This is the ValueSet that contains codes in both US Core Laboratory Test Codes (http://hl7.org/fhir/us/core/ValueSet/us-core-laboratory-test-codes) and LOINC Codes (http://hl7.org/fhir/ValueSet/observation-codes).
Generated Narrative: ValueSet 04a71662-eb8a-4521-a968-0303a2c3fb07-54