This is the CodeSystem that contains codes in both BeCSAnnex81StatusReason (https://www.ehealth.fgov.be/standards/fhir/drp/CodeSystem/be-cs-annex81-status-reason) and BeCSAnnex81StatusReason (https://www.ehealth.fgov.be/standards/fhir/drp/CodeSystem/be-cs-annex81-status-reason).