.status | Base | required | ObservationStatus | 📍4.0.1 | FHIR Std. | 
| 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.category:studyType | Base | required | Laboratory Study Types | 📦0.1.1 | HL7 Europe Laboratory Report v0.1 | 
| Observation.category:specialty | Base | required | Laboratory Specialty | 📦0.1.1 | HL7 Europe Laboratory Report v0.1 | 
| Observation.code | Base | preferred | Laboratory Code | 📦0.1.1 | HL7 Europe Laboratory Report v0.1 | 
| Observation.value[x]:valueCodeableConcept | Base | preferred | Results Coded Values Laboratory - IPS | 📦1.1.0 | International Patient Summary Implementation Guide v1.1 | 
| 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()) | 
| eu-lab-1 | error | Observation | If observation status is other then "registered" or "cancelled", at least one of these Observation elements shall be provided: "value", "dataAbsentReason", "hasMember" or "component" | (status in ('registered'|'cancelled')) or value.exists() or hasMember.exists() or component.exists() or dataAbsentReason.exists() | 
| eu-lab-2 | error | Observation | If observation has components and observation status is other then "registered" or "cancelled", at least one of these Observation.component elements shall be provided: "value" or "dataAbsentReason" | component.exists() implies (status in ('registered'|'cancelled')) or component.value.exists() or component.dataAbsentReason.exists() | 
| 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 Observation
| Name | Flags | Card. | Type | Description & Constraints    Filter:   | 
|---|---|---|---|---|
|   Observation | 0..* | Observation | Laboratory result for a simple test or for a panel/study | |
|    hasMember | S | 1..* | Reference(Observation Results: laboratory) | Related resource that belongs to the Observation group | 
|  Documentation for this format | ||||
| Name | Flags | Card. | Type | Description & Constraints    Filter:   | ||||
|---|---|---|---|---|---|---|---|---|
|   Observation | C | 0..* | Observation | Laboratory result for a simple test or for a panel/study Constraints: obs-6, obs-7, eu-lab-1, eu-lab-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. 
 | |||||
|    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 | |||||
|    Slices for extension | 0..* | Extension | Laboratory Test Kit Slice: Unordered, Open by value:url | |||||
|     extension:supportingInfo | 0..* | Reference(Resource) | Other information that may be relevant to this event. URL: http://hl7.org/fhir/StructureDefinition/workflow-supportingInfo | |||||
|     extension:triggeredBy-r5 | 0..* | (Complex) | Optional Extensions Element URL: http://hl7.org/fhir/5.0/StructureDefinition/extension-Observation.triggeredBy | |||||
|      id | 0..1 | string | Unique id for inter-element referencing | |||||
|      Slices for extension | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url | |||||
|       extension:observation | 0..* | Extension | Triggering observation. | |||||
|        id | 0..1 | string | Unique id for inter-element referencing | |||||
|        extension | 0..0 | Extension Slice: Unordered, Open by value:url | ||||||
|        url | 1..1 | uri | "observation" | |||||
|        value[x] | 1..1 | Reference(Observation) | Value of extension | |||||
|       extension:type | 0..* | Extension | The type of trigger | |||||
|        id | 0..1 | string | Unique id for inter-element referencing | |||||
|        extension | 0..0 | Extension Slice: Unordered, Open by value:url | ||||||
|        url | 1..1 | uri | "type" | |||||
|        value[x] | 1..1 | code | Value of extension | |||||
|       extension:reason | 0..* | Extension | Extension | |||||
|        id | 0..1 | string | Unique id for inter-element referencing | |||||
|        extension | 0..0 | Extension Slice: Unordered, Open by value:url | ||||||
|        url | 1..1 | uri | "reason" | |||||
|        value[x] | 1..1 | string | Value of extension | |||||
|      url | 1..1 | uri | "http://hl7.org/fhir/5.0/StructureDefinition/extension-Observation.triggeredBy" | |||||
|     extension:certifiedRefMaterialCodeable | 0..* | CodeableConcept | Certified Reference Material: CodeableConcept URL: http://hl7.eu/fhir/laboratory/StructureDefinition/observation-certifiedRefMaterialCodeable Binding: Laboratory Certified Reference Material (example) | |||||
|     extension:certifiedRefMaterialIdentifer | 0..* | Identifier | Certified Reference Material: Identifier URL: http://hl7.eu/fhir/laboratory/StructureDefinition/observation-certifiedRefMaterialIdentifer | |||||
|     extension:labTestKit | 0..* | Reference(Device) | Device Laboratory Test Kit URL: http://hl7.eu/fhir/laboratory/StructureDefinition/observation-deviceLabTestKit | |||||
|     extension:value-r5 | 0..1 | (Complex) | only for result of type Attachment URL: http://hl7.org/fhir/5.0/StructureDefinition/extension-Observation.value[x] | |||||
|      id | 0..1 | string | Unique id for inter-element referencing | |||||
|      extension | 0..0 | Extension Slice: Unordered, Open by value:url | ||||||
