This is the CodeSystem that contains codes in both Claim Norm Code (https://www.ehealth.fgov.be/standards/fhir/nihdi-terminology/CodeSystem/be-cs-claim-norm-code) and Claim Norm Code (https://www.ehealth.fgov.be/standards/fhir/nihdi-terminology/CodeSystem/be-cs-claim-norm-code).