D7949LeFort II or LeFort III - with Bone Graft

What This Code Covers

D7949 covers lefort ii or lefort iii - with bone graft. Bone is harvested or graft material is placed to augment the surgical site. This supports future implant placement or prosthetic rehabilitation.

Billing Guide

Bill this code when:

• The graft procedure described by D7949 is performed
• The graft material type and site match the code description
• Documentation includes the defect size, graft material, and surgical technique

Do not bill this code when:

• The graft type or material does not match this code
• The graft is included in another surgical code being billed at the same visit
• No actual graft material was placed
• The procedure is better described by D7939 (Indexing for osteotomy)

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.