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.core
derivation: constraint
name: specimenCode
type: Extension
elements:
  extension: {index: 0}
  url:
    type: uri
    pattern: {type: Uri, value: 'http://hl7.org/fhir/StructureDefinition/observation-specimenCode'}
    index: 1
  valueCodeableConcept:
    type: CodeableConcept
    binding: {strength: example, valueSet: 'http://terminology.hl7.org/ValueSet/v2-0487'}
    index: 2
package_version: 3.5.0
extensions: {}
class: extension
kind: complex-type
url: http://hl7.org/fhir/StructureDefinition/observation-specimenCode
base: http://hl7.org/fhir/StructureDefinition/Extension
version: null