This is the CodeSystem that contains all the codes in Example Diagnosis Related Group Codes (http://terminology.hl7.org/CodeSystem/ex-diagnosisrelatedgroup) and Example Diagnosis Related Group Codes (http://terminology.hl7.org/CodeSystem/ex-diagnosisrelatedgroup). E.g. what you have to deal with if you get resources containing codes in either of them
Generated Narrative: CodeSystem c51c7c25-f5f4-429e-b1c8-849e59890f2d-947
This code system http://hl7.org/fhir/comparison/CodeSystem/c51c7c25-f5f4-429e-b1c8-849e59890f2d-947 defines codes, but no codes are represented here