What is OHIP billing code R334?

R334 is "Reconstruction mandible - partial", an OHIP Radiology code from the Ontario Schedule of Benefits (Physician Services).

How much does R334 pay?

The current OHIP fee for R334 is $409.55, effective 2025-04-01, per the Ontario Schedule of Benefits.

How do I bill R334 to OHIP?

R334 is submitted through OHIP's MCEDT claims system, either directly or via billing software. SnapBill validates R334 claims against the Schedule of Benefits rules before submission.

What codes are related to R334?

Codes related to R334 in the Schedule of Benefits include R335, R645, R646.

All codes

R334

R334 – Reconstruction mandible - partial

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

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Unilateral partial reconstruction of the mandible with bone grafts and/or plate or prosthesis. The asterisk () by 'bone grafts' in the Schedule may indicate that services for harvesting bone grafts may be claimed separately. This service is subject to the general rules for surgical procedures outlined in the Schedule of Benefits.

When to Use

Use R334 for unilateral partial mandibular reconstruction involving bone grafting, such as autologous bone harvest from the iliac crest or fibula.
Use R334 when performing unilateral mandibular reconstruction using rigid internal fixation plates or custom prostheses for segmental defects.
Select R334 for partial reconstruction cases; use R335 only when the reconstruction involves the entire mandible or bilateral segments.

Common Pitfalls

Do not bill R334 in conjunction with R645 or R646 for the same anatomical site, as this constitutes unbundling of the reconstruction procedure.
Avoid billing R334 if the procedure is limited to simple plate fixation without bone grafting or significant reconstruction, as this may be considered a lesser procedure.
Failure to document the specific type of graft or prosthesis used can lead to audit rejections, as the code specifically requires these components.

Billing Tips

Since the Schedule indicates an asterisk (*) for bone grafts, ensure you bill the bone graft harvesting procedure separately using the appropriate musculoskeletal harvesting codes to maximize the claim.
If the reconstruction is performed as part of a trauma case meeting the Injury Severity Score (ISS) criteria, ensure the ISS is clearly documented to support the E420 trauma premium.

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Provider Fee$409.55

Surgical Assistant Fee$75.06

Anaesthetist Fee$232.35

Non-Anaesthetist Fee$232.35

Effective: April 1, 2025

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