D6073Abutment Supported Retainer for Cast Metal FPD (Predominantly Base Metal)

What This Code Covers

D6073 covers abutment supported retainer for cast metal fpd (predominantly base metal). The retainer is fabricated to fit over an implant abutment and serves as an anchor for a fixed partial denture. Material type determines the specific code.

Billing Guide

Bill this code when:

• The specific abutment supported retainer for cast metal fpd (predominantly base metal) is fabricated and delivered as part of a fixed partial denture
• The material and metal type match the code description
• The fixed partial denture is documented with abutment and pontic tooth numbers

Do not bill this code when:

• The material or metal alloy does not match this code
• The prosthesis is implant-supported. Use the appropriate implant prosthetic code
• A single crown rather than a bridge component is being placed
• The procedure is better described by D6055 (Dental implant supported connecting bar)

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.