Question 1

What is OHIP billing code S521?

Accepted Answer

S521 is "Litholapaxy and removal of fragments", an OHIP Urogenital and Urinary Surgical Procedures code from the Ontario Schedule of Benefits (Physician Services).

Question 2

How much does S521 pay?

Accepted Answer

The current OHIP fee for S521 is $231.35, effective 2026-04-01, per the Ontario Schedule of Benefits.

Question 3

How do I bill S521 to OHIP?

Accepted Answer

S521 is submitted through OHIP's MCEDT claims system, either directly or via billing software. SnapBill validates S521 claims against the Schedule of Benefits rules before submission.

Question 4

What codes are related to S521?

Accepted Answer

Codes related to S521 in the Schedule of Benefits include E792.

S521 – Litholapaxy and removal of fragments

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