|      url | 1..1 | uri | "http://hl7.org/fhir/5.0/StructureDefinition/extension-Observation.value[x]" | |||||
|      value[x] | 1..1 | Attachment | Value of extension | |||||
|    modifierExtension | ?! | 0..* | Extension | Extensions that cannot be ignored | ||||
|    identifier | SΣ | 1..* | Identifier | Business Identifier for observation | ||||
|    basedOn | Σ | 0..* | Reference(CarePlan | DeviceRequest | ImmunizationRecommendation | MedicationRequest | NutritionOrder | ServiceRequest) | Fulfills plan, proposal or order | ||||
|    partOf | Σ | 0..* | Reference(MedicationAdministration | MedicationDispense | MedicationStatement | Procedure | Immunization | ImagingStudy) | Part of referenced event | ||||
|    status | ?!Σ | 1..1 | code | Observation Status  (HL7 v2 OBX-11) Binding: ObservationStatus (required): Codes providing the status of an observation. | ||||
|    Slices for category | 1..* | CodeableConceptIPS | Classification of  type of observation Slice: Unordered, Open by value:$this Binding: ObservationCategoryCodes (preferred): Codes for high level observation categories. | |||||
|     category:laboratory | 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 | |||||
|     category:studyType | 0..* | CodeableConcept | The way of grouping of the test results into clinically meaningful domains (e.g. hematology study, microbiology study, etc.) Binding: Laboratory Study Types (required) | |||||
|     category:specialty | 0..* | CodeableConcept | The clinical domain of the laboratory performing the observation (e.g. microbiology, toxicology, chemistry) Binding: Laboratory Specialty (required) | |||||
|    code | Σ | 1..1 | CodeableConceptIPS | The type of observation (code / type). (HL7 v2 OBX-3) Binding: Laboratory Code (preferred) | ||||
|    subject | SΣ | 1..1 | Reference(Patient: Animal | Patient: Person | Group | Device | Location) | Who and/or what the observation is about | ||||
|     id | 0..1 | string | Unique id for inter-element referencing | |||||
|     extension | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url | |||||
|     reference | SΣC | 1..1 | string | Literal reference, Relative, internal or absolute URL | ||||
|     type | Σ | 0..1 | uri | Type the reference refers to (e.g. "Patient") Binding: ResourceType (extensible): Aa resource (or, for logical models, the URI of the logical model). | ||||
|     identifier | Σ | 0..1 | NHSNumber | Logical reference, when literal reference is not known | ||||
|     display | Σ | 0..1 | string | Text alternative for the resource | ||||
|    focus | Σ | 0..* | Reference(Resource) | What the observation is about, when it is not about the subject of record | ||||
|    encounter | SΣ | 0..1 | Reference(Encounter) | Healthcare event during which this observation is made | ||||
|     id | 0..1 | string | Unique id for inter-element referencing | |||||
|     extension | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url | |||||
|     reference | ΣC | 0..1 | string | Literal reference, Relative, internal or absolute URL | ||||
|     type | Σ | 0..1 | uri | Type the reference refers to (e.g. "Patient") Binding: ResourceType (extensible): Aa resource (or, for logical models, the URI of the logical model). | ||||
|     identifier | OΣ | 0..1 | CorrelationIdentifier | Logical reference, when literal reference is not known | ||||
|     display | Σ | 0..1 | string | Text alternative for the resource | ||||
|    effective[x] | OΣ | 1..1 | Clinically relevant time/time-period for observation (HL7 v2 OBX-14) | |||||
|     effective[x]All Types | Content/Rules for all Types | |||||||
|      id | 0..1 | string | Unique id for inter-element referencing | |||||
|      Slices for extension | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url | |||||
|       extension:data-absent-reason | 0..1 | code | effective[x] absence reason URL: http://hl7.org/fhir/StructureDefinition/data-absent-reason Binding: DataAbsentReason (required) | |||||
|     effectiveDateTime | dateTime | |||||||
|     effectivePeriod | Period | |||||||
|    issued | Σ | 0..1 | instant | Date/Time this result was made available | ||||
|    performer | Σ | 1..* | Reference(PractitionerRole: Laboratory Report | Patient) | Who is responsible for the observation | ||||
|     id | 0..1 | string | Unique id for inter-element referencing | |||||
|     Slices for extension | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url | |||||
|      extension:performerFunction | 0..* | CodeableConcept | Type of performance URL: http://hl7.org/fhir/StructureDefinition/event-performerFunction Binding: Performer Function Codes (extensible) | |||||
|     reference | ΣC | 0..1 | string | Literal reference, Relative, internal or absolute URL | ||||
|     type | Σ | 0..1 | uri | Type the reference refers to (e.g. "Patient") Binding: ResourceType (extensible): Aa resource (or, for logical models, the URI of the logical model). | ||||
|     identifier | Σ | 0..1 | Identifier | Logical reference, when literal reference is not known | ||||
|     display | Σ | 0..1 | string | Text alternative for the resource | ||||
