This is the CodeSystem that contains all the codes in MedicationRequest Course of Therapy Codes (http://terminology.hl7.org/CodeSystem/medicationrequest-course-of-therapy) and MedicationRequest Course of Therapy Codes (http://terminology.hl7.org/CodeSystem/medicationrequest-course-of-therapy). E.g. what you have to deal with if you get resources containing codes in either of them
Generated Narrative: CodeSystem 9b7a2ee7-3d5f-42a4-ac9a-425ca454cf11-590
This code system http://hl7.org/fhir/comparison/CodeSystem/9b7a2ee7-3d5f-42a4-ac9a-425ca454cf11-590 defines codes, but no codes are represented here