LANAP — Laser-Assisted New Attachment Procedure Template

LANAP (Laser Assisted New Attachment Procedure).

RMH: Medical history reviewed/updates
Vitals: BP/pulse; other vitals if indicated

Quadrant: Quadrant
Teeth treated: Teeth treated
Pre-op probing depths: Pre-op probing depths

LANAP support: Periodontal diagnosis/stage/grade and teeth/quadrants treated
Disease documentation: Probing depths, BOP/CAL, recession/furcation/mobility, radiographic bone loss
Laser details: Laser type/settings/passes if recorded

Consent: Consent/PARQ reviewed; signed/verbally obtained

Anesthesia: Anesthetic used
Carps: Carpules/amount

Procedure:
Nd:YAG laser used.
Diseased epithelium removed.
Calculus removed ultrasonically.
Root surfaces debrided.
Laser used to create fibrin clot.
Tissue compressed against root.
Occlusion adjusted.

Complications: None or describe.

Patient tolerance: Tolerance/response.

Post-op instructions: Instructions reviewed.
Soft diet for 2 weeks.
No brushing treated area for 2 weeks.
Salt water rinses only.
Avoid chewing on treated side.
Rx: Prescription or none

NV: Next visit

Documentation requirements

LANAP carries an unusually high documentation bar because (a) the procedure has no native CDT code, (b) carriers actively look for it on claims, and (c) at least one state board has fined a clinician for billing LANAP under a code that does not match the procedure performed. The chart-note must read like a traditional perio-surgical note plus the laser-specific elements that prove the LANAP protocol was actually delivered:

• Medical history reviewed and updated — diabetes / HbA1c, smoking pack-years, anticoagulants (LANAP is often selected because the patient is on anticoagulants — note that explicitly), bisphosphonates, immunosuppressants, pregnancy. Photosensitizing medications and active oral malignancy are relative contraindications and should be screened.
• Pre- and post-op vital signs — BP and pulse minimum. Match the standard surgical-perio expectation.
• Treatment consent / PARQ — LANAP-specific risks discussed: post-op tooth sensitivity, transient mobility during healing, possibility of needing additional/alternative therapy if non-responsive, the patented nature of the protocol, and the alternative of conventional flap/osseous surgery (D4240/D4260) and no treatment. Document signed or verbal consent.
• Quadrant and tooth identification — the quadrant treated (UR/UL/LR/LL or 10/20/30/40) and every tooth treated within that quadrant. Per-quadrant documentation matches how D4240/D4260 are billed if those codes are used.
• AAP staging and grading diagnosis — Stage I-IV, Grade A-C, extent (localized <30% / generalized ≥30%). LANAP's evidence base is strongest for Stage III-IV with vertical defects; the diagnosis should support that.
• Pre-op periodontal documentation — site-specific six-point probing depths, BOP, CAL, recession, furcation grade (Glickman/Hamp), Miller mobility, suppuration. Per: "general statements like 'deep pockets' are weak without charting." Pocket depths ≥5 mm with BOP at the treated sites is the carrier-recognized threshold.
• Radiographic interpretation — bone-loss pattern (vertical/intrabony defects respond best to LANAP; document them specifically), severity in mm or % of root length, calculus visualized, furcation involvement on imaging. Diagnostic-quality PAs / vertical bitewings of the surgical sites should be on file.
• Phase I therapy history with dates — date of last SRP (D4341/D4342) or full-mouth debridement (D4355), the post-SRP re-evaluation date, and the documented finding that justified moving to LANAP (e.g., "SRP UR/UL 2026-01-12; 8-week re-eval 2026-03-09 showed residual 6-7 mm pockets DB#3, ML#14 with BOP and persistent subgingival calculus on imaging"). Carriers expect the same Phase I prerequisite for LANAP that they expect for D4240/D4260.
• Indication / why LANAP — the clinical rationale for selecting the laser protocol over conventional surgery (medical comorbidity, anticoagulation, bleeding risk, patient preference, regenerative goal at vertical defects). This is the audit hook when coding alongside or under D4240/D4260.
• Anesthesia — agent, concentration, vasoconstrictor, technique, number of carpules. LANAP is performed under local anesthesia.
• Laser device and parameters — REQUIRED — explicit mention that the PerioLase MVP-7 (Millennium Dental Technologies) Nd:YAG laser, 1064 nm, free-running pulsed was used, and the actual settings used per protocol pass (typical: first pass 4.0 W, 150 µs pulse; second pass 4.0 W, 650 µs pulse — practice settings vary; record what was actually delivered). Pass count, pulse duration, repetition rate, fiber size (typically 360 µm), and total energy delivered if your unit logs it. Without a model-specific laser line, the note does not document LANAP — it documents an unspecified laser-assisted treatment.
• LANAP protocol steps performed — the published Millennium Dental protocol (the 7-step sequence): (1) probing/diagnosis, (2) first laser pass for selective de-epithelialization of pocket lining, (3) ultrasonic and hand-instrument calculus removal, (4) second laser pass to form a stable fibrin clot at the base of the pocket, (5) tissue compression against the root, (6) occlusal adjustment of treated teeth, (7) post-op care and home regimen. The note must show that all of those occurred — not just "laser used."
• Selective de-epithelialization and fibrin clot formation — call those out by name. They are the regenerative differentiators that distinguish LANAP from a generic laser curettage.
• Occlusal adjustment — LANAP protocol calls for adjustment of the treated teeth to relieve traumatic occlusion during healing. Document teeth adjusted and method.
• Materials and adjuncts — irrigation, locally placed antimicrobials (D4381) if used (separately code), occlusal-adjustment materials.
• Hemostasis — typically minimal due to laser; note achieved.
• Complications or none — explicit. "None" is acceptable when accurate.
• Patient tolerance and response — wakefulness, vitals stable, ambulation.
• Post-op instructions — LANAP-specific — soft diet for ~2 weeks, no brushing of treated area for ~2 weeks (do not disturb the fibrin clot), salt-water rinses only, avoid chewing on treated side, no smoking, no flossing the treated area for the prescribed period. These restrictions are tighter than conventional flap/osseous post-op and must be documented.
• Prescriptions — analgesic and any antimicrobial. Document drug, dose, sig, quantity, refills, or "none" with rationale.
• Re-evaluation and maintenance plan — typical 4-12 week post-op re-eval (LANAP healing follows a longer remodeling timeline than open-flap), then 3-month perio maintenance (D4910) initially. LANAP centers commonly recommend lifelong 3-4 month maintenance.
• Provider signature and assistant initials.
• LANAP certification on file — internal-only documentation, but if the practice claims LANAP, the operator should be IALD/MDT-certified and the certificate should be in the credentialing file. Carriers occasionally request it.

