What should the D1110 chart note include?
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Adult prophylaxis. RMH: Medical history reviewed/updates BP: BP/Pulse Prophy code support: Adult/child code supported by dentition/plan age rules Disease status: Preventive procedure; localized/mild gingivitis only or healthy/supportive periodontal status Implants cleaned: Implants/restorations cleaned if present Plaque/calculus/stain amount: Amount and areas Periodontal Assessment: Gingival condition: Gingival condition Probing depths: Probing depths/periodontal chart reference. Bleeding on probing: Bleeding on probing Plaque score: Plaque score Calculus: Calculus Prophylaxis Procedure: Ultrasonic scaling. Hand scaling. Polishing with prophy paste. Flossing. Areas of concern: Areas of concern OHI: Instructions reviewed. Brushing technique reviewed. Flossing technique reviewed. Recommended products: Recommended products Fluoride: Fluoride product Radiographs: Radiographs taken/reviewed and findings Doctor exam: Provider/exam findings. Findings discussed: Findings reviewed with patient/guardian. Treatment recommended: Treatment recommended Complications: None or describe. Patient tolerance: Tolerance/response. NV: Next visit
What documentation is required for D1110?
Because D1110 is preventive, the chart needs to prove the periodontal status that justifies a preventive (not therapeutic) code — not just that a cleaning happened. A defensible note includes:
- Medical history review and update — meds, conditions, allergies, recent hospitalizations or surgeries. State what changed; "no changes" is acceptable but should be written rather than omitted.
- Vitals — BP and pulse. Required by many state boards and most sedation-capable practices on every adult visit.
- Periodontal status that supports the preventive code — explicitly: healthy, supportive, or localized/mild gingivitis only with no bone loss and no attachment loss. This single line is what separates a defensible D1110 from a misreported D4346 or D4910.
- Periodontal screening or charting — probing depths (or PSR), bleeding on probing distribution (localized vs generalized; specific sites or BOP %), recession, mobility, furcation. BOP >30% with generalized inflammation triggers a D4346 consideration; this note has to make clear you didn't meet that threshold.
- Plaque and calculus distribution and amount — supragingival vs subgingival; light/moderate/heavy; localized sites. This is the patient-specific risk anchor that carriers and auditors look for.
- Dentition statement supporting D1110 vs D1120 — note adult/permanent dentition (or transitional with all permanent teeth erupted). When a patient is plan-age "child" but clinically adult dentition, document the dentition rationale and submit a narrative.
- Implants and implant-borne restorations — if present, document that they were cleaned and the peri-implant tissue findings (healthy vs mucositis vs peri-implantitis). The CDT 2021 descriptor explicitly includes implants under D1110.
- Procedure performed — ultrasonic scaling, hand scaling, polishing (selective vs full-mouth), flossing. The four-line procedural recap in the body is the minimum.
- Oral hygiene instruction — patient-specific: which technique, which sites, which products. Generic boilerplate ("OHI given") is a known audit-flag pattern.
- Fluoride — if applied, document varnish (D1206) vs other-delivery topical (D1208) — these are not interchangeable, and D1208 is excluded from many adult plans. Adult fluoride is most defensible when paired with a documented caries-risk rationale (root caries, xerostomia, head/neck radiation, high decay rate).
- Radiographs reviewed — interpretation only; the films themselves are billed under their own codes.
- Doctor evaluation findings — when the dentist's exam is the same date, it is billed separately as D0120 (or D0150 / D0180 by scope). The dentist's findings line in the prophy note documents that the eval happened; the eval itself is its own note.
- Findings reviewed with patient and any treatment recommendations.
- Complications — explicitly noted, even if "none."
- Patient tolerance / response.
- Next visit — recall interval and what's planned.
The "amnesia test" applies: a third party reading the note must be able to reconstruct what was scaled, what the periodontal status was, and why this was D1110 and not D4346 or D4910. Default-normal autotext (every patient with the same gingival findings) is a known recoupment pattern in Medicaid OIG audits.
Why does D1110 get denied?
The most common reasons D1110 is denied, downgraded, or recouped:
- Frequency exceeded — third cleaning in 12 months without documented caries-risk or pregnancy rationale; or visit booked 1–2 days short of the carrier's strict 6-month rule.
- Combined-frequency violation — a mid-year D4346 or D4910 used the second cleaning slot already.
- D1110 billed on a perio patient — chart history shows D4341/D4342 or D4910 within the carrier's lookback, and the carrier expects D4910 indefinitely. Reverting to D1110 on a perio-treated patient is a common Delta and Cigna downgrade.
- D1110 same-day as D4346 or SRP — the D4346 descriptor explicitly disallows same-day D1110 / D4341 / D4342 / D4355. Submitting both on the same DOS results in one being denied or bundled.
- Bone loss / pocketing on the chart — radiographs and probing depths in the chart show generalized moderate-severe periodontitis, but the cleaning was billed as D1110. Carrier downgrades or recoups; auditors flag as upcoding-by-omission.
- Generalized moderate-severe gingival inflammation, no bone loss — the correct code was D4346, not D1110. Some carriers will downgrade D1110 to a non-covered status if the chart documents BOP >30% with generalized inflammation.
