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