D7940Osteoplasty - for Orthognathic Deformities

What This Code Covers

D7940 covers osteoplasty - for orthognathic deformities. This oral surgery procedure is performed to address pathology, trauma, or other conditions in the oral and maxillofacial region. Documentation should include the diagnosis, procedure details, and any specimens submitted.

Billing Guide

Bill this code when:

• The procedure described by D7940 is performed and documented
• The clinical indication supports the procedure
• Documentation meets the payer's requirements for the service

Do not bill this code when:

• A different procedure was actually performed
• The procedure is included in another code being billed at the same visit
• Documentation does not support the medical necessity of the procedure
• The procedure is better described by D7920 (Skin graft (identify defect covered, location and ...)

Insurance and Denial Prevention

Key Payer Rules:

• Surgical procedures may be covered under dental or medical insurance depending on the plan
• Impacted tooth extractions are often covered under both dental and medical plans
• Complex surgical procedures may require prior authorization
• Pathology-related procedures may be better covered under the medical benefit

Common Denials and How to Respond:

• Should be billed to medical - Some oral surgery codes are covered under medical rather than dental benefits. Check both plans.
• Not medically necessary - Submit operative notes, radiographs, and pathology reports to support the surgical indication.
• Complexity level disputed - Document the surgical approach, complications, and any bone removal or tooth sectioning performed.