Union of http://hl7.org/fhir/ValueSet/route-codes and http://cts.nlm.nih.gov/fhir/ValueSet/2.16.840.1.113762.1.4.1267.22

This is the ValueSet that contains all the codes in SNOMED CT Route Codes (http://hl7.org/fhir/ValueSet/route-codes) and Route of Administration of Therapeutic Agents (http://cts.nlm.nih.gov/fhir/ValueSet/2.16.840.1.113762.1.4.1267.22). E.g. what you have to deal with if you get resources containing codes in either of them

CodeSystem

Generated Narrative: ValueSet a380d5da-c52d-4786-833c-61fb53f6d158-152

This value set includes codes based on the following rules: