Diagnostic code
153 — Malignant Neoplasms: Large intestine-excluding rectum
153 is an OHIP diagnostic code used on Ontario Health Insurance Plan claims. Malignant Neoplasms: Large intestine-excluding rectum.
- Code
- 153
- Description
- Malignant Neoplasms: Large intestine-excluding rectum
Updated October 26, 2026
153 is the OHIP diagnostic code for cancer of the large intestine (colon), not including the rectum.
Conditions billed under this code
- Colon cancer
What it covers
The Ministry lists 153 as 'Malignant Neoplasms: Large intestine-excluding rectum' in the Neoplasms chapter.
Use it for colon cancer under treatment or follow-up.
Cancer of the rectum or anus is 154. Ontario has its own colon screening codes: 548 colon screening, 547 family history of colon cancer, 545 positive fecal occult blood test, 546 colon surveillance. A benign colon polyp is 211, carcinoma in situ of the digestive organs 230, and cancer that has spread 197 or 198.
Related codes: 154, 548, 547, 545, 546, 211
Sources
APEX flags claims whose diagnostic code does not fit the service billed before they come back rejected. See how APEX works · Pricing