|    Slices for value[x] | ΣC | 0..1 | Actual result (HL7 v2 OBX-5) Slice: Unordered, Closed by type:$this | |||||
|     valueQuantity | Quantity | |||||||
|     valueCodeableConcept | CodeableConcept | |||||||
|     valueString | string | |||||||
|     valueBoolean | boolean | |||||||
|     valueInteger | integer | |||||||
|     valueRange | Range | |||||||
|     valueRatio | Ratio | |||||||
|     valueSampledData | SampledData | |||||||
|     valueTime | time | |||||||
|     valueDateTime | dateTime | |||||||
|     valuePeriod | Period | |||||||
|     value[x]:valueDateTime | SΣC | 0..1 | dateTime | Actual result | ||||
|     value[x]:valueQuantity | SΣC | 0..1 | QuantityEuLab | Actual result | ||||
|     value[x]:valueCodeableConcept | SΣC | 0..1 | CodeableConceptIPS | Actual result Binding: Results Coded Values Laboratory - IPS (preferred) | ||||
|     value[x]:valueString | ΣC | 0..1 | string | Actual result | ||||
|     value[x]:valueRange | ΣC | 0..1 | RangeIPS | Actual result | ||||
|     value[x]:valueRatio | ΣC | 0..1 | RatioEuLab | Actual result | ||||
|     value[x]:valueTime | ΣC | 0..1 | time | Actual result | ||||
|     value[x]:valuePeriod | ΣC | 0..1 | Period | Actual result | ||||
|    dataAbsentReason | C | 0..1 | CodeableConcept | Provides a reason why the expected value is missing. Binding: DataAbsentReason (extensible): Codes specifying why the result (Observation.value[x]) is missing. | ||||
|    interpretation | 0..* | CodeableConceptIPS | High, low, normal, etc. Binding: ObservationInterpretationCodes (extensible): Codes identifying interpretations of observations. | |||||
|    note | 0..* | Annotation | Comments about the observation | |||||
|    bodySite | 0..1 | CodeableConcept | Observed body part Binding: SNOMEDCTBodyStructures (example): Codes describing anatomical locations. May include laterality. | |||||
|    method | 0..1 | CodeableConceptIPS | How it was done Binding: Laboratory Techniques (preferred) | |||||
|    specimen | 0..1 | Reference(Specimen: Laboratory) | Specimen used for this observation | |||||
|    device | 0..1 | Reference(Device | DeviceMetric) | Measuring instrument | |||||
|    referenceRange | C | 0..* | BackboneElement | Provides guide for interpretation Constraints: obs-3 | ||||
|     id | 0..1 | string | Unique id for inter-element referencing | |||||
|     extension | 0..* | Extension | Additional content defined by implementations | |||||
|     modifierExtension | ?!Σ | 0..* | Extension | Extensions that cannot be ignored even if unrecognized | ||||
|     low | C | 0..1 | SimpleQuantity | Low Range, if relevant | ||||
|     high | C | 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 | SΣ | 1..* | Reference(Observation Results: laboratory) | 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 | Laboratory result | ||||
|     id | 0..1 | string | Unique id for inter-element referencing | |||||
|     Slices for extension | 0..* | Extension | Extension Slice: Unordered, Open by value:url | |||||
|      extension:value-r5 | 0..1 | (Complex) | only for result of type Attachment URL: http://hl7.org/fhir/5.0/StructureDefinition/extension-Observation.value[x] | |||||
|       id | 0..1 | string | Unique id for inter-element referencing | |||||
|       extension | 0..0 | Extension Slice: Unordered, Open by value:url | ||||||
|       url | 1..1 | uri | "http://hl7.org/fhir/5.0/StructureDefinition/extension-Observation.value[x]" | |||||
|       value[x] | 1..1 | Attachment | Value of extension | |||||
|     modifierExtension | ?!Σ | 0..* | Extension | Extensions that cannot be ignored even if unrecognized | ||||
|     code | Σ | 1..1 | CodeableConceptIPS | Type of component observation (code / type) Binding: Results Laboratory Observation - IPS (preferred) | ||||
|     Slices for value[x] | Σ | 0..1 | Actual component result Slice: Unordered, Open by type:$this | |||||
|      valueQuantity | Quantity | |||||||
|      valueCodeableConcept | CodeableConcept | |||||||
|      valueString | string | |||||||
|      valueBoolean | boolean | |||||||
|      valueInteger | integer | |||||||
|      valueRange | Range | |||||||
|      valueRatio | Ratio | |||||||
|      valueSampledData | SampledData | |||||||
|      valueTime | time | |||||||
|      valueDateTime | dateTime | |||||||
|      valuePeriod | Period | |||||||
|      value[x]:valueString | Σ | 0..1 | string | Actual component result | ||||
|      value[x]:valueRange | Σ | 0..1 | RangeIPS | Actual component result | ||||
|      value[x]:valueRatio | Σ | 0..1 | RatioEuLab | Actual component result | ||||
|      value[x]:valueTime | Σ | 0..1 | time | Actual component result | ||||
|      value[x]:valueDateTime | Σ | 0..1 | dateTime | Actual component result | ||||
|      value[x]:valuePeriod | Σ | 0..1 | Period | Actual component result | ||||
|      value[x]:valueQuantity | Σ | 0..1 | QuantityEuLab | Actual component result | ||||
|      value[x]:valueCodeableConcept | Σ | 0..1 | CodeableConceptIPS | Actual component result Binding: Results Coded Values Laboratory - IPS (preferred) | ||||
