Retainer Inlay Porcelain/Ceramic - CDT Code Guide
Overview
CDT Code D6601 refers to the procedure of placing a retainer inlay made of porcelain or ceramic material, covering three surfaces or more. This procedure is typically part of a fixed partial denture and is used to restore the function and aesthetics of a tooth that serves as an abutment for a dental bridge. The inlay is custom-made to fit the prepared cavity of the tooth, providing a durable and aesthetically pleasing restoration. This code is applicable in scenarios where the tooth structure is insufficient to support a crown but requires reinforcement to support a bridge. Dental professionals often choose porcelain or ceramic materials for their natural appearance and biocompatibility, making them ideal for visible areas of the mouth.
When to Use This Code
- When a tooth requires restoration as part of a fixed partial denture and involves three or more surfaces.
- In cases where the tooth structure is insufficient for a crown but needs reinforcement for a bridge.
- When the patient desires a natural-looking restoration in a visible area of the mouth.
- For patients with allergies to metal restorations, requiring a ceramic alternative.
- When a minimally invasive approach is preferred to preserve more of the natural tooth structure.
Documentation Requirements
- Detailed chart notes describing the tooth preparation and surfaces involved.
- Pre-operative and post-operative radiographs to support the necessity of the inlay.
- A clear description of the material used (porcelain/ceramic) in the patient's record.
- Documentation of the patient's consent for the procedure and material choice.
- Clinical photos, if applicable, to demonstrate the need for the restoration.
- A narrative explaining the choice of an inlay over other restorative options.
Billing Considerations
When billing for D6601, ensure that the procedure is not performed more frequently than allowed by the patient's insurance plan. Common modifiers may include those indicating the specific tooth number. It's important to verify coverage for porcelain/ceramic materials, as some insurance plans may have restrictions or require prior authorization. Coordination with the patient's insurance provider can help avoid unexpected out-of-pocket expenses.
Related CDT Codes
Frequently Asked Questions
An inlay fits within the cusps of the tooth, while an onlay covers one or more cusps or the entire biting surface.
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