Periodontal Scaling and Root Planing — One to Three Teeth per Quadrant Template

Scaling and root planing - one to three teeth per quadrant.

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

Quadrant: Quadrant
Teeth: #Tooth number(s)

Consent: Consent/PARQ reviewed; signed/verbally obtained

Periodontal chart/radiographs: Six-point probing, BOP/CAL, recession/furcation/mobility, radiographic bone loss/photos
Periodontal diagnosis: Stage/grade/extent

Procedure time: Start time/stop time
Active disease support: BOP sites, CAL, recession, furcation, mobility, suppuration
Radiographic bone loss/root calculus: Diagnostic-quality FMX/BW/PA findings
Medical contributors: Diabetes/smoking/pregnancy/cardiovascular/other or none
SRP area support: Quadrant and tooth numbers treated; scaling and root planing performed

Anesthesia: Anesthetic used
Carps: Carpules/amount

Procedure:
Ultrasonic scaling.
Hand scaling and root planing.
Subgingival debridement.
Root surfaces smooth and free of calculus.
Irrigation with: Irrigant used

Pre-op probing depths: Pre-op probing depths
Post-op evaluation at re-eval.

OHI: Instructions reinforced.

Complications: None or describe.

Patient tolerance: Tolerance/response.

Post-op instructions: Instructions reviewed.

NV: Next visit

Documentation requirements

D4342 documentation is the difference between a clean payment and a "no documentation of periodontitis" denial. The note must answer four questions in writing: which teeth, why those teeth (active disease support), is there bone loss / attachment loss, and what staging/grading the perio diagnosis represents. A defensible chart note includes:

• Quadrant and tooth numbers — the specific quadrant (UR, UL, LR, LL) and the 1-3 teeth treated in that quadrant. Per-tooth specificity is the audit hook; "SRP UR" without tooth numbers is a recoupment risk on payer audits.
• Periodontal chart, recent (within 6-12 months of SRP). Six-point probing, recession, BOP sites, CAL where measurable, mobility, furcation involvement, suppuration. The chart must show pocket depths and clinical attachment loss patterns that justify SRP on the specific teeth being treated. AAP and most carriers expect the chart to be on file from a comprehensive periodontal evaluation (D0180) or a comprehensive evaluation (D0150) with full charting.
• Radiographs showing bone loss. Diagnostic-quality bitewings, PAs, or FMX — taken or reviewed today — that demonstrate radiographic bone loss at the SRP sites. The chart should reference the imaging by code and note the bone-loss findings (e.g., "horizontal bone loss to mid-third of root #3 distal; vertical defect distal #14"). Bone loss without imaging on file is one of the most common audit denial bases.
• AAP periodontal diagnosis with stage, grade, and extent. AAP/EFP 2017 staging and grading is the documentation standard most carriers now expect. State the diagnosis explicitly: e.g., "Localized Stage II Grade B periodontitis, <30% of teeth involved (LR quadrant)." Vague phrases like "moderate perio" without staging/grading are increasingly flagged by Delta Dental, Aetna, MetLife, and the major Medicaid MCO clinical reviewers.
• Active disease support per quadrant. BOP sites, CAL findings, recession, furcation involvement (Class I/II/III), mobility (Miller I/II/III), suppuration. This is what distinguishes D4342 from prophy on a gingivitis patient — the chart must show active destructive disease, not just inflammation.
• Medical risk contributors. Diabetes (HbA1c if known), smoking (current/former, pack-years), pregnancy, cardiovascular disease, immunosuppression, anti-resorptive therapy, or "none." Risk factors drive the AAP grade (A/B/C) and matter for prognosis and post-op healing.
• Anesthesia. Agent, concentration, vasoconstrictor, technique, and carpule count. Local anesthesia is appropriate for SRP and is included in D4342; D9215 for local anesthesia is generally not separately reportable when used solely to enable SRP.
• Procedure detail. Ultrasonic scaling, hand scaling and root planing, subgingival debridement, root surfaces left smooth and free of calculus, irrigation (saline, chlorhexidine 0.12%, povidone-iodine, or other antimicrobial). The descriptor specifies removal of cementum/dentin contaminated with calculus or toxins — note that root planing (not just scaling) was performed.
• Pre-op probing depths at the treated sites. Establishes baseline for re-evaluation and supports the active-disease finding. Post-op probing is performed at the perio re-eval (typically 4-6 weeks post-SRP), not at the SRP visit.
• Procedure time (start/stop). Documentation that meaningful subgingival instrumentation actually occurred. SRP that takes 8 minutes per quadrant is an audit red flag — true SRP on 1-3 teeth with bone loss generally requires 20-45 minutes per quadrant including anesthesia onset.
• Adjuncts (when used). Localized antimicrobial delivery (D4381 — Arestin, PerioChip, Atridox) is reported separately per tooth treated when used. Laser-assisted SRP is generally not separately billable; document the modality used but the line item remains D4342.
• OHI reinforced. Specific instructions given (interdental brushes, electric toothbrush, prescription-strength fluoride/CHX rinse if indicated). Generic "OHI given" is acceptable but specific is stronger.
• Patient tolerance, complications, post-op instructions, NV. Standard close. NV should reference the periodontal re-evaluation 4-6 weeks post-SRP — the AAP standard, used to assess pocket reduction, BOP resolution, and the need for adjunctive therapy or surgical referral. After re-eval, the patient transitions to D4910 (periodontal maintenance) or to additional therapy as indicated.