|     dataAbsentReason | C | 0..1 | CodeableConcept | Why the component result is missing Binding: DataAbsentReason (extensible): Codes specifying why the result (Observation.value[x]) is missing. | ||||
|     interpretation | 0..* | CodeableConcept | High, low, normal, etc. Binding: ObservationInterpretationCodes (extensible): Codes identifying interpretations of observations. | |||||
|     referenceRange | 0..* | See referenceRange (Observation) | Provides guide for interpretation of component result | |||||
|  Documentation for this format | ||||||||
| 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()) | 
| eu-lab-1 | error | Observation | If observation status is other then "registered" or "cancelled", at least one of these Observation elements shall be provided: "value", "dataAbsentReason", "hasMember" or "component" | (status in ('registered'|'cancelled')) or value.exists() or hasMember.exists() or component.exists() or dataAbsentReason.exists() | 
| eu-lab-2 | error | Observation | If observation has components and observation status is other then "registered" or "cancelled", at least one of these Observation.component elements shall be provided: "value" or "dataAbsentReason" | component.exists() implies (status in ('registered'|'cancelled')) or component.value.exists() or component.dataAbsentReason.exists() | 
| 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 Observation
Key Elements View
| Name | Flags | Card. | Type | Description & Constraints    Filter:   | 
|---|---|---|---|---|
|   Observation | C | 0..* | Observation | Laboratory result for a simple test or for a panel/study Constraints: obs-6, obs-7, eu-lab-1, eu-lab-2 | 
|    implicitRules | ?!Σ | 0..1 | uri | A set of rules under which this content was created | 
|    Slices for extension | Content/Rules for all slices | |||
|     extension:supportingInfo | 0..* | Reference(Resource) | Other information that may be relevant to this event. URL: http://hl7.org/fhir/StructureDefinition/workflow-supportingInfo | |
|     extension:triggeredBy-r5 | 0..* | (Complex) | Optional Extensions Element URL: http://hl7.org/fhir/5.0/StructureDefinition/extension-Observation.triggeredBy | |
|      Slices for extension | Content/Rules for all slices | |||
|       extension:observation | 0..* | Extension | Triggering observation. | |
|        extension | 0..0 | Extension Slice: Unordered, Open by value:url | ||
|        url | 1..1 | uri | "observation" | |
|        value[x] | 1..1 | Reference(Observation) | Value of extension | |
|       extension:type | 0..* | Extension | The type of trigger | |
|        extension | 0..0 | Extension Slice: Unordered, Open by value:url | ||
|        url | 1..1 | uri | "type" | |
|        value[x] | 1..1 | code | Value of extension | |
|       extension:reason | 0..* | Extension | Extension | |
|        extension | 0..0 | Extension Slice: Unordered, Open by value:url | ||
|        url | 1..1 | uri | "reason" | |
|        value[x] | 1..1 | string | Value of extension | |
|      url | 1..1 | uri | "http://hl7.org/fhir/5.0/StructureDefinition/extension-Observation.triggeredBy" | |
|     extension:certifiedRefMaterialCodeable | 0..* | CodeableConcept | Certified Reference Material: CodeableConcept URL: http://hl7.eu/fhir/laboratory/StructureDefinition/observation-certifiedRefMaterialCodeable Binding: Laboratory Certified Reference Material (example) | |
|     extension:certifiedRefMaterialIdentifer | 0..* | Identifier | Certified Reference Material: Identifier URL: http://hl7.eu/fhir/laboratory/StructureDefinition/observation-certifiedRefMaterialIdentifer | |
|     extension:labTestKit | 0..* | Reference(Device) | Device Laboratory Test Kit URL: http://hl7.eu/fhir/laboratory/StructureDefinition/observation-deviceLabTestKit | |
|     extension:value-r5 | 0..1 | (Complex) | only for result of type Attachment URL: http://hl7.org/fhir/5.0/StructureDefinition/extension-Observation.value[x] | |
|      extension | 0..0 | Extension Slice: Unordered, Open by value:url | ||
|      url | 1..1 | uri | "http://hl7.org/fhir/5.0/StructureDefinition/extension-Observation.value[x]" | |
|      value[x] | 1..1 | Attachment | Value of extension | |
|    modifierExtension | ?! | 0..* | Extension | Extensions that cannot be ignored | 
|    identifier | SΣ | 1..* | Identifier | Business Identifier for observation | 
|    status | ?!Σ | 1..1 | code | Observation Status  (HL7 v2 OBX-11) Binding: ObservationStatus (required): Codes providing the status of an observation. | 
|    Slices for category | 1..* | CodeableConceptIPS | Classification of  type of observation Slice: Unordered, Open by value:$this Binding: ObservationCategoryCodes (preferred): Codes for high level observation categories. | |
|     category:laboratory | 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 | |
|     category:studyType | 0..* | CodeableConcept | The way of grouping of the test results into clinically meaningful domains (e.g. hematology study, microbiology study, etc.) Binding: Laboratory Study Types (required) | |
