description: Further constrains the US Core Lab Result Observation to set specimen to Must Support.
package_name: hl7.fhir.us.ecr
derivation: constraint
name: USPublicHealthLaboratoryResultObservationProfile
type: Observation
elements:
  specimen: {mustSupport: true, index: 0}
package_version: 2.1.2
class: profile
kind: resource
url: http://hl7.org/fhir/us/ecr/StructureDefinition/us-ph-lab-result-observation
base: http://hl7.org/fhir/us/core/StructureDefinition/us-core-observation-lab
version: 2.1.2