This is the ValueSet that contains codes in both Medication Clinical Drug (http://cts.nlm.nih.gov/fhir/ValueSet/2.16.840.1.113762.1.4.1010.4) and RTPBC Prescribable Product Code Value Set (http://hl7.org/fhir/us/carin-rtpbc/ValueSet/rtpbc-prescribable-product-code).