This is the CodeSystem that contains all the codes in Contract Type Codes (http://terminology.hl7.org/CodeSystem/contract-type) and Contract Type Codes (http://terminology.hl7.org/CodeSystem/contract-type). E.g. what you have to deal with if you get resources containing codes in either of them
Generated Narrative: CodeSystem ca90e020-d879-4f3a-a3ce-376166f99d8f-257
This code system http://hl7.org/fhir/comparison/CodeSystem/ca90e020-d879-4f3a-a3ce-376166f99d8f-257 defines codes, but no codes are represented here