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Dentovio public answer
Periodontal maintenance is adjudicated on treatment history and plan frequency, and the published rules differ by payer.
Periodontal maintenance is adjudicated on treatment history and plan frequency, and the published rules differ by payer. Cigna's PERIO-20 allows it where there is a history of active periodontal therapy — D4210/D4211, D4240/D4241, D4260/D4261, or D4341/D4342 — or of a previously allowed maintenance visit, and states that plan frequency limitations may apply rather than publishing an interval. Aetna publishes no clinical policy bulletin on D4910 at all; its DMO plans cover it twice a year only with a history of periodontal surgery, with prior scaling and root planing qualifying since April 1, 2023, and a prophylaxis allowance otherwise. United Concordia's 2025 federal FEDVIP plan allows four combined cleanings a calendar year, five for members registered with a listed condition or pregnancy. Delta Dental Insurance expressly exempts maintenance from its 12-month periodontal-charting requirement, and MCNA's Texas children's program pays it once per 12 calendar months for ages 13 to 20 after active therapy.
Dentovio is an independent publisher — not a dental payer, the ADA, or any state dental board. These summaries describe the payers' published clinical-review and documentation criteria as addressed to dentists — what a reviewer looks for on a claim, never what a patient's plan pays. Individual plan contracts govern: every payer document here states that the member's plan documents control coverage, frequencies and exclusions where they conflict with the policy, and payers revise policy documents on their own schedules. Where a record's reach is narrower than the payer — one plan line, one federal program, one state Medicaid program — or where a figure comes from a plan-sponsor or federal-program document rather than the payer's own policy manual, the record says so. Educational billing reference only, not billing, legal, or clinical advice. CDT codes are referenced by number only; CDT is the American Dental Association's copyrighted code set and this page does not reproduce ADA descriptors.
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