CurrentBlue Cross Blue Shield - WisconsinPolicy 04-205

Osseous Surgery (Periodontal)

Policy governing when osseous (periodontal) surgery is considered appropriate and benefit-eligible for treatment of periodontal bone loss; applies to providers submitting dental benefit requests under the payer's dental plans.

Policy Summary

PayerBlue Cross Blue Shield - Wisconsin

PolicyOsseous Surgery (Periodontal)

Policy CodePolicy 04-205

Change TypeNo material change

Effective DateJan 1, 2023

Next Review Date

Key ActionProvide dated post-initial therapy periodontal charting (6-point) and diagnostic pretreatment radiographs within 12 months to support medical necessity.

SourceLink

POLICY UPDATE CHANGES

No material clinical or coverage changes in this revision.

>= 5 mmminimum pocket depth

within 12 monthscharting & radiograph currency

2 quadrantsbenefit limit

1 procedure per periodprocedure frequency

Coverage Criteria for Osseous (Periodontal) Surgery

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Appropriate Criteria

Pre-surgical management: Completion of initial periodontal therapy (e.g., scaling and root planing) with a minimum 4-week healing/re-evaluation period prior to surgery.
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Clinical measurements: Post-initial therapy periodontal charting demonstrating pocket depths >=5 mm (6-point periodontal charting).>= 5 mm
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Documentation currency: Current (within 12 months), dated, post-initial therapy periodontal charting and diagnostic pretreatment radiographs demonstrating osseous defects; if radiographs are non-demonstrative, a detailed narrative describing case type, percent bone loss, furcation involvement and vertical defect description may be requested.within 12 months
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Tooth selection: Only teeth with favorable periodontal outcomes will be considered for benefit.
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Implants: Osseous surgery may be appropriate for defects on natural teeth and dental implants; dental implants are considered equivalent to natural teeth for quadrant surgery.
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inv-02: Benefit limits — frequency/quantity limits and group contract provisions

Coverage is subject to group contract provisions and the following frequency/quantity limits:

Limits: Benefits limited to two quadrants per date of service (exceptions case-by-case); limited to one osseous surgical procedure in a given period per single tooth or multiple teeth in the same quadrant (group contract dependent).

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inv-03: Inclusive procedures and related services — procedures considered inclusive with osseous surgery or impacted by related service coverage

Procedures considered inclusive with osseous surgery or impacted by coverage of related services:

Inclusive procedures: Periodontal surgical procedures such as gingivectomy or gingivoplasty, mesial/distal wedge procedure, anatomical crown exposure, gingival flap procedure, apically repositioned flap, clinical crown lengthening, and surgical revision procedure are considered inclusive with osseous surgery.

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Related non-covered services: If a service is performed in conjunction with or in preparation for a non-covered or denied service, all related services are also non-covered or denied.

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Inclusion of procedure or diagnosis codes in this policy is for informational purposes only and does not guarantee coverage. Coverage and payment are determined by the member's specific contract benefits in effect at the time of service; the plan's review is performed to determine whether requested services meet those contractual requirements.

Refer to the member's contract for definitive coverage determinations and benefit limits; coding lists here are not a guarantee of reimbursement or payment.

Services that do not meet generally accepted standards of dental practice, or those provided primarily for cosmetic or convenience purposes, are not considered medically necessary and may be denied under the plan. The plan evaluates whether services meet professional standards and contract requirements when determining benefit eligibility.

Coding and Clinical Thresholds

CDT codes (informational)CDT

D4260	Osseous surgery (including elevation of a full thickness flap and closure) - four or more contiguous teeth or tooth bounded spaces per quadrant
D4261	Osseous surgery (including elevation of a full thickness flap and closure) - one to three contiguous teeth or tooth bounded spaces per quadrant
D6101	Debridement and osseous recontouring of peri-implant defect or defects surrounding a single implant, surface cleaning of the exposed implant surfaces, including flap entry and closure
D6102	Debridement and osseous recontouring of a peri-implant defect or defects surrounding a single implant, and includes surface cleaning of the exposed implant surfaces, including flap entry and closure

inv-07: Minimum pocket depth — clinical threshold for consideration

Threshold value>= 5 mm pocket depth (post-initial therapy)