- Adult code billed on plan-age "child" patient — when the patient is under the plan's adult age but has full permanent dentition, the carrier may auto-process as D1120 unless a narrative explains the dentition rationale.
- Implant-only "prophy" on an edentulous patient with implant-supported prosthesis — some carriers question D1110 when there are no remaining natural teeth, since 2021 descriptor language allows it but plan documents may require a different implant-maintenance code.
- Default-normal templating — every D1110 chart note in the practice reads identically, with the same gingival findings and the same "moderate generalized calculus." State Medicaid OIG audits cite this pattern routinely.
- No documentation of periodontal status — the prophy note doesn't state probing depths, BOP, or gingival condition; auditors can't tell whether D1110 or D4346 was correct, and recoup the lower-supported code.
- Missing fluoride documentation when fluoride was billed alongside — D1206 vs D1208 confused or unsupported; the prophy claim is paid but the fluoride is denied.
What do practices ask about D1110?
How often can D1110 be billed?+
Most plans cover D1110 twice per benefit year, typically 6 months apart. Many plans share that frequency with D1120, D4346, and (on some plans) D4910. A growing number of carriers and Medicaid programs allow a third (and sometimes fourth) prophy per year for documented high-caries-risk patients, pregnant patients, or patients with systemic risk factors like diabetes or head/neck radiation — some auto-approve up to the cap, others require a brief narrative. Always verify the patient's specific plan; carriers measure to the day and will deny visits booked 1–2 days short of 6 months.
What's the difference between D1110 and D4910?+
D1110 is preventive; D4910 is periodontal maintenance after completed periodontal therapy (SRP or perio surgery). D4910 is determined by the patient's history of perio treatment, not by today's tissue health. Once a patient enters periodontal maintenance, most carriers expect D4910 indefinitely — even when the tissue looks healthy at recall. On many Delta Dental plans this is a permanent status: once the claim history shows D4910, future D1110 submissions on that patient are denied or downgraded. Some plans alternate D4910 and D1110 on perio-stable patients. The plan-specific rule lives in the member certificate; pull the carrier's claim history before assuming a perio-graduated patient is okay for D1110.
What's the difference between D1110 and D4346?+
D1110 is preventive — appropriate for healthy patients or patients with localized/mild gingivitis. D4346 (scaling in the presence of generalized moderate or severe gingival inflammation) is therapeutic — reserved for patients with generalized BOP >30% and moderate-to-severe inflammation by Loe-Silness Gingival Index, in the absence of bone loss. D4346 is not a "difficult prophy" defined by chair time; it's a code for a specific disease state. The D4346 descriptor explicitly disallows billing D1110, D4341, D4342, or D4355 on the same date of service.
Can D1110 be billed same-day as the dentist's exam?+
Yes. The dentist's evaluation (D0120 periodic, D0150 comprehensive, or D0180 comprehensive periodontal) is a separate code and is routinely billed alongside D1110 on the same date. Radiographs (D0210 / D0272 / D0274 / D0220 / D0230) and topical fluoride (D1206 or D1208) are also separate and routinely paired same-day. ADA bundling guidance is explicit: prophy, exam, and radiographs are not bundled into each other.
Can D1110 be billed for a patient who has implants?+
Yes. The CDT 2021 revision explicitly added implants to the D1110 descriptor — "removal of plaque, calculus, and stains from the tooth structures and implants in the permanent and transitional dentition." The same prophy visit covers natural tooth structures and the implant abutments and restorations. Document peri-implant tissue findings (healthy / mucositis / peri-implantitis) separately. For a fully edentulous patient with only implant-supported prostheses, some carriers ask for a different implant-maintenance code; verify the plan document.
Why was my D1110 denied or downgraded?+
Most common causes: (1) frequency exceeded — a mid-year D4346 or D4910 used the second cleaning slot, or the visit was 1–2 days short of the carrier's 6-month rule; (2) the patient's claim history shows D4910 and the carrier expects D4910 indefinitely; (3) the chart documents bone loss or 5+ mm pockets, and the carrier downgrades or recoups on the theory that SRP should have been performed first; (4) the chart documents generalized BOP >30% and the correct code was D4346; (5) D1110 was billed same-day as D4346, which the descriptor disallows. Pulling the carrier's history of cleanings on file usually identifies which is the cause.
Can a 13-year-old with all permanent teeth get D1110, or do I have to bill D1120?+
ADA defines the split between D1110 and D1120 by dentition, not chronological age. A 13-year-old with all permanent teeth erupted is D1110 — even when the plan's "adult" age starts at 14 or older. Submit a brief narrative explaining the dentition rationale; some carriers auto-process by patient age and will pay at the D1120 fee schedule if no narrative accompanies the claim.
Does D1110 include fluoride?+
No. Fluoride is billed separately — D1206 (fluoride varnish) or D1208 (other-delivery topical fluoride). The two are not interchangeable, and D1208 is excluded from many adult plans entirely. Adult fluoride is most reimbursable when paired with a documented caries-risk rationale (root caries, xerostomia, head/neck radiation, high decay rate). Document the product, concentration, and indication to support the claim.