ModifiedWellpointPolicy 04-207

Gingival Flap Procedure and Apically Positioned Flap

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This policy governs coverage criteria, documentation, coding, and limitations for gingival flap procedures and apically positioned flaps used to treat periodontal disease under Wellpoint plans.

Policy Summary

PayerWellpoint

PolicyGingival Flap Procedure and Apically Positioned Flap

Policy CodePolicy 04-207

Change TypeEditorial revision

Effective DateNot stated

Last ReviewOct 25, 2024

Next Review DateNot stated

Key ActionSubmit current, dated post-initial-therapy six-point periodontal charting showing pocket depths of at least 5 mm.

SourceLink

POLICY UPDATE CHANGES

The policy history describes minor editorial refinements to the description, clinical indications, criteria, and references.

5 mmMinimum periodontal pocket depth

12 monthsRequired record currency

2Standard quadrant limit per date of service

3Dental procedure codes listed

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ModifiedWellpointPolicy 04-207

Gingival Flap Procedure and Apically Positioned Flap

Customize your policy alerts

Sign up for wellpoint Policy 04-207 alerts

Get alerted when Policy 04-207 changes without checking for updates manually.

Monitor payer policy activity

Receive email alerts as soon as relevant payer policies are published or updated.

This policy governs coverage criteria, documentation, coding, and limitations for gingival flap procedures and apically positioned flaps used to treat periodontal disease under Wellpoint plans.

Policy Summary

PayerWellpoint

PolicyGingival Flap Procedure and Apically Positioned Flap

Policy CodePolicy 04-207

Change TypeEditorial revision

Effective DateNot stated

Last ReviewOct 25, 2024

Next Review DateNot stated

Key ActionSubmit current, dated post-initial-therapy six-point periodontal charting showing pocket depths of at least 5 mm.

SourceLink

POLICY UPDATE CHANGES

The policy history describes minor editorial refinements to the description, clinical indications, criteria, and references.

5 mmMinimum periodontal pocket depth

12 monthsRequired record currency

2Standard quadrant limit per date of service

3Dental procedure codes listed

Eligible treatment site

Clinical Coverage Criteria

Clinical coverage criteria

Considered appropriate when all applicable clinical, documentation, and procedure limitations below are met.

Gingival flap or apically positioned flap criteria

Clinical indication and prior therapy: Treatment is for mild to severe periodontal disease after nonsurgical methods, such as scaling and root planing, have been unsuccessful in removing subgingival plaque or calculus.
Required periodontal charting: Current, dated, post-initial-therapy six-point periodontal charting is available after nonsurgical periodontal therapy or periodontal maintenance and documents pocket depths of at least 5 mm.Charting within 12 months; pocket depth minimum 5 mm
Required radiographs: Current, dated pretreatment radiographs demonstrate the periapical area and an undistorted image of the alveolar crest.Radiographs within 12 months
Anatomic and procedural indication: The procedure is indicated for supra-bony pocket depths requiring increased access to root surfaces. A soft tissue flap is reflected or resected to permit root-surface debridement and removal of granulation tissue; osseous recontouring is not performed.Supra-bony pocket depths
Eligible treatment site and tissue condition: The periodontal defect involves natural teeth, and the procedure is performed in the presence of minimal attached keratinized tissue.Natural teeth; minimal attached keratinized tissue
Periodontal diagnosis: The periodontal diagnosis includes staging and grading consistent with current American Academy of Periodontology and American Dental Association guidance.
Treatment location limitation: The procedure is not performed for pockets extending below the mucogingival junction.
Quantity limitation: Gingival flap procedures are limited to two quadrants per date of service.Two quadrants per date of service
Exceptions may be allowed on a case-by-case basis.
Same-day procedure limitation: When multiple similar procedures are performed on the same date of service, the less complex procedure is considered inclusive to the primary procedure.
Adjunctive laser limitation: Laser use is considered an adjunct to treatment and is not eligible for an additional or separate benefit.

Exploratory procedure exception

A gingival flap procedure may be benefited for the following exploratory indication:

Exploratory indication: The procedure is performed for exploratory purposes to determine the presence of a cracked tooth or fractured root.

Coverage is limited to periodontal defects involving natural teeth. Gingival flap procedures performed around dental implants are not considered for coverage.

A gingival flap procedure or apically positioned flap is not performed for periodontal pockets extending below the mucogingival junction.

Laser use may support the covered periodontal treatment as an adjunct, but it is not eligible for an additional or separate benefit.

When multiple similar procedures are performed on the same date of service, the less complex procedure is considered inclusive to the primary procedure. For example, scaling and root planing performed with a gingival flap procedure is not separately eligible when it is the less complex procedure.

