description: Measurements and simple assertions made about a patient, device or other subject. package_name: hl7.fhir.r6.examples derivation: specialization name: Observation type: Observation elements: category: isModifier: false short: Classification of type of observation type: CodeableConcept mustSupport: false array: true binding: {strength: preferred, valueSet: 'http://hl7.org/fhir/ValueSet/observation-category'} isSummary: false index: 8 referenceRange: constraint: obs-3: {human: Must have at least a low or a high or text, source: 'http://hl7.org/fhir/StructureDefinition/Observation', severity: error, expression: low.exists() or high.exists() or text.exists()} isModifier: false short: Provides guide for interpretation index: 45 type: BackboneElement mustSupport: false array: true elements: low: constraint: obs-13: {human: 'If low.comparator exists, it must be ''>='' or ''>''.', source: 'http://hl7.org/fhir/StructureDefinition/Observation', severity: error, expression: comparator.exists() implies (comparator = '>=' or comparator = '>')} isModifier: false short: Low Range, if relevant type: Quantity mustSupport: false isSummary: false index: 46 high: constraint: obs-14: {human: 'If high.comparator exists, it must be ''<='' or ''<''.', source: 'http://hl7.org/fhir/StructureDefinition/Observation', severity: error, expression: comparator.exists() implies (comparator = '<=' or comparator = '<')} isModifier: false short: High Range, if relevant type: Quantity mustSupport: false isSummary: false index: 47 normalValue: isModifier: false short: Normal value, if relevant type: CodeableConcept mustSupport: false binding: {strength: example, valueSet: 'http://hl7.org/fhir/ValueSet/observation-referencerange-normalvalue'} isSummary: false index: 48 type: isModifier: false short: Reference range qualifier type: CodeableConcept mustSupport: false binding: {strength: preferred, valueSet: 'http://hl7.org/fhir/ValueSet/referencerange-meaning'} isSummary: false index: 49 appliesTo: isModifier: false short: Reference range population type: CodeableConcept mustSupport: false array: true binding: {strength: example, valueSet: 'http://hl7.org/fhir/ValueSet/referencerange-appliesto'} isSummary: false index: 50 age: {isModifier: false, short: 'Applicable age range, if relevant', type: Range, mustSupport: false, isSummary: false, index: 51} text: {isModifier: false, short: Text based reference range in an observation, type: markdown, mustSupport: false, isSummary: false, index: 52} isSummary: false hasMember: isModifier: false short: Related resource that belongs to the Observation group refers: ['http://hl7.org/fhir/StructureDefinition/Observation', 'http://hl7.org/fhir/StructureDefinition/QuestionnaireResponse'] type: Reference mustSupport: false array: true isSummary: true index: 53 derivedFrom: isModifier: false short: Related resource from which the observation is made refers: ['http://hl7.org/fhir/StructureDefinition/DocumentReference', 'http://hl7.org/fhir/StructureDefinition/ImagingSelection', 'http://hl7.org/fhir/StructureDefinition/ImagingStudy', 'http://hl7.org/fhir/StructureDefinition/Observation', 'http://hl7.org/fhir/StructureDefinition/QuestionnaireResponse'] type: Reference mustSupport: false array: true isSummary: true index: 54 interpretation: isModifier: false short: High, low, normal, etc type: CodeableConcept mustSupport: false array: true binding: {strength: extensible, valueSet: 'http://hl7.org/fhir/ValueSet/observation-interpretation'} isSummary: false index: 37 encounter: isModifier: false short: Healthcare event during which this observation is made. If you need to place the observation within one or more episodes of care, use the workflow-episodeOfCare extension refers: ['http://hl7.org/fhir/StructureDefinition/Encounter'] type: Reference mustSupport: false isSummary: true index: 13 method: isModifier: false short: How it was done type: CodeableConcept mustSupport: false binding: {strength: example, valueSet: 'http://hl7.org/fhir/ValueSet/observation-methods'} isSummary: false index: 42 valueTime: {isModifier: false, short: Actual result, type: time, mustSupport: false, choiceOf: value, isSummary: true, index: 32} specimen: constraint: obs-9: {human: 'If