Belgian Cancer Registry on FHIR
0.1.0 - ci-build Belgium flag

Belgian Cancer Registry on FHIR - Local Development build (v0.1.0) built by the FHIR (HL7® FHIR® Standard) Build Tools. See the Directory of published versions

CodeSystem: BCR Basis of Diagnosis (Experimental)

Official URL: https://www.ehealth.fgov.be/standards/fhir/registries/bcr/CodeSystem/bcr-basis-of-diagnosis Version: 0.1.0
Draft as of 2026-05-04 Computable Name: BCRBasisOfDiagnosis

Most reliable method by which a cancer diagnosis was established. Bijlage 55, footnote 2.

This Code system is referenced in the content logical definition of the following value sets:

This case-sensitive code system https://www.ehealth.fgov.be/standards/fhir/registries/bcr/CodeSystem/bcr-basis-of-diagnosis defines the following codes:

CodeDisplayDefinition
2 Histology of primary tumour Histologie primaire tumor.
3 Histology of metastasis Histologie metastase.
4 Cytology / haematology Cytologie / hematologie.
5 Technical investigation Technisch onderzoek (RX, endoscopie, …).
6 Clinical Klinisch.
7 Tumour marker Tumormerker (PSA, hCG, AFP, Ig, …).
8 Cytogenetic / molecular tests Cytogenetische en/of moleculaire testen.
9 Unknown Onbekend.