This is the CodeSystem that contains all the codes in MedicationRequest Category Codes (http://terminology.hl7.org/CodeSystem/medicationrequest-category) and MedicationRequest Category Codes (http://terminology.hl7.org/CodeSystem/medicationrequest-category). E.g. what you have to deal with if you get resources containing codes in either of them
Generated Narrative: CodeSystem 8f4cb24f-6ed6-40dc-8ea3-5def435c64b4-665
This code system http://hl7.org/fhir/comparison/CodeSystem/8f4cb24f-6ed6-40dc-8ea3-5def435c64b4-665 defines codes, but no codes are represented here