What is OHIP billing code Z239?

Z239 is "Application of dental arch bars or splint for facial osteotomy - one arch bar", an OHIP Psychiatric code from the Ontario Schedule of Benefits (Physician Services).

How much does Z239 pay?

The current OHIP fee for Z239 is $133.00, effective 2025-04-01, per the Ontario Schedule of Benefits.

How do I bill Z239 to OHIP?

Z239 is submitted through OHIP's MCEDT claims system, either directly or via billing software. SnapBill validates Z239 claims against the Schedule of Benefits rules before submission.

What codes are related to Z239?

Codes related to Z239 in the Schedule of Benefits include Z240, R354, R652.

All codes

Z239

Z239 – Application of dental arch bars or splint for facial osteotomy - one arch bar

OHIP Psychiatric Code — MUSCULOSKELETAL SYSTEM SURGICAL PROCEDURES · Schedule of Benefits

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This service is for the surgical application of a single dental arch bar or splint in the context of a facial osteotomy. The service is eligible for payment to the surgeon (suffix A), surgical assistant (suffix B), and anaesthesiologist (suffix C). The payment for the surgical assistant and anaesthesiologist is calculated based on time units plus base units. - **Surgical Assistant (Z239B):** 6 base units (:) - **Anaesthesiologist (Z239C):** 6 base units (:) Note: The service fee for Z239 is inclusive of harvesting and grafting of bone or cartilage grafts (:).

When to Use

Use Z239 when applying a single dental arch bar or splint specifically as a component of a facial osteotomy procedure.
Use this code for the surgical fixation of a single arch bar when the procedure is performed in a hospital setting, as it is inclusive of the surgical, assistant, and anaesthetic components.

Common Pitfalls

Do not bill separately for bone or cartilage harvesting/grafting, as these services are explicitly included in the Z239 fee.
Avoid billing Z239 for simple fracture fixation or dental splinting unrelated to a formal facial osteotomy, as this code is specific to the osteotomy context.
Ensure the surgical assistant (Z239B) and anaesthesiologist (Z239C) do not bill additional base units beyond the specified 6, as these are fixed by the Schedule of Benefits.

Billing Tips

When billing for the surgical assistant (Z239B) or anaesthesiologist (Z239C), ensure the claim reflects the correct time units in addition to the 6 base units to ensure accurate payment.
If the procedure qualifies as an emergency or occurs after hours, ensure the appropriate premium (e.g., E400B/C or E401B/C) is applied to the total fee, rather than attempting to unbundle the service components.

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Provider Fee$133.00

Surgical Assistant Fee$75.06

Anaesthetist Fee$92.94

Non-Anaesthetist Fee$92.94

Effective: April 1, 2025

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