Per 's perio-surgery checklist (which carriers apply by analogy when LANAP is coded under D4240/D4260): pre-operative periodontal charting demonstrating bone loss and deep pocketing, diagnostic-quality radiographs, the date of the last SRP or osseous surgery, six-point probing and charting of conditions, active bleeding points, and pocket depths ≥5 mm. Build the LANAP note backward from that list and add the laser-specific lines above.

Common denial reasons

LANAP claims are denied, downgraded, or recouped at unusually high rates because of the code-mismatch issue. The most common reasons:

• Code-procedure mismatch (D4260 billed for LANAP) — the single most consequential denial pattern. State boards and carriers have taken the position that D4260 requires osseous recontouring (ostectomy/osteoplasty), and a LANAP note that explicitly states no rotary osseous reduction was performed cannot defend a D4260 claim. Recoupment, fines, and provider-discipline have followed. Submit conservatively.
• D4999 denied as non-covered — D4999 (unspecified periodontal procedure) is the AAP-recommended LANAP code, but many plans simply do not benefit D4999 as covered. The claim is correctly coded; the benefit doesn't exist. Patient out-of-pocket should be set up in advance.
• Downgrade to D4341 / D4342 — Aetna and several other carriers benefit LANAP at the SRP level when SRP criteria are met, regardless of the code submitted. Expect this on Aetna plans.
• No documented prior SRP and re-evaluation — same denial pattern as conventional perio surgery. Submit with the SRP claim numbers/dates and the re-eval note.
• Pocket depths below the plan threshold — most carriers want 5+ mm with BOP at the surgical sites. A note describing 4 mm pockets without other findings is downgraded or denied.
• Note describes the wrong device — the chart says "diode laser" or names a non-MVP-7 device, but the claim is submitted as "LANAP." This is a documentation-vs-claim mismatch that auditors flag immediately. Diode-laser perio therapy is not LANAP.
• No laser parameters recorded — pass count, wavelength (1064 nm Nd:YAG), pulse duration, and energy settings are missing from the note. Carrier and audit reviewers expect device-specific parameters when the claim narrative references a patented protocol.
• Operator not LANAP-certified — the practice claims LANAP, but no IALD/MDT certification is on file. If a record request follows, the carrier may request proof of certification.
• Missing AAP stage/grade or specific perio diagnosis — "moderate periodontitis" without 2017-framework staging is increasingly read as insufficient.
• Bundled into a same-DOS regenerative procedure — if D4263/D4264/D4266/D4267 is on the same date of service in the same site, the LANAP fee may be bundled into the regenerative code.
• Same quadrant, recent surgical history — patient had D4240/D4241/D4260/D4261 in the same quadrant within the lookback window; carrier denies on frequency.
• Missing pre/post-op vitals or surgery-specific PARQ — most carriers expect both for any periodontal-surgical procedure regardless of laser vs scalpel.
• Non-covered service — many adult plans and most Medicare Advantage dental supplements carve out advanced perio surgery and laser-assisted protocols entirely; verify the patient's benefit before scheduling.
• Insurance-fraud exposure — billing a non-osseous, flapless laser procedure as D4260 has resulted in state-dental-board discipline. Do not document one procedure and bill another.

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