{description: Codes temporarily defined as part of the PQ-CMC-FDA implementation guide.  These will eventually migrate into an officially maintained terminology (likely either NCIt or HL7's UTG code systems). The hierarchy will presist in the IG., package_name: hl7.fhir.us.pq-cmc-fda, name: PqcmcTestCategoryCodes, type: null, package_version: 1.0.0-ballot, class: unknown, kind: null, url: 'http://hl7.org/fhir/us/pq-cmc-fda/CodeSystem/pqcmc-test-category-codes', version: 1.0.0-ballot}