CurrentBlue Cross Blue Shield - WisconsinPolicy 04-208

Periodontal Surgical Procedures, miscellaneous

Defines coverage criteria, documentation, and limitations for miscellaneous periodontal surgical procedures for Blue Cross Blue Shield - Wisconsin members; applies to dental providers requesting benefit determination and reimbursement for periodontal surgeries.

Policy Summary

PayerBlue Cross Blue Shield - Wisconsin

PolicyPeriodontal Surgical Procedures, miscellaneous

Policy CodePolicy 04-208

Change TypeNo material changes

Effective Date

Next Review Date

Key ActionVerify member contract benefits and obtain prior review/authorization when required for listed CDT codes and other periodontal surgical procedures.

SourceLink

POLICY UPDATE CHANGES

No material clinical or coverage changes in this revision.

2maximum quadrants per date of service

5 mmminimum pocket depth for benefit consideration

1procedure per quadrant

36typical frequency limit (months)

D4230,D4231,D4268,D4274example CDT codes listed

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Coverage Criteria for Miscellaneous Periodontal Surgical Procedures

General periodontal surgical coverage

Covered when ALL of the following are met

Core coverage criteria: 1) Labeled and dated (within 12 months) 6-point periodontal pocket depth charting with pre- and post-nonsurgical periodontal therapy; 2) Current (within 12 months) diagnostic-quality dated pretreatment radiographs demonstrating horizontal and/or vertical osseous defects; 3) Completion of initial periodontal therapy (e.g., scaling and root planing) with a minimum 4-week healing interval prior to any surgical treatment; 4) Periodontal pocket depth recordings of 5 mm or greater; 5) Limited to natural teeth only; 6) Only teeth with favorable periodontal outcomes will be considered for benefit; 7) Procedures limited to two quadrants per date of service; 8) Generally limited to one periodontal surgical procedure per quadrant and generally limited to once every 36 months (benefit and frequency are group contract dependent); 9) Procedures performed solely for cosmetic purposes are not benefited.see node text

Exceptions allowed on a case-by-case basis; benefits are group contract dependent.

Procedures performed solely for cosmetic/aesthetic purposes are not benefited. Correction of altered passive eruption is specifically listed as not indicated. Additionally, patients with uncontrolled underlying medical conditions are excluded from benefit for these procedures. Benefit determination is group contract dependent.

Services are not indicated when performed in areas with teeth in proximal contact. Procedures submitted for patients who have been non-compliant with previous periodontal therapies are not indicated. Some clinical situations—such as a cracked tooth, fractured root, or external root resorption adjacent to an edentulous/terminal area that can be managed non-invasively—are also not appropriate for these surgical procedures. Note that these procedures are considered inclusive with other surgical procedures in the same anatomical area performed on the same date of service.

When a refinement procedure is submitted within the plan frequency limitations of the initial surgical procedure, coverage rules depend on the submitting provider: if submitted by the same dentist/dental office it is DISALLOWED; if submitted by a different dentist/dental office within those frequency limits it is DENIED. Examples of refinement or related services specifically noted as not indicated include second-stage implant surgery, membrane removal, or retreatment of a failing soft tissue graft.

Coding and Clinical Thresholds

Example CDT CodesCDT

D4230	Anatomical Crown Exposure four or more contiguous teeth
D4231	Anatomical Crown Exposure one to three contiguous teeth
D4268	Surgical Revision Procedure per tooth
D4274	Mesial/Distal Wedge Procedure single tooth

inv-06: Periodontal pocket depth — clinical threshold for consideration

Minimum pocket depth5 mm or greater (threshold for benefit consideration)

Measurement methodLabeled and dated 6-point periodontal pocket depth charting (within 12 months)

Tooth eligibilityLimited to natural teeth only; only teeth with favorable periodontal outcomes considered

Timing relative to nonsurgical careCompletion of initial periodontal therapy with minimum 4-week healing interval required prior to surgery

Per-quadrant / frequency limitsGenerally limited to one periodontal surgical procedure per quadrant and generally limited to once every 36 months (group contract dependent)

Provider Actions, Documentation, and Prior Review

Prior Authorization

Verify member contract / potential prior review

Benefit determination is group contract dependent; providers should verify member contract benefits and may require prior review/authorization.

Verify member contract benefits at time of service
Prior review/authorization may be required per group contract

Documentation Required

Initial nonsurgical therapy required

Completion of initial periodontal therapy (for example, scaling and root planing) with a minimum 4-week healing interval is required prior to any periodontal surgical treatment to allow for proper assessment of periodontal status.

Allow at least 4 weeks between completion of nonsurgical therapy and surgery
Document pre- and post-nonsurgical therapy in the record

Background and Clinical Context

Periodontal surgical procedures are indicated when periodontal health cannot be achieved or maintained by nonsurgical measures and when the goal is to eliminate periodontal pockets, recontour alveolar bone, or expose/lengthen clinical crowns. Coverage requires completion of initial nonsurgical therapy (for example, scaling and root planing) with a minimum 4-week healing interval, documented 6-point periodontal pocket depth charting (labeled and dated within 12 months), and diagnostic-quality pretreatment radiographs demonstrating horizontal and/or vertical osseous defects. Benefit consideration is generally limited to sites with pocket depths ≥ 5 mm, limited to natural teeth, typically limited to two quadrants per date of service, and generally restricted to one periodontal surgical procedure per quadrant with a typical frequency limit of 36 months, subject to group-contract exceptions.

Standards and Definitions

inv-13: Generally accepted standards of dental practice — sources: peer-reviewed literature, specialty societies, practicing dentists

Evidence sourcesCredible peer‑reviewed dental literature recognized by the practicing dental community

Specialty guidanceRecommendations and criteria from relevant dental specialty societies

Practitioner inputViews of recognized dentists practicing in the relevant clinical area

Scope of standardsStandards reflect services that are in accordance with generally accepted dental practice (type, frequency, extent) and are not primarily cosmetic

Related service ruleServices performed in conjunction with or in preparation for a non‑covered or denied service are also not covered or are denied