Observation.specimen is a reference to Group, the group can only have specimens', source: 'http://hl7.org/fhir/StructureDefinition/Observation', severity: error, expression: (reference.resolve().exists() and reference.resolve() is Group) implies reference.resolve().member.entity.resolve().all($this is Specimen)} isModifier: false short: Specimen used for this observation refers: ['http://hl7.org/fhir/StructureDefinition/Group', 'http://hl7.org/fhir/StructureDefinition/Specimen'] type: Reference mustSupport: false isSummary: false index: 43 valueQuantity: {isModifier: false, short: Actual result, type: Quantity, mustSupport: false, choiceOf: value, isSummary: true, index: 24} value: isModifier: false short: Actual result mustSupport: false choices: [valueQuantity, valueCodeableConcept, valueString, valueBoolean, valueInteger, valueRange, valueRatio, valueSampledData, valueTime, valueDateTime, valuePeriod, valueAttachment] isSummary: true index: 23 valueString: {isModifier: false, short: Actual result, type: string, mustSupport: false, choiceOf: value, isSummary: true, index: 26} valueRatio: {isModifier: false, short: Actual result, type: Ratio, mustSupport: false, choiceOf: value, isSummary: true, index: 30} valueBoolean: {isModifier: false, short: Actual result, type: boolean, mustSupport: false, choiceOf: value, isSummary: true, index: 27} valueDateTime: {isModifier: false, short: Actual result, type: dateTime, mustSupport: false, choiceOf: value, isSummary: true, index: 33} component: isModifier: false short: Component results index: 55 type: BackboneElement mustSupport: false array: true elements: referenceRange: elementReference: ['http://hl7.org/fhir/StructureDefinition/Observation', elements, referenceRange] isModifier: false short: Provides guide for interpretation of component result value mustSupport: false array: true isSummary: false index: 73 interpretation: isModifier: false short: High, low, normal, etc type: CodeableConcept mustSupport: false array: true binding: {strength: extensible, valueSet: 'http://hl7.org/fhir/ValueSet/observation-interpretation'} isSummary: false index: 72 valueTime: {isModifier: false, short: Actual component result, type: time, mustSupport: false, choiceOf: value, isSummary: true, index: 67} valueQuantity: {isModifier: false, short: Actual component result, type: Quantity, mustSupport: false, choiceOf: value, isSummary: true, index: 59} value: isModifier: false short: Actual component result mustSupport: false choices: [valueQuantity, valueCodeableConcept, valueString, valueBoolean, valueInteger, valueRange, valueRatio, valueSampledData, valueTime, valueDateTime, valuePeriod, valueAttachment] isSummary: true index: 58 valueString: {isModifier: false, short: Actual component result, type: string, mustSupport: false, choiceOf: value, isSummary: true, index: 61} valueRatio: {isModifier: false, short: Actual component result, type: Ratio, mustSupport: false, choiceOf: value, isSummary: true, index: 65} valueBoolean: {isModifier: false, short: Actual component result, type: boolean, mustSupport: false, choiceOf: value, isSummary: true, index: 62} valueDateTime: {isModifier: false, short: Actual component result, type: dateTime, mustSupport: false, choiceOf: value, isSummary: true, index: 68} valueSampledData: {isModifier: false, short: Actual component result, type: SampledData, mustSupport: false, choiceOf: value, isSummary: true, index: 66} code: isModifier: false short: Type of component observation (code / type) type: CodeableConcept mustSupport: false binding: {strength: example, valueSet: 'http://hl7.org/fhir/ValueSet/observation-codes-observationorboth'} isSummary: true index: 56 valueCodeableConcept: {isModifier: false, short: Actual component result, type: CodeableConcept, mustSupport: false, choiceOf: value, isSummary: true, index: 60} valuePeriod: {isModifier: false, short: Actual component result, type: Period, mustSupport: false, choiceOf: value, isSummary: true, index: 69} valueRange: {isModifier: false, short: Actual component result, type: Range, mustSupport: false, choiceOf: value, isSummary: true, index: 64} valueInteger: {isModifier: false, short: Actual component result, type: integer, mustSupport: false, choiceOf: value, isSummary: true, index: 63} valueAttachment: {isModifier: false, short: Actual component result, type: Attachment, mustSupport: false, choiceOf: value, isSummary: true, index: 70} dataAbsentReason: isModifier: false short: Why the component result value is missing type: CodeableConcept mustSupport: false binding: {strength: extensible, valueSet: 'http://hl7.org/fhir/ValueSet/data-absent-reason'} isSummary: false index: 71 required: [code] isSummary: true note: {isModifier: false, short: Comments about the observation, type: Annotation, mustSupport: false, array: true, isSummary: false, index: 39} valueSampledData: {isModifier: false, short: Actual result, type: SampledData, mustSupport: false, choiceOf: value, isSummary: true, index: 31} effectiveDateTime: {isModifier: false, short: Clinically relevant time/time-period for observation, type: dateTime, mustSupport: false, choiceOf: effective, isSummary: true, index: 16} status: isModifier: true short: registered | specimen-in-process | preliminary | final | amended | corrected | appended | cancelled | entered-in-error | unknown | cannot-be-obtained index: 7 type: code mustSupport: false binding: {strength: required, valueSet: 'http://hl7.org/fhir/ValueSet/observation-status|6.0.0-ballot4'} isModifierReason: This element is labeled as a modifier because it is a status element that contains status entered-in-error which means that the resource should not be treated as valid isSummary: true effective: isModifier: false short: Clinically relevant time/time-period for observation mustSupport: false choices: [effectiveDateTime, effectivePeriod, effectiveTiming, effectiveInstant] isSummary: true index: 15 code: isModifier: false short: Type of observation (code / type) type: CodeableConcept mustSupport: false binding: {strength: example, valueSet: 'http://hl7.org/fhir/ValueSet/observation-codes-observationorboth'} isSummary: true index: 9 identifier: {isModifier: false, short: Business Identifier for observation, type: Identifier, mustSupport: false, array: true, isSummary: true, index: 0} effectiveTiming: {isModifier: false, short: Clinically relevant time/time-period for observation, type: Timing, mustSupport: false, choiceOf: effective, isSummary: true, index: 18} interpretationContext: isModifier: false short: Context for understanding the observation type: CodeableReference mustSupport: false array: true binding: {strength: example, valueSet: 'http://hl7.org/fhir/ValueSet/observation-interpretation-context'} isSummary: false index: 38 valueCodeableConcept: {isModifier: false, short: Actual result, type: CodeableConcept, mustSupport: false, choiceOf: value, isSummary: true, index: 25} bodySite: isModifier: false short: 'DEPRECATED: Observed body part' type: CodeableConcept mustSupport: false binding: {strength: example, valueSet: 'http://hl7.org/fhir/ValueSet/body-site'} isSummary: false index: 40 focus: isModifier: true short: What the observation is about, when it is not about the subject of record index: 11 refers: ['http://hl7.org/fhir/StructureDefinition/Resource'] type: Reference mustSupport: false array: true isModifierReason: This element is labeled as a modifier because it changes who is the target of the observation. See the use cases in the definition. isSummary: true issued: {isModifier: false, short: Date/Time this version was made available, type: instant, mustSupport: false, isSummary: true, index: 20} valuePeriod: {isModifier: false, short: Actual result, type: Period, mustSupport: false, choiceOf: value, isSummary: true, index: 34} device: isModifier: false short: A reference to the device that generates the measurements or the device settings for the device refers: ['http://hl7.org/fhir/StructureDefinition/Device', 'http://hl7.org/fhir/StructureDefinition/DeviceMetric'] type: Reference mustSupport: false isSummary: false index: 44 effectiveInstant: {isModifier: false, short: Clinically relevant time/time-period for observation, type: instant, mustSupport: false, choiceOf: effective, isSummary: true, index: 19} basedOn: isModifier: false short: Fulfills plan, proposal or order refers: ['http://hl7.org/fhir/StructureDefinition/CarePlan', 'http://hl7.org/fhir/StructureDefinition/DeviceRequest', 'http://hl7.org/fhir/StructureDefinition/MedicationRequest', 'http://hl7.org/fhir/StructureDefinition/NutritionOrder', 'http://hl7.org/fhir/StructureDefinition/ServiceRequest'] type: Reference mustSupport: false array: true isSummary: true index: 1 valueRange: {isModifier: false, short: Actual result, type: Range, mustSupport: false, choiceOf: value, isSummary: true, index: 29} partOf: isModifier: false short: Part of referenced event refers: ['http://hl7.org/fhir/StructureDefinition/ImagingStudy', 'http://hl7.org/fhir/StructureDefinition/Immunization', 'http://hl7.org/fhir/StructureDefinition/MedicationAdministration', 'http://hl7.org/fhir/StructureDefinition/MedicationDispense', 'http://hl7.org/fhir/StructureDefinition/MedicationStatement', 'http://hl7.org/fhir/StructureDefinition/Procedure'] type: Reference mustSupport: false array: true isSummary: true index: 6 bodyStructure: isModifier: false short: Observed body structure type: CodeableReference mustSupport: false binding: {strength: example, valueSet: 'http://hl7.org/fhir/ValueSet/body-site'} isSummary: false index: 41 valueInteger: {isModifier: false, short: Actual result, type: integer, mustSupport: false, choiceOf: value, isSummary: true, index: 28} valueAttachment: {isModifier: false, short: Actual result, type: Attachment, mustSupport: false, choiceOf: value, isSummary: true, index: 35} triggeredBy: isModifier: false short: Triggering observation(s) index: 2 type: BackboneElement mustSupport: false array: true elements: observation: isModifier: false short: Triggering observation refers: ['http://hl7.org/fhir/StructureDefinition/Observation'] type: Reference mustSupport: false isSummary: true index: 3 type: isModifier: false short: reflex | repeat | re-run type: code mustSupport: false binding: {strength: required, valueSet: 'http://hl7.org/fhir/ValueSet/observation-triggeredbytype|6.0.0-ballot4'} isSummary: true index: 4 reason: {isModifier: false, short: Reason that the observation was triggered, type: string, mustSupport: false, isSummary: false, index: 5} required: [type, observation] isSummary: false subject: isModifier: false short: Who and/or what the observation is about refers: ['http://hl7.org/fhir/StructureDefinition/BiologicallyDerivedProduct', 'http://hl7.org/fhir/StructureDefinition/Device', 'http://hl7.org/fhir/StructureDefinition/Group', 'http://hl7.org/fhir/StructureDefinition/Location', 'http://hl7.org/fhir/StructureDefinition/Medication', 'http://hl7.org/fhir/StructureDefinition/NutritionProduct', 'http://hl7.org/fhir/StructureDefinition/Organization', 'http://hl7.org/fhir/StructureDefinition/Patient', 'http://hl7.org/fhir/StructureDefinition/Practitioner', 'http://hl7.org/fhir/StructureDefinition/Procedure', 'http://hl7.org/fhir/StructureDefinition/Substance'] type: Reference mustSupport: false isSummary: true index: 10 performer: isModifier: false short: Who is responsible for the observation refers: ['http://hl7.org/fhir/StructureDefinition/CareTeam', 'http://hl7.org/fhir/StructureDefinition/Group', 'http://hl7.org/fhir/StructureDefinition/HealthcareService', 'http://hl7.org/fhir/StructureDefinition/Organization', 'http://hl7.org/fhir/StructureDefinition/Patient', 'http://hl7.org/fhir/StructureDefinition/Practitioner', 'http://hl7.org/fhir/StructureDefinition/PractitionerRole', 'http://hl7.org/fhir/StructureDefinition/RelatedPerson'] type: Reference mustSupport: false array: true isSummary: true index: 21 dataAbsentReason: isModifier: false short: Why the result value is missing type: CodeableConcept mustSupport: false binding: {strength: extensible, valueSet: 'http://hl7.org/fhir/ValueSet/data-absent-reason'} isSummary: false index: 36 organizer: {isModifier: false, short: This observation organizes/groups a set of sub-observations, type: boolean, mustSupport: false, isSummary: true, index: 12} effectivePeriod: {isModifier: false, short: Clinically relevant time/time-period for observation, type: Period, mustSupport: false, choiceOf: effective, isSummary: true, index: 17} package_version: 6.0.0-ballot4 class: resource kind: resource url: http://hl7.org/fhir/StructureDefinition/Observation base: http://hl7.org/fhir/StructureDefinition/DomainResource version: 6.0.0-ballot4 required: [status, code]