## Union 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 all the codes in 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). E.g. what you have to deal with if you get resources containing codes in either of them

### CodeSystem

Generated Narrative: ValueSet cc41cf57-eb65-4a95-8e3d-e65ef36405d1-170

This value set includes codes based on the following rules:

- Include codes from`http://snomed.info/sct` version Not Stated (use latest from terminology server) where concept is-a 410942007 (Drug or medicament (substance))
- Include codes from`http://snomed.info/sct` version Not Stated (use latest from terminology server) where concept is-a 373873005 (Pharmaceutical / biologic product (product))
- Include codes from`http://snomed.info/sct` version Not Stated (use latest from terminology server) where concept is-a 106181007 (Immunologic substance)
- Import all the codes that are contained in Medication Clinical Brand specific Drug
- Import all the codes that are contained in Medication Clinical General Drug