D4265Biologic Materials to Aid in Soft and Osseous Tissue Regeneration

What This Code Covers

D4265 covers the application of biologic materials (such as enamel matrix derivatives, platelet-rich fibrin, growth factors, or other biologics) to aid in soft tissue and osseous (bone) tissue regeneration during periodontal surgery. These materials enhance the body's natural healing response and promote regeneration of periodontal tissues including bone, cementum, and periodontal ligament. This code is billed in addition to the surgical code.

Billing Guide

Bill this code when:

• Biologic regenerative materials are applied during periodontal surgery
• Materials such as enamel matrix derivative (Emdogain), PRP/PRF, or recombinant growth factors are used
• The material is applied to promote tissue regeneration, not just to fill a defect
• The procedure is performed as an adjunct to osseous surgery or flap procedures

Do not bill this code when:

• Bone graft material is placed without biologic agents. Use D4263 for bone grafts
• A barrier membrane is placed. Use D4266 for guided tissue regeneration
• The material is a routine hemostatic agent or wound dressing
• No periodontal surgery is performed alongside the biologic material application

Insurance and Denial Prevention

Key Payer Rules:

• Coverage for biologic materials varies significantly by payer
• Many dental plans exclude biologic regenerative materials as experimental or not covered
• D4265 is billed per quadrant as an adjunct to the surgical code
• Documentation of the specific material and clinical rationale is essential

Common Denials and How to Respond:

• Not a covered benefit - Many plans do not cover biologics. Verify coverage before treatment. If denied, appeal with peer-reviewed literature supporting the material for the specific defect type.
• Experimental or investigational - Provide documentation showing FDA approval or clearance of the specific biologic material and supporting clinical evidence.
• Bundled with surgery - D4265 is a separate procedure covering the biologic material. Appeal with documentation showing it is an additional regenerative step beyond standard surgery.