FHIR Observation

The FHIR R4 elements of Observation and the HL7 v2 elements the guide maps to them. Elements inherited from the base resource are hidden unless they have a source.

Segment maps: NTE OBX PD1 PRT
Data type maps: CWE
Used in messages: ADT_A01 ADT_A02 ADT_A05 ADT_A06 ADT_A09 ADT_A11 ADT_A17 OML_O21 ORM_O01 ORU_R01 SIU_S12 VXU_V04

Filter elements

Only elements with an HL7 v2 source

Element	Cardinality	Type	HL7 v2 source
`extension`	`0..*`	Extension	OBX-10 OBX-19 OBX-30 OBX-33 OBX-5 PRT-9 PRT-14
`identifier`	`0..*`	Identifier	OBX-21
`basedOn`	`0..*`	`Reference`Reference(`CarePlan` \| `DeviceRequest` \| `ImmunizationRecommendation` \| MedicationRequest \| `NutritionOrder` \| ServiceRequest)
`partOf`	`0..*`	`Reference`Reference(MedicationAdministration \| `MedicationDispense` \| `MedicationStatement` \| Procedure \| Immunization \| `ImagingStudy`)
`status`	`1..1`	`code`	OBX-11 CWE
`category`	`0..*`	CodeableConcept	OBX-29
`code`	`1..1`	CodeableConcept	OBX-3 CWE
`subject`	`0..1`	`Reference`Reference(Patient \| `Group` \| Device \| Location)
`focus`	`0..*`	`Reference`Reference(`Resource`)
`encounter`	`0..1`	`Reference`Reference(Encounter)
`effective[x]`	`0..1`	`dateTime`Period Timing`instant`	OBX-14
`issued`	`0..1`	`instant`
`performer`	`0..*`	`Reference`Reference(Practitioner \| PractitionerRole \| Organization \| CareTeam \| Patient \| RelatedPerson)	OBX-16 OBX-23 OBX-24 OBX-25 OBX-15
`value[x]`	`0..1`	Quantity CodeableConcept`stringbooleaninteger`Range Ratio SampledData`timedateTime`Period	OBX-10 OBX-19 OBX-30 OBX-33 OBX-5 OBX-6 PD1-7 PRT-9 PRT-14
`dataAbsentReason`	`0..1`	CodeableConcept	OBX-11
`interpretation`	`0..*`	CodeableConcept	OBX-8
`note`	`0..*`	Annotation	NTE-3 NTE-5 NTE-6
`bodySite`	`0..1`	CodeableConcept	OBX-20
`method`	`0..1`	CodeableConcept	OBX-17
`specimen`	`0..1`	`Reference`Reference(Specimen)	OBX-33
`device`	`0..1`	`Reference`Reference(Device \| `DeviceMetric`)	OBX-18
`referenceRange`	`0..*`	`BackboneElement`
`low`	`0..1`	Quantity
`high`	`0..1`	Quantity
`type`	`0..1`	CodeableConcept
`appliesTo`	`0..*`	CodeableConcept
`age`	`0..1`	Range
`text`	`0..1`	`string`	OBX-7
`hasMember`	`0..*`	`Reference`Reference(Observation \| `QuestionnaireResponse` \| `MolecularSequence`)
`derivedFrom`	`0..*`	`Reference`Reference(DocumentReference \| `ImagingStudy` \| `Media` \| `QuestionnaireResponse` \| Observation \| `MolecularSequence`)	OBX-5
`component`	`0..*`	`BackboneElement`
`code`	`1..1`	CodeableConcept
`value[x]`	`0..1`	Quantity CodeableConcept`stringbooleaninteger`Range Ratio SampledData`timedateTime`Period
`dataAbsentReason`	`0..1`	CodeableConcept
`interpretation`	`0..*`	CodeableConcept
`referenceRange`	`0..*`	`referenceRange`
Nothing matches the filter.