The basis of how a PATIENT DIAGNOSIS relating to cancer was identified.
National Codes:
| Non-microscopic | |
| 0 | Death Certificate: The only information available is from a death certificate |
| 1 | Clinical: Diagnosis made before death but without the benefit of any of the following (2-7) |
| 2 | Clinical Investigation: Includes all diagnostic techniques (e.g. X-rays, Endoscopy, imaging, Ultrasound Scan, exploratory surgery and autopsy) without a TISSUE diagnosis |
| 4 | Specific Tumour markers: Includes biochemical and/or immunological markers which are specific for a Tumour site |
| Microscopic | |
| 5 | Cytology: Examination of CELLS whether from a primary or secondary site, including fluids aspirated using endoscopes or needles. Also including microscopic examination of peripheral blood films and trephine bone marrow aspirates |
| 6 | Histology of a metastasis: Histological examination of TISSUES from a metastasis, including autopsy specimens |
| 7 | Histology of a primary Tumour: Histological examination of TISSUE from the primary Tumour, however obtained, including all cutting and bone marrow Biopsies. Also includes autopsy specimens of a primary Tumour |
| 9 | Unknown: No information on how the diagnosis has been made (e.g. Patient Administration System (PAS) /Hospital Information Support System (HISS) record only) |
This attribute is also known by these names:
| Context | Alias |
|---|---|
| formerly | BASIS OF DIAGNOSIS |
| plural | BASES OF DIAGNOSIS FOR CANCER |
