{description: Codes describing fallback actions when the preferred specimen cannot be used., package_name: hl7.fhir.uv.extensions, name: FallBackAction, type: null, package_version: 5.3.0-ballot-tc1, class: unknown, kind: null, url: 'http://hl7.org/fhir/CodeSystem/codesystem-fallBackAction', version: 5.3.0-ballot-tc1}