This is the ValueSet that contains all the codes in SNOMED CT Route Codes (http://hl7.org/fhir/ValueSet/route-codes) and Medicine EDQM Route of Administration - IPS (http://hl7.org/fhir/uv/ips/ValueSet/medicine-route-of-administration). E.g. what you have to deal with if you get resources containing codes in either of them