R978 – Circular external fixation with osteotomy
OHIP Radiology Code — MUSCULOSKELETAL SYSTEM SURGICAL PROCEDURES · Schedule of Benefits
Circular external fixation with osteotomy is a surgical procedure for foot and ankle deformity. The asterisk (*) in the title refers to the following note: 'This requires the application of tibial apparatus'. As with all surgical procedures, this service is subject to the general rules outlined in the Schedule of Benefits, including the inclusion of common elements as described in and .
When to Use
- Use R978 specifically when performing a formal osteotomy in conjunction with the application of a circular external fixation device on the tibia.
- Select R978 for complex foot and ankle deformity corrections where the circular frame is utilized as the primary stabilization method following the osteotomy.
Common Pitfalls
- Failure to document the application of the tibial apparatus will lead to rejection, as the code explicitly mandates this component per the asterisk note.
- Billing R978 for simple external fixation without an associated osteotomy is an audit risk; ensure the operative report clearly describes the bone cut.
- Attempting to bill R978 alongside other fixation codes (e.g., R977 or R979) without clear evidence of separate, distinct procedures will trigger billing edits.
Billing Tips
- Ensure the operative report explicitly details the tibial apparatus application to satisfy the specific requirement noted in the Schedule of Benefits for this code.
- If the procedure is performed on an emergency basis, ensure the non-elective status is clearly documented to support the use of after-hours premiums like E409 or E410.
Effective: April 1, 2025
N. Musculoskeletal System Surgical Procedures
MUSCULOSKELETAL SYSTEM SURGICAL PROCEDURES
Surgical
Musculoskeletal System Surgical Procedures
* This requires the application of tibial apparatus.
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