Coding and Coverage Parameters

CDT Including, but not limited to, the followingHCPCS

D4240	Gingival Flap Procedure including root planing - four or more teeth
D4241	Gingival Flap Procedure including root planing - one to three teeth
D4245	Apical Positioned Flap

ICD-10 CM Diagnoses for Dental Diseases and ConditionsICD-10

No codes listed

Periodontal Pocket Depth

Minimum pocket depth5 mm

Required chartingPost-initial-therapy six-point periodontal charting

Timing of chartingAfter nonsurgical periodontal therapy or periodontal maintenance

Periodontal Charting and Radiograph Currency

Required recordsDated periodontal charting and pretreatment radiographs

Currency requirementWithin 12 months

Radiograph findings

Documentation and Denial Risks

Documentation Required

Post-Treatment Periodontal Charting

Submit current, dated periodontal charting obtained after completion of initial nonsurgical periodontal therapy or periodontal maintenance. The charting must document six sites per tooth and pocket depths of at least 5 mm.

Within 12 months
Post-initial-therapy six-point charting
Minimum pocket depth: 5 mm

Documentation Required

Pretreatment Radiographs Required

Submit current, dated pretreatment radiographs obtained within 12 months. The images must show the periapical area and an undistorted view of the alveolar crest.

Radiographs must be dated and current
Show the periapical area
Show the alveolar crest without distortion

Procedure Background

A gingival flap procedure reflects the gingival soft tissue to provide access for root-surface debridement and removal of granulation tissue. An apically positioned flap is used to maintain an adequate zone of keratinized tissue, with the goal of achieving pocket elimination. These procedures provide soft-tissue access and do not involve manipulation of the periodontal bone.

Key Definitions

Gingival Flap Procedure

ProcedureReflection of a soft-tissue flap

Root-surface purposeAllows debridement of the root surface

Tissue removalAllows removal of granulation tissue

Apically Positioned Flap

ProcedureA surgically positioned flap

Tissue preservationUsed to maintain an adequate zone of keratinized tissue

Treatment goalAchieve pocket elimination

Policy Summary

PayerWellpoint

PolicyGingival Flap Procedure and Apically Positioned Flap

Policy CodePolicy 04-207

Change TypeEditorial revision

Effective DateNot stated

Last ReviewOct 25, 2024

Next Review DateNot stated

Key ActionSubmit current, dated post-initial-therapy six-point periodontal charting showing pocket depths of at least 5 mm.

SourceLink

On This Page

Periapical area and an undistorted image of the alveolar crest must be shown

Gingival Flap Quadrants per Date of Service

Standard limitTwo quadrants per date of service

ExceptionExceptions are allowed on a case-by-case basis

Exceeding the limitMore than two quadrants require a case-by-case exception

Documentation Required

Operative Clinical Documentation

Maintain operative chart notes that demonstrate a soft-tissue flap was reflected or resected, or was planned, to permit debridement of the root surface and removal of granulation tissue. Osseous recontouring is not performed with this procedure.

Document flap reflection, resection, or planned access
Document root-surface debridement and granulation-tissue removal
Do not represent osseous recontouring as part of this procedure

Documentation Required

Periodontal Diagnosis Required

Document a periodontal diagnosis that includes staging and grading consistent with current American Academy of Periodontology (AAP) and American Dental Association (ADA) guidance.

Include periodontal staging
Include periodontal grading
Use current AAP and ADA guidance

Denial Risk

Document Failure of Nonsurgical Therapy

The procedure is intended for diseased gingiva when nonsurgical therapy, such as scaling and root planing, was unsuccessful in removing subgingival plaque and calculus. Denial risk increases when failure of nonsurgical therapy is not documented or required post-treatment charting is absent.

Document unsuccessful nonsurgical periodontal therapy
Document completion of nonsurgical therapy or periodontal maintenance
Include required post-treatment periodontal charting

Denial Risk

Insufficient Periodontal Charting

Claims may be denied when current, dated six-point periodontal charting does not show pocket depths of at least 5 mm.

Charting must be within 12 months
Chart six sites per tooth
Record pocket depths of at least 5 mm

Denial Risk

Missing or Inadequate Radiographs

Claims may be denied when required current, dated pretreatment radiographs are missing, older than 12 months, or do not adequately show the periapical area and an undistorted alveolar crest.

Radiographs must be current and dated
Images must show the periapical area
Images must show an undistorted alveolar crest

Denial Risk

Qualifying Periodontal Defect

Use the procedure for supra-bony periodontal pockets where increased access to root surfaces is needed. It is not a substitute for treatment involving osseous recontouring, which is not accomplished with this procedure.

Indication: supra-bony pocket depths
Document the need for increased root-surface access
Osseous recontouring is not included

Denial Risk

