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 Care Experience Preferences at End of Life Grouping (http://cts.nlm.nih.gov/fhir/ValueSet/2.16.840.1.113762.1.4.1115.11).