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Z257
Z257 – Zygoma - unilateral
OHIP Musculoskeletal System Surgical Procedures Code — MUSCULOSKELETAL SYSTEM SURGICAL PROCEDURES · Schedule of Benefits
Z257 represents a unilateral onlay bone graft or alloplastic reconstruction to the zygoma (cheekbone), when this procedure is not performed as a component of a standard osteotomy for reconstruction. Alloplastic materials may include high density polyethylene, titanium mesh, resorbable mesh plus composites, calcium phosphate bone cements, and other materials as noted in the Schedule commentary. As per the note on page of the Schedule of Benefits, services for harvesting and/or use of homogenous bone grafts may be claimed in addition to Z257. Refer to page for appropriate listings.
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