|     category:specialty | 0..* | CodeableConcept | The clinical domain of the laboratory performing the observation (e.g. microbiology, toxicology, chemistry) Binding: Laboratory Specialty (required) | |
|    code | Σ | 1..1 | CodeableConceptIPS | The type of observation (code / type). (HL7 v2 OBX-3) Binding: Laboratory Code (preferred) | 
|    subject | SΣ | 1..1 | Reference(Patient: Animal | Patient: Person | Group | Device | Location) | Who and/or what the observation is about | 
|     reference | SΣC | 1..1 | string | Literal reference, Relative, internal or absolute URL | 
|    encounter | SΣ | 0..1 | Reference(Encounter) | Healthcare event during which this observation is made | 
|    effective[x] | OΣ | 1..1 | Clinically relevant time/time-period for observation (HL7 v2 OBX-14) | |
|     effective[x]All Types | Content/Rules for all Types | |||
|      Slices for extension | Content/Rules for all slices | |||
|       extension:data-absent-reason | 0..1 | code | effective[x] absence reason URL: http://hl7.org/fhir/StructureDefinition/data-absent-reason Binding: DataAbsentReason (required) | |
|     effectiveDateTime | dateTime | |||
|     effectivePeriod | Period | |||
|    performer | Σ | 1..* | Reference(PractitionerRole: Laboratory Report | Patient) | Who is responsible for the observation | 
|     Slices for extension | Content/Rules for all slices | |||
|      extension:performerFunction | 0..* | CodeableConcept | Type of performance URL: http://hl7.org/fhir/StructureDefinition/event-performerFunction Binding: Performer Function Codes (extensible) | |
|    Slices for value[x] | ΣC | 0..1 | Actual result (HL7 v2 OBX-5) Slice: Unordered, Closed by type:$this | |
|     valueQuantity | Quantity | |||
|     valueCodeableConcept | CodeableConcept | |||
|     valueString | string | |||
|     valueBoolean | boolean | |||
|     valueInteger | integer | |||
|     valueRange | Range | |||
|     valueRatio | Ratio | |||
|     valueSampledData | SampledData | |||
|     valueTime | time | |||
|     valueDateTime | dateTime | |||
|     valuePeriod | Period | |||
|     value[x]:valueDateTime | SΣC | 0..1 | dateTime | Actual result | 
|     value[x]:valueQuantity | SΣC | 0..1 | QuantityEuLab | Actual result | 
|     value[x]:valueCodeableConcept | SΣC | 0..1 | CodeableConceptIPS | Actual result Binding: Results Coded Values Laboratory - IPS (preferred) | 
|     value[x]:valueString | ΣC | 0..1 | string | Actual result | 
|     value[x]:valueRange | ΣC | 0..1 | RangeIPS | Actual result | 
|     value[x]:valueRatio | ΣC | 0..1 | RatioEuLab | Actual result | 
|     value[x]:valueTime | ΣC | 0..1 | time | Actual result | 
|     value[x]:valuePeriod | ΣC | 0..1 | Period | Actual result | 
|    hasMember | SΣ | 1..* | Reference(Observation Results: laboratory) | Related resource that belongs to the Observation group | 
|  Documentation for this format | ||||
| Path | Status | Usage | ValueSet | Version | Source | 
| Observation.status | Base | required | ObservationStatus | 📍4.0.1 | FHIR Std. | 
| 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.category:studyType | Base | required | Laboratory Study Types | 📦0.1.1 | HL7 Europe Laboratory Report v0.1 | 
| Observation.category:specialty | Base | required | Laboratory Specialty | 📦0.1.1 | HL7 Europe Laboratory Report v0.1 | 
| Observation.code | Base | preferred | Laboratory Code | 📦0.1.1 | HL7 Europe Laboratory Report v0.1 | 
| Observation.value[x]:valueCodeableConcept | Base | preferred | Results Coded Values Laboratory - IPS | 📦1.1.0 | International Patient Summary Implementation Guide v1.1 | 
| 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()) | 
| eu-lab-1 | error | Observation | If observation status is other then "registered" or "cancelled", at least one of these Observation elements shall be provided: "value", "dataAbsentReason", "hasMember" or "component" | (status in ('registered'|'cancelled')) or value.exists() or hasMember.exists() or component.exists() or dataAbsentReason.exists() | 
| eu-lab-2 | error | Observation | If observation has components and observation status is other then "registered" or "cancelled", at least one of these Observation.component elements shall be provided: "value" or "dataAbsentReason" | component.exists() implies (status in ('registered'|'cancelled')) or component.value.exists() or component.dataAbsentReason.exists() | 
| 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 Observation
| Name | Flags | Card. | Type | Description & Constraints    Filter:   | 
|---|---|---|---|---|
|   Observation | 0..* | Observation | Laboratory result for a simple test or for a panel/study | |
|    hasMember | S | 1..* | Reference(Observation Results: laboratory) | Related resource that belongs to the Observation group | 
|  Documentation for this format | ||||
Snapshot View
| Name | Flags | Card. | Type | Description & Constraints    Filter:   | ||||
|---|---|---|---|---|---|---|---|---|
|   Observation | C | 0..* | Observation | Laboratory result for a simple test or for a panel/study Constraints: obs-6, obs-7, eu-lab-1, eu-lab-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. 
