Question 1

What is OHIP billing code Z550?

Accepted Answer

Z550 is "Dilation of anal sphincter", an OHIP Digestive System Surgical Procedures code from the Ontario Schedule of Benefits (Physician Services).

Question 2

How much does Z550 pay?

Accepted Answer

The current OHIP fee for Z550 is $13.70, effective 2026-04-01, per the Ontario Schedule of Benefits.

Question 3

How do I bill Z550 to OHIP?

Accepted Answer

Z550 is submitted through OHIP's MCEDT claims system, either directly or via billing software. SnapBill validates Z550 claims against the Schedule of Benefits rules before submission.

Question 4

What codes are related to Z550?

Accepted Answer

Codes related to Z550 in the Schedule of Benefits include S248.

Z550 – Dilation of anal sphincter

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