Measurement method6-point periodontal charting demonstrating pocket depths ≥5 mm

Associated signBleeding on probing documented with pocket depths ≥5 mm

ApplicabilityApplies to natural teeth and dental implants (implants considered equivalent to natural teeth for quadrant surgery)

inv-08: Charting/radiograph currency — required within timeframe

Required currencyCharting and diagnostic pretreatment radiographs must be current within 12 months

Charting timingDated, post-initial therapy 6-point periodontal charting (showing pocket depths ≥5 mm)

Radiograph contingencyIf radiographs are non-demonstrative, a detailed narrative describing case type, percent bone loss, furcation involvement and vertical defect description may be requested

Provider Requirements and Documentation

Documentation Required

Documentation Required and Completion of Initial Therapy

Osseous surgery procedures are considered appropriate only after completion of initial periodontal therapy and sufficient healing/re-evaluation. Provider must supply documentation of completion of initial therapy and post-therapy assessments as part of review/authorization.

Completion of initial periodontal therapy (e.g., scaling and root planing) with a minimum healing/re-evaluation period of four weeks prior to any surgical treatment.
Provider must supply completion records for initial therapy (e.g., dated scaling and root planing documentation) and dated post-initial therapy 6-point periodontal charting.
Post initial therapy periodontal charting must demonstrate pocket depths >= 5 mm.
Post-initial therapy periodontal charting and diagnostic pretreatment radiographic images must be current within 12 months and dated.
When radiographs do not demonstrate osseous defects, a detailed narrative describing periodontal case type, percentage of bone loss, measured furcation involvement, and description of the vertical defect may be requested.
Benefits are limited to two quadrants per date of service; group contract dependent limits and frequency restrictions (including one osseous surgical procedure per period per tooth or multiple teeth in same quadrant) apply — exceptions considered case-by-case.
Services performed in conjunction with or preparing for a non-covered/denied service will be non-covered/denied.

Prior Authorization

Osseous Surgery Appropriateness and Timing

Osseous surgery is considered appropriate only when initial non-surgical therapy has been completed and healing/re-evaluation criteria are met. Providers should not perform osseous surgery prior to satisfying these prerequisites.

Minimum 4-week healing period after initial periodontal therapy before surgical treatment to allow assessment of non-surgical therapy outcome.
Pocket depth recordings must be a minimum of 5 mm on 6-point periodontal charting post-initial therapy to justify osseous surgery.
Current (within 12 months), dated, diagnostic pretreatment radiographs demonstrating horizontal and/or vertical osseous defects are required when available.

Documentation Required

Provider Submission Requirements

Providers must supply completion records and current, dated documentation when requesting coverage or prior authorization for osseous surgery. Failure to provide required documentation may result in denial of related services.

Completion documentation for initial periodontal therapy (e.g., scaling and root planing) including dates.
Dated post-initial therapy 6-point periodontal charting showing pocket depths (>= 5 mm) within 12 months.
Dated diagnostic pretreatment radiographic images within 12 months or, if radiographs are non-diagnostic, a detailed narrative of periodontal findings.
Associated procedure codes (e.g., D4260, D4261, D6101, D6102) are informational; inclusion does not guarantee coverage — verify member contract benefits.

Background

Osseous (periodontal) surgery is used to treat periodontal disease when gingival inflammation has progressed to bone loss, including horizontal or vertical osseous defects. The procedure typically involves elevation of a full-thickness flap, debridement and recontouring of the osseous defect, and flap closure to reduce pocket depths and improve periodontal architecture.

Policy expectations include documented post–initial therapy findings that demonstrate persistent bone loss and probing depths of at least 5 mm, evidence that non-surgical therapy was attempted and re-evaluated (minimum four-week healing/re-evaluation), and current, dated pretreatment radiographs and 6‑point periodontal charting to substantiate the defect prior to surgical intervention.

Definitions and Standards

inv-14: Generally accepted standards of dental practice — definition and sources

DefinitionStandards based on credible peer-reviewed dental literature, specialty society recommendations, views of recognized dentists in the relevant clinical area, and other credible sources

UseApplied to determine whether dental services are in accordance with generally accepted standards of dental practice

ExpectationServices should be provided by a dentist exercising prudent clinical judgment and be effective in type, frequency and extent for the patient’s condition

ExclusionsServices primarily for patient or dentist convenience, cosmetic purposes, or more costly than alternatives are not considered within generally accepted standards