description: A code representing the the type of specimen used for this observation.  Should only be used if not implicit in the code found in `Observation.code`.
package_name: hl7.fhir.uv.extensions.r5
derivation: constraint
name: ObsSpecimenCode
type: Extension
elements:
  extension: {index: 0}
  url:
    pattern: {type: uri, value: 'http://hl7.org/fhir/StructureDefinition/observation-specimenCode'}
    type: uri
    index: 1
  value:
    choices: [valueCodeableConcept]
    index: 3
  valueCodeableConcept: {type: CodeableConcept, choiceOf: value, index: 4}
package_version: 5.3.0-ballot
extensions: {}
class: extension
kind: complex-type
url: http://hl7.org/fhir/StructureDefinition/observation-specimenCode
base: http://hl7.org/fhir/StructureDefinition/Extension
version: 5.3.0-ballot
required: [value, valueCodeableConcept]