 | |||||
|    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 | |||||
|    Slices for extension | 0..* | Extension | Laboratory Test Kit Slice: Unordered, Open by value:url | |||||
|     extension:supportingInfo | 0..* | Reference(Resource) | Other information that may be relevant to this event. URL: http://hl7.org/fhir/StructureDefinition/workflow-supportingInfo | |||||
|     extension:triggeredBy-r5 | 0..* | (Complex) | Optional Extensions Element URL: http://hl7.org/fhir/5.0/StructureDefinition/extension-Observation.triggeredBy | |||||
|      id | 0..1 | string | Unique id for inter-element referencing | |||||
|      Slices for extension | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url | |||||
|       extension:observation | 0..* | Extension | Triggering observation. | |||||
|        id | 0..1 | string | Unique id for inter-element referencing | |||||
|        extension | 0..0 | Extension Slice: Unordered, Open by value:url | ||||||
|        url | 1..1 | uri | "observation" | |||||
|        value[x] | 1..1 | Reference(Observation) | Value of extension | |||||
|       extension:type | 0..* | Extension | The type of trigger | |||||
|        id | 0..1 | string | Unique id for inter-element referencing | |||||
|        extension | 0..0 | Extension Slice: Unordered, Open by value:url | ||||||
|        url | 1..1 | uri | "type" | |||||
|        value[x] | 1..1 | code | Value of extension | |||||
|       extension:reason | 0..* | Extension | Extension | |||||
|        id | 0..1 | string | Unique id for inter-element referencing | |||||
|        extension | 0..0 | Extension Slice: Unordered, Open by value:url | ||||||
|        url | 1..1 | uri | "reason" | |||||
|        value[x] | 1..1 | string | Value of extension | |||||
|      url | 1..1 | uri | "http://hl7.org/fhir/5.0/StructureDefinition/extension-Observation.triggeredBy" | |||||
|     extension:certifiedRefMaterialCodeable | 0..* | CodeableConcept | Certified Reference Material: CodeableConcept URL: http://hl7.eu/fhir/laboratory/StructureDefinition/observation-certifiedRefMaterialCodeable Binding: Laboratory Certified Reference Material (example) | |||||
|     extension:certifiedRefMaterialIdentifer | 0..* | Identifier | Certified Reference Material: Identifier URL: http://hl7.eu/fhir/laboratory/StructureDefinition/observation-certifiedRefMaterialIdentifer | |||||
|     extension:labTestKit | 0..* | Reference(Device) | Device Laboratory Test Kit URL: http://hl7.eu/fhir/laboratory/StructureDefinition/observation-deviceLabTestKit | |||||
|     extension:value-r5 | 0..1 | (Complex) | only for result of type Attachment URL: http://hl7.org/fhir/5.0/StructureDefinition/extension-Observation.value[x] | |||||
|      id | 0..1 | string | Unique id for inter-element referencing | |||||
|      extension | 0..0 | Extension Slice: Unordered, Open by value:url | ||||||
|      url | 1..1 | uri | "http://hl7.org/fhir/5.0/StructureDefinition/extension-Observation.value[x]" | |||||
|      value[x] | 1..1 | Attachment | Value of extension | |||||
|    modifierExtension | ?! | 0..* | Extension | Extensions that cannot be ignored | ||||
|    identifier | SΣ | 1..* | Identifier | Business Identifier for observation | ||||
|    basedOn | Σ | 0..* | Reference(CarePlan | DeviceRequest | ImmunizationRecommendation | MedicationRequest | NutritionOrder | ServiceRequest) | Fulfills plan, proposal or order | ||||
|    partOf | Σ | 0..* | Reference(MedicationAdministration | MedicationDispense | MedicationStatement | Procedure | Immunization | ImagingStudy) | Part of referenced event | ||||
|    status | ?!Σ | 1..1 | code | Observation Status  (HL7 v2 OBX-11) Binding: ObservationStatus (required): Codes providing the status of an observation. | ||||
|    Slices for category | 1..* | CodeableConceptIPS | Classification of  type of observation Slice: Unordered, Open by value:$this Binding: ObservationCategoryCodes (preferred): Codes for high level observation categories. | |||||
|     category:laboratory | 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 | |||||
|     category:studyType | 0..* | CodeableConcept | The way of grouping of the test results into clinically meaningful domains (e.g. hematology study, microbiology study, etc.) Binding: Laboratory Study Types (required) | |||||
|     category:specialty | 0..* | CodeableConcept | The clinical domain of the laboratory performing the observation (e.g. microbiology, toxicology, chemistry) Binding: Laboratory Specialty (required) | |||||
|    code | Σ | 1..1 | CodeableConceptIPS | The type of observation (code / type). (HL7 v2 OBX-3) Binding: Laboratory Code (preferred) | ||||
|    subject | SΣ | 1..1 | Reference(Patient: Animal | Patient: Person | Group | Device | Location) | Who and/or what the observation is about | ||||
|     id | 0..1 | string | Unique id for inter-element referencing | |||||
