D5650 is the CDT code for adding a replacement tooth to an existing removable partial denture. When a patient who already wears a partial loses another natural tooth, the existing framework can often be extended to carry a new denture tooth instead of making a whole new partial. It is reported per tooth added.
Last updated June 2026 · Reviewed by the PracticeAlpha billing team
Use D5650 when adding a replacement tooth to a partial denture the patient already wears. The typical trigger is a natural tooth that was still present when the partial was made, and which is later lost. Rather than fabricating a new partial, the existing framework is modified to carry a denture tooth in that space. The code is reported per tooth added.
Common clinical scenarios: A patient with a stable removable partial denture loses an additional abutment or natural tooth, and the partial can be extended into the new edentulous space. The framework is sound, the fit is acceptable, and adding the tooth restores function without the cost and time of a brand new prosthesis.
Do NOT use D5650 for: A brand new partial denture (use D5211 to D5214). Adding a clasp rather than a tooth (use D5660). A reline of the partial (use D5750 or D5751). Repairing a broken base or framework (use the relevant repair code in the D5610 to D5671 series).
Click any code to see the difference.
Adds a replacement denture tooth to an existing partial, per tooth. Used after a natural tooth is lost and the framework is extended into the new space.
Adds a retentive clasp to an existing partial, per tooth. Used to improve retention or engage an abutment that was not originally clasped. It adds a clasp, not a tooth.
Billing tip: The two codes describe different additions to the same kind of partial. D5650 is a tooth, D5660 is a clasp. If a visit involves both, document and report each addition separately with the specific tooth numbers.
The claim has to show which tooth is being added and why. Without the specific tooth number and the reason the space exists, the payer cannot tell what was done. Document the tooth being added, the partial it is added to, and the clinical reason the addition was needed.
Many plans tie additions to the age and frequency limits of the existing partial. If the partial is recent or the plan recently paid for prosthetic work, the addition can be denied on timing alone. Check the partial's history and the plan's limits before scheduling the work.
Payers sometimes expect a new partial instead of an addition. If the documentation does not show that the existing framework is sound and worth extending, the reviewer may conclude a new partial was the appropriate treatment. State clearly that the framework was reused and that an addition was the conservative choice.
The newly lost tooth needs a paper trail. If there is no narrative or extraction record explaining why the space opened up, the addition looks unsupported. Tie the addition to the loss of the natural tooth with a short narrative and the extraction date so the sequence is obvious.
Record the specific tooth number for the replacement tooth and confirm which partial it is being added to. Because D5650 is per tooth, the tooth numbers drive how the claim is reported.
Document the loss of the natural tooth that created the new edentulous space, including the extraction date where applicable. This ties the addition to a clear clinical event.
Note that the framework is sound and worth extending. Showing the partial was reused rather than replaced answers the most common payer question about why a new partial was not made.
A short narrative explaining why the addition was chosen over a new partial keeps the reviewer from guessing. Connect the lost tooth, the sound framework, and the addition in one place.
Confirm the existing partial and the patient's plan history clear any frequency or age limits before treatment. Record what you verified so the timing does not surprise you at adjudication.
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Learn about our billing servicesD5650 is the CDT code for adding a tooth to an existing partial denture. It is billed per tooth added and covers extending a current removable partial to carry a replacement tooth after a natural tooth that was still present is later lost.
D5650 adds a replacement denture tooth to an existing partial, per tooth. D5660 adds a retentive clasp to an existing partial, per tooth. One adds a tooth, the other adds a clasp. They describe different additions and can both apply to the same partial.
Use D5650 when the existing partial framework is sound and can be modified to carry the newly needed tooth. If the framework no longer fits or cannot be extended, a new partial in the D5211 to D5214 range is the correct path instead of an addition.
Common reasons: missing documentation of which tooth is being added and why, frequency or age limits on the existing partial, replacement versus repair confusion where the payer expects a new partial, and a missing narrative or extraction record for the newly lost tooth.
Yes. D5650 is reported per tooth added. If two teeth are added to the same partial, the code is reported for each tooth with the specific tooth numbers documented, rather than as a single flat addition.
No. D5650 covers adding the tooth itself. A reline is a separate procedure reported with D5750 or D5751. If the partial both gains a tooth and needs a reline, those are billed as separate procedures.
Search all 206 CDT codes in our dental coding guide.