All codes
Z498
Z498 – Follow up of abnormal colonoscopy - sigmoid to descending colon
OHIP Digestive System Surgical Procedures Code — DIGESTIVE SYSTEM SURGICAL PROCEDURES · Schedule of Benefits
Follow up of abnormal colonoscopy - sigmoid to descending colon. Payment rules:
• Z498 is eligible for payment for a colonoscopy rendered for the follow-up of a patient with a previous malignancy(ies) in accordance with current Ontario generally accepted post-polypectomy surveillance clinical practice guidelines. - Z498 is eligible for payment when rendered for follow up of polyps in accordance with current Ontario generally accepted post-polypectomy surveillance clinical practice guidelines. - Only one of Z491, Z492, Z493, Z494, Z495, Z496, Z497, Z498, Z499 or Z555 is eligible for payment per patient per day. - Z580 is not eligible for payment with Z498 same patient same day. Effective July 1, 2026, this listing was changed to align with updated ColonCancerCheck recommendations (INFOBulletin 260702); claims system updates were completed in August 2026 (INFOBulletin 260801).
Ready to bill this code?
SnapBill makes OHIP billing simple — auto-filled codes, validation, and batch submission.