Patterns to avoid in a D4342 chart note: (a) D4342 charted on a patient whose perio chart shows generalized 5-7 mm pockets across all four quadrants — the chart contradicts the localized-disease premise; (b) silence on radiographic bone loss — without imaging support, most carriers will downgrade to D1110; (c) "moderate periodontal disease" without AAP staging/grading — the standard of care since 2017 is staged/graded diagnosis; (d) identical SRP narrative copied across patients with no patient-specific findings (template-fingerprint pattern flagged by Medicaid MCO recoupment programs); (e) D4342 charted at every recall on the same patient instead of transitioning to D4910 after active therapy completes.

Common denial reasons

The most frequent reasons D4342 is denied, downgraded, or recouped:

• Generalized periodontitis miscoded as D4342 in each quadrant — the single most common D4342 audit finding. A patient with AAP Stage I-IV generalized disease is billed D4342 x 2-4 quadrants because each quadrant has 1-3 of the "worst" sites. Carriers cross-reference your perio chart against the code distribution and downgrade. If at least one quadrant has 4+ qualifying teeth, that quadrant is D4341.
• No radiographic bone loss documented or on file — D4342 requires bone loss and/or attachment loss support. Charts that show pocket depths alone, without imaging interpretation or CAL measurements, are routinely downgraded to D1110.
• No AAP staging/grading in the chart note — since the 2017 AAP/EFP classification, staged/graded diagnosis is the documentation standard. "Moderate periodontal disease" without stage/grade/extent is increasingly flagged.
• D4342 on a gingivitis patient (no bone loss, no CAL) — should be D1110 (or D4346 if generalized inflammation). Coding therapeutic SRP for preventive prophylaxis is a recurring recoupment finding on Medicaid MCO and commercial post-payment audits.
• D4342 on the same DOS as D1110, D4355, or D4346 — mutually exclusive or bundled. Only one will pay; the other is recouped or denied.
• Frequency violation — D4341 or D4342 on the same quadrant within 24 months — the most common commercial denial reason. Re-treatment requires a recurrent-disease narrative or transition to D4910.
• Continued D4342 at recall instead of D4910 — after active therapy, the patient should transition to periodontal maintenance. Re-billing D4342 every 3-6 months on the same patient is an audit fingerprint.
• Missing tooth numbers or quadrant identifier — "SRP" without specifying the treated quadrant and teeth is a routine denial basis. Per-tooth specificity is the audit defense.
• Same-day prophy on untreated areas billed as D1110 — bundling rules; most carriers consider any same-day cleaning inclusive.
• Procedure time too short to support SRP — automated audit systems flag 5-10 minute "SRP" appointments as inconsistent with true subgingival instrumentation.
• Template-fingerprint chart notes — identical SRP narrative copied across patients with no patient-specific findings (specific tooth numbers, BOP sites, CAL measurements, bone-loss interpretation). Liberty Dental, DentaQuest, and MCNA recoupment programs flag this.
• D4342 charted with pseudopockets from gingival hyperplasia (e.g., medication-induced, ortho hyperplasia) — pseudopockets without bone loss or CAL don't meet SRP criteria. The correct code may be D4346 or gingivectomy (D4210/D4211).
• No active-disease support documented — silence on BOP, suppuration, CAL, mobility, furcation, and recession leaves the carrier with no clinical justification beyond pocket depth.
• Missing operator initials / signature — auto-flagged by automated audit systems.

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