D6120Implant/abutment Supported Interim Fixed Denture for Partially Edentulous Arch - Maxillary

What This Code Covers

D6120 covers implant/abutment supported interim fixed denture for partially edentulous arch - maxillary. A temporary abutment is placed to support a provisional restoration during the healing phase. It is replaced with a definitive abutment when the final prosthesis is fabricated.

Billing Guide

Bill this code when:

• The implant procedure described by D6120 is performed
• Documentation includes implant system, size, and placement details
• The specific prosthetic component and material match the code description

Do not bill this code when:

• The implant component or material type does not match this code
• The procedure is already included in another code being billed
• The prosthesis is removable when this code specifies fixed, or vice versa
• The procedure is better described by D6100 (Implant removal, by report)

Insurance and Denial Prevention

Key Payer Rules:

• Fixed prosthodontic procedures are typically covered as major services
• Implant coverage varies widely by plan. Many plans exclude implants entirely
• Material downgrades may apply (high noble to base metal)
• Prior authorization is commonly required for implant and bridge procedures

Common Denials and How to Respond:

• Implants not covered - Check if the medical plan covers implants when the dental plan does not. Submit a detailed treatment narrative.
• Material downgrade - Bill the actual material placed and inform the patient of any balance due to plan downgrades.
• Missing tooth clause - Some plans exclude replacement of teeth that were missing before the plan effective date. Verify plan terms.