Retainer Inlay Cast Base Metal - CDT Code Guide
Overview
CDT Code D6604 refers to a dental procedure involving the creation and placement of a retainer inlay cast predominantly from base metal, covering two surfaces. This procedure is commonly part of fixed prosthodontics, specifically within the category of fixed partial denture retainers inlays/onlays. The process typically involves taking an impression of the prepared tooth, crafting a custom inlay in a dental laboratory, and then cementing it into place. This type of inlay is often used when a tooth requires restoration but does not need a full crown, offering a durable solution that restores function and aesthetics. It is particularly useful in cases where the tooth structure is compromised but sufficient to support an inlay.
When to Use This Code
- When a tooth requires restoration of two surfaces but does not need a full crown.
- In cases where the tooth structure is compromised but can support an inlay.
- When a patient prefers a cost-effective alternative to gold or porcelain inlays.
- For patients with metal allergies, alternative materials should be considered.
- When a fixed partial denture requires a retainer inlay for stability.
Documentation Requirements
- Detailed patient records including diagnosis and treatment plan.
- Clinical notes describing the tooth preparation and impression process.
- Laboratory prescription and communication records.
- Patient consent forms acknowledging the use of base metal materials.
- Post-operative notes detailing the fit and cementation of the inlay.
Billing Considerations
Ensure that the procedure is not performed more frequently than allowed by the patient's insurance plan. Common modifiers may include those indicating the number of surfaces involved. Verify with the insurance provider if base metal inlays are covered under the patient's plan, as some plans may have restrictions or require pre-authorization.
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Frequently Asked Questions
The inlay is cast predominantly from base metal, which is durable and cost-effective.
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