|     extension | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url | |||||
|     reference | SΣC | 1..1 | string | Literal reference, Relative, internal or absolute URL | ||||
|     type | Σ | 0..1 | uri | Type the reference refers to (e.g. "Patient") Binding: ResourceType (extensible): Aa resource (or, for logical models, the URI of the logical model). | ||||
|     identifier | Σ | 0..1 | NHSNumber | Logical reference, when literal reference is not known | ||||
|     display | Σ | 0..1 | string | Text alternative for the resource | ||||
|    focus | Σ | 0..* | Reference(Resource) | What the observation is about, when it is not about the subject of record | ||||
|    encounter | SΣ | 0..1 | Reference(Encounter) | Healthcare event during which this observation is made | ||||
|     id | 0..1 | string | Unique id for inter-element referencing | |||||
|     extension | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url | |||||
|     reference | ΣC | 0..1 | string | Literal reference, Relative, internal or absolute URL | ||||
|     type | Σ | 0..1 | uri | Type the reference refers to (e.g. "Patient") Binding: ResourceType (extensible): Aa resource (or, for logical models, the URI of the logical model). | ||||
|     identifier | OΣ | 0..1 | CorrelationIdentifier | Logical reference, when literal reference is not known | ||||
|     display | Σ | 0..1 | string | Text alternative for the resource | ||||
|    effective[x] | OΣ | 1..1 | Clinically relevant time/time-period for observation (HL7 v2 OBX-14) | |||||
|     effective[x]All Types | Content/Rules for all Types | |||||||
|      id | 0..1 | string | Unique id for inter-element referencing | |||||
|      Slices for extension | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url | |||||
|       extension:data-absent-reason | 0..1 | code | effective[x] absence reason URL: http://hl7.org/fhir/StructureDefinition/data-absent-reason Binding: DataAbsentReason (required) | |||||
|     effectiveDateTime | dateTime | |||||||
|     effectivePeriod | Period | |||||||
|    issued | Σ | 0..1 | instant | Date/Time this result was made available | ||||
|    performer | Σ | 1..* | Reference(PractitionerRole: Laboratory Report | Patient) | Who is responsible for the observation | ||||
|     id | 0..1 | string | Unique id for inter-element referencing | |||||
|     Slices for extension | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url | |||||
|      extension:performerFunction | 0..* | CodeableConcept | Type of performance URL: http://hl7.org/fhir/StructureDefinition/event-performerFunction Binding: Performer Function Codes (extensible) | |||||
|     reference | ΣC | 0..1 | string | Literal reference, Relative, internal or absolute URL | ||||
|     type | Σ | 0..1 | uri | Type the reference refers to (e.g. "Patient") Binding: ResourceType (extensible): Aa resource (or, for logical models, the URI of the logical model). | ||||
|     identifier | Σ | 0..1 | Identifier | Logical reference, when literal reference is not known | ||||
|     display | Σ | 0..1 | string | Text alternative for the resource | ||||
|    Slices for value[x] | ΣC | 0..1 | Actual result (HL7 v2 OBX-5) Slice: Unordered, Closed by type:$this | |||||
|     valueQuantity | Quantity | |||||||
|     valueCodeableConcept | CodeableConcept | |||||||
|     valueString | string | |||||||
|     valueBoolean | boolean | |||||||
|     valueInteger | integer | |||||||
|     valueRange | Range | |||||||
|     valueRatio | Ratio | |||||||
|     valueSampledData | SampledData | |||||||
|     valueTime | time | |||||||
|     valueDateTime | dateTime | |||||||
|     valuePeriod | Period | |||||||
|     value[x]:valueDateTime | SΣC | 0..1 | dateTime | Actual result | ||||
|     value[x]:valueQuantity | SΣC | 0..1 | QuantityEuLab | Actual result | ||||
|     value[x]:valueCodeableConcept | SΣC | 0..1 | CodeableConceptIPS | Actual result Binding: Results Coded Values Laboratory - IPS (preferred) | ||||
|     value[x]:valueString | ΣC | 0..1 | string | Actual result | ||||
|     value[x]:valueRange | ΣC | 0..1 | RangeIPS | Actual result | ||||
|     value[x]:valueRatio | ΣC | 0..1 | RatioEuLab | Actual result | ||||
|     value[x]:valueTime | ΣC | 0..1 | time | Actual result | ||||
|     value[x]:valuePeriod | ΣC | 0..1 | Period | Actual result | ||||
|    dataAbsentReason | C | 0..1 | CodeableConcept | Provides a reason why the expected value is missing. Binding: DataAbsentReason (extensible): Codes specifying why the result (Observation.value[x]) is missing. | ||||
|    interpretation | 0..* | CodeableConceptIPS | High, low, normal, etc. Binding: ObservationInterpretationCodes (extensible): Codes identifying interpretations of observations. | |||||
|    note | 0..* | Annotation | Comments about the observation | |||||
