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R646
R646 – Reconstruction mandible with bone grafts and/or plate or prosthesis - Bilateral - complete
OHIP Musculoskeletal System Surgical Procedures Code — MUSCULOSKELETAL SYSTEM SURGICAL PROCEDURES · Schedule of Benefits
Bilateral, complete reconstruction of the mandible with bone grafts and/or plate or prosthesis. As marked with an asterisk in the Schedule, this service includes harvesting and grafting of bone or cartilage grafts.
Assistant Fee:
The fee for a surgical assistant is calculated by adding 6 basic units to the time units for the duration of the assistance. Refer to - for detailed calculation rules.
Anaesthesia Fee:
The fee for anaesthesia is calculated by adding 15 basic units to the time units for the duration of the anaesthetic. Refer to - for detailed calculation rules.
If the procedure is performed by a Medical Trainee, the medical record must identify the Supervising Physician, the Medical Trainee and their level of training, a description of the service, patient consent for supervision, and be reviewed and signed by the Supervising Physician.
The note on page states: 'For Z253 to Z262, services described as harvesting and/or use of homogenous bone grafts may be claimed in addition. See page for the appropriate listing(s).' While this note is not directly attached to R646, the description for R646 includes an asterisk on 'bone grafts*', implying a similar rule applies.
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