Intersection of http://hl7.org/fhir/ValueSet/medication-codes and http://cts.nlm.nih.gov/fhir/ValueSet/2.16.840.1.113762.1.4.1010.4
This is the ValueSet that contains codes in both SNOMED CT Medication Codes (http://hl7.org/fhir/ValueSet/medication-codes) and Medication Clinical Drug (http://cts.nlm.nih.gov/fhir/ValueSet/2.16.840.1.113762.1.4.1010.4).