D3473Surgical Repair of Root Resorption - Molar

What This Code Covers

D3473 covers surgical repair of root resorption - molar. The surgeon accesses the area of root resorption and repairs the defect to preserve the tooth. The specific code depends on the tooth location (anterior, premolar, or molar).

Billing Guide

Bill this code when:

• The repair described by D3473 is performed on an existing restoration or prosthesis
• The existing device is still serviceable after the repair
• Documentation describes the defect and repair method

Do not bill this code when:

• A new restoration or prosthesis is fabricated instead of repairing the existing one
• The device type does not match this code description
• The repair is included in another code being billed at the same visit
• The procedure is better described by D3460 (Endodontic endosseous implant)

Insurance and Denial Prevention

Key Payer Rules:

• Endodontic treatment is typically covered at 50-80% as a major service
• Some payers require pre-operative radiographs for approval
• Retreatment codes have different fee schedules than initial treatment
• Surgical endodontic procedures may require prior authorization

Common Denials and How to Respond:

• Not medically necessary - Submit radiographs showing the pathology and document the diagnosis and treatment rationale.
• Should be extraction - Provide documentation of why the tooth is restorable and worth saving.
• Bundled with final root canal - If this is an interim procedure, document separate dates of service and the clinical reason for staged treatment.