What is OHIP billing code R321?

R321 is "Phalanx, metacarpal", an OHIP Musculoskeletal System Surgical Procedures code from the Ontario Schedule of Benefits (Physician Services).

How much does R321 pay?

The current OHIP fee for R321 is $392.90, effective 2026-04-01, per the Ontario Schedule of Benefits.

How do I bill R321 to OHIP?

R321 is submitted through OHIP's MCEDT claims system, either directly or via billing software. SnapBill validates R321 claims against the Schedule of Benefits rules before submission.

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R321

R321 – Phalanx, metacarpal

OHIP Musculoskeletal System Surgical Procedures Code — MUSCULOSKELETAL SYSTEM SURGICAL PROCEDURES · Schedule of Benefits

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R321 is a surgical procedure listed under the Musculoskeletal System Surgical Procedures section. It is eligible for payment to the surgeon (suffix A), surgical assistant (suffix B), and anaesthetist (suffix C). The surgeon's fee is a set amount. The fees for the surgical assistant and anaesthetist are calculated based on a unit system combining base units and time units, as detailed in the General Preamble (- for assistants, - for anaesthetists). Payment for a second assistant requires authorization by a medical consultant as it is not on the pre-approved list ().

The fee for a surgical assistant (suffix B) is calculated based on basic units plus time units. The number of basic units is listed in the 'Asst' column of the Schedule. Time units accrue for each 15-minute interval of service. For detailed calculation rules, see pages - of the General Preamble.

The fee for an anaesthetist (suffix C) is calculated based on basic units plus time units. The number of basic units is listed in the 'Anae' column of the Schedule. Time units accrue for each 15-minute interval of service. For detailed calculation rules and applicable extra units, see pages - of the General Preamble.

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