|    bodySite | 0..1 | CodeableConcept | Observed body part Binding: SNOMEDCTBodyStructures (example): Codes describing anatomical locations. May include laterality. | |||||
|    method | 0..1 | CodeableConceptIPS | How it was done Binding: Laboratory Techniques (preferred) | |||||
|    specimen | 0..1 | Reference(Specimen: Laboratory) | Specimen used for this observation | |||||
|    device | 0..1 | Reference(Device | DeviceMetric) | Measuring instrument | |||||
|    referenceRange | C | 0..* | BackboneElement | Provides guide for interpretation Constraints: obs-3 | ||||
|     id | 0..1 | string | Unique id for inter-element referencing | |||||
|     extension | 0..* | Extension | Additional content defined by implementations | |||||
|     modifierExtension | ?!Σ | 0..* | Extension | Extensions that cannot be ignored even if unrecognized | ||||
|     low | C | 0..1 | SimpleQuantity | Low Range, if relevant | ||||
|     high | C | 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 | SΣ | 1..* | Reference(Observation Results: laboratory) | 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 | Laboratory result | ||||
|     id | 0..1 | string | Unique id for inter-element referencing | |||||
|     Slices for extension | 0..* | Extension | Extension Slice: Unordered, Open by value:url | |||||
|      extension:value-r5 | 0..1 | (Complex) | only for result of type Attachment URL: http://hl7.org/fhir/5.0/StructureDefinition/extension-Observation.value[x] | |||||
|       id | 0..1 | string | Unique id for inter-element referencing | |||||
|       extension | 0..0 | Extension Slice: Unordered, Open by value:url | ||||||
|       url | 1..1 | uri | "http://hl7.org/fhir/5.0/StructureDefinition/extension-Observation.value[x]" | |||||
|       value[x] | 1..1 | Attachment | Value of extension | |||||
|     modifierExtension | ?!Σ | 0..* | Extension | Extensions that cannot be ignored even if unrecognized | ||||
|     code | Σ | 1..1 | CodeableConceptIPS | Type of component observation (code / type) Binding: Results Laboratory Observation - IPS (preferred) | ||||
|     Slices for value[x] | Σ | 0..1 | Actual component result Slice: Unordered, Open by type:$this | |||||
|      valueQuantity | Quantity | |||||||
|      valueCodeableConcept | CodeableConcept | |||||||
|      valueString | string | |||||||
|      valueBoolean | boolean | |||||||
|      valueInteger | integer | |||||||
|      valueRange | Range | |||||||
|      valueRatio | Ratio | |||||||
|      valueSampledData | SampledData | |||||||
|      valueTime | time | |||||||
|      valueDateTime | dateTime | |||||||
|      valuePeriod | Period | |||||||
|      value[x]:valueString | Σ | 0..1 | string | Actual component result | ||||
|      value[x]:valueRange | Σ | 0..1 | RangeIPS | Actual component result | ||||
|      value[x]:valueRatio | Σ | 0..1 | RatioEuLab | Actual component result | ||||
|      value[x]:valueTime | Σ | 0..1 | time | Actual component result | ||||
|      value[x]:valueDateTime | Σ | 0..1 | dateTime | Actual component result | ||||
|      value[x]:valuePeriod | Σ | 0..1 | Period | Actual component result | ||||
|      value[x]:valueQuantity | Σ | 0..1 | QuantityEuLab | Actual component result | ||||
|      value[x]:valueCodeableConcept | Σ | 0..1 | CodeableConceptIPS | Actual component result Binding: Results Coded Values Laboratory - IPS (preferred) | ||||
|     dataAbsentReason | C | 0..1 | CodeableConcept | Why the component result is missing Binding: DataAbsentReason (extensible): Codes specifying why the result (Observation.value[x]) is missing. | ||||
|     interpretation | 0..* | CodeableConcept | High, low, normal, etc. Binding: ObservationInterpretationCodes (extensible): Codes identifying interpretations of observations. | |||||
|     referenceRange | 0..* | See referenceRange (Observation) | Provides guide for interpretation of component result | |||||
|  Documentation for this format | ||||||||
| 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()) | 
| eu-lab-1 | error | Observation | If observation status is other then "registered" or "cancelled", at least one of these Observation elements shall be provided: "value", "dataAbsentReason", "hasMember" or "component" | (status in ('registered'|'cancelled')) or value.exists() or hasMember.exists() or component.exists() or dataAbsentReason.exists() | 
| eu-lab-2 | error | Observation | If observation has components and observation status is other then "registered" or "cancelled", at least one of these Observation.component elements shall be provided: "value" or "dataAbsentReason" | component.exists() implies (status in ('registered'|'cancelled')) or component.value.exists() or component.dataAbsentReason.exists() | 
| 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 Observation
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