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June 3, 2025

Understanding Dental Code D3501 – Surgical exposure of root surface without apicoectomy or repair of root resorption – anterior

Learn when and how to use D3501 dental code for surgical exposure of root surfaces in anterior teeth, with practical billing tips and documentation guidance for dental teams.

Understanding Dental Code D3501

When to Use D3501 dental code

The D3501 dental code is designated for the surgical exposure of root surface without apicoectomy or repair of root resorption – anterior. This code is specifically used when a dentist or oral surgeon surgically exposes the root surface of an anterior tooth, but does not perform an apicoectomy (removal of the root tip) or repair root resorption. Common indications include facilitating access for endodontic procedures, removing obstructions, or preparing the area for further restorative or periodontal treatment. It is crucial to use D3501 only when the procedure matches these criteria and does not overlap with codes for apicoectomy (anterior apicoectomy) or root resorption repair (root resorption repair).

Documentation and Clinical Scenarios

Accurate documentation is essential for successful billing and claim approval. The clinical notes should clearly describe:

  • The specific tooth or teeth involved (using the appropriate tooth number).
  • The reason for surgical exposure (e.g., access for endodontic retreatment, removal of a fractured instrument, or preparation for further treatment).
  • Details of the procedure, including anesthesia, flap design, and any findings upon exposure.
  • Confirmation that no apicoectomy or root resorption repair was performed.

Example clinical scenario: A patient presents with a previously treated anterior tooth requiring retreatment due to persistent infection. The dentist surgically exposes the root surface to gain access for retreatment but does not remove the root tip or repair resorption. This is a textbook case for D3501.

Insurance Billing Tips

To maximize reimbursement and minimize claim denials for D3501, follow these best practices:

  • Insurance Verification: Before treatment, verify the patient’s benefits for surgical endodontic procedures. Some plans may require pre-authorization for D3501.
  • Detailed Claim Submission: Attach comprehensive clinical notes, radiographs, and intraoral photos to support the necessity of the procedure. Clearly state that no apicoectomy or root resorption repair was performed.
  • Use Correct CDT Code: Double-check that D3501 is the most appropriate code. If the procedure involved apicoectomy or root resorption repair, use the correct alternative code.
  • Monitor EOBs: Review Explanation of Benefits (EOBs) promptly. If denied, check for missing documentation or coding errors, and submit a claim appeal with additional supporting information if needed.
  • Accounts Receivable (AR) Follow-Up: Track outstanding claims and follow up with insurers to resolve delays or denials efficiently.

Example Case for D3501

Case: A 34-year-old patient presents with a history of trauma to tooth #8. Radiographs reveal a periapical lesion, but the root tip is intact and no resorption is present. The dentist surgically reflects a flap to expose the root surface, removes granulation tissue, and irrigates the area. No apicoectomy or resorption repair is performed. The procedure is documented in detail, and D3501 is billed with supporting radiographs and clinical notes. The claim is approved, and reimbursement is received without delay.

This example highlights the importance of precise coding, thorough documentation, and proactive insurance communication when billing for D3501.

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FAQs

Is D3501 dental code applicable to posterior teeth or only anterior teeth?
What are common reasons for insurance denial of claims using D3501?
Can D3501 be billed in conjunction with other surgical codes during the same visit?

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