D1353 is the CDT code for the repair of a previously placed dental sealant, billed per tooth. It is used when a sealant has partially failed, chipped, or lost retention in specific areas and the clinician repairs the defective portion. A full replacement of a completely absent sealant is coded as D1351, not D1353.
Get help with D1353 claims →Last updated June 2026 · Reviewed by the PracticeAlpha billing team
D1353 is the correct code when a previously placed sealant is still partially present but has failed in specific areas. The clinician repairs the defective portion, adds fresh sealant material to the compromised pits or fissures, and re-cures. The original sealant does not need to be fully removed and replaced.
Sealant integrity is typically evaluated at routine recall appointments. When partial loss is identified and repaired at the same visit as a prophylaxis or examination, D1353 can be billed for the repair. Confirm the patient's plan allows same-day billing for both services.
If the original sealant is completely gone and there is no remaining material on the tooth, the correct code is D1351 (new sealant, per tooth). D1353 presupposes that there was a prior sealant and that a repair, not a full replacement, is being performed.
If the patient record does not show a previously placed sealant on that tooth, the payer has no basis for a repair claim. Document the original sealant placement date in the patient record. If the original sealant was placed elsewhere, note that in the clinical notes.
Some plans apply the same frequency limits to D1353 as to D1351. If D1351 was already billed for that tooth within the plan's frequency window, D1353 may be denied as too frequent. Verify the plan's frequency rules before billing.
Not all plans list D1353 as a covered benefit. Some plans only cover new sealant placement under D1351. If D1353 is not covered, inform the patient before performing the repair.
Billing D1353 when the sealant was fully absent and a new one was placed is a coding error. The clinical note should describe the condition of the existing sealant to justify repair vs. replacement coding.
Confirm and document that the tooth had a previously placed sealant. Note the original placement date if available in the record.
Describe the state of the sealant at the time of repair: which areas are intact, which areas have failed or are missing, and the overall retention status.
Note that the defective area was addressed and sealant material was applied to the compromised pits or fissures. Specify the tooth number treated.
Confirm that no new carious lesions were identified at the repaired site. If caries is present, a different code may be more appropriate than a sealant repair.
Sealant and preventive claims getting denied? We review codes, attach documentation, and follow up with payers.
Learn about our billing servicesD1353 is the CDT code for sealant repair, billed per tooth. It applies when a previously placed sealant has partially failed and the clinician repairs the defective area rather than fully replacing the sealant.
D1351 is used for new sealant placement on a tooth with no prior sealant or a completely absent one. D1353 is for repairing a partially failed sealant that still has some intact material on the tooth.
Bill D1353 when a prior sealant is documented and only a partial repair is needed. If the sealant is completely gone and a full new placement is performed, D1351 is the correct code.
Common reasons: no prior sealant documented on the tooth, the plan applies D1351 frequency limits to D1353, the plan does not cover D1353 as a distinct benefit, or the coding does not match the clinical scenario.
Frequency rules vary. Some plans treat D1353 the same as D1351 for frequency purposes. Others allow more frequent repairs. Check the patient's specific plan before billing.
D1353 is not restricted to permanent teeth, but coverage varies widely. Many plans only cover sealant benefits on permanent posterior teeth. Verify benefits before treating primary teeth under this code.
Search all CDT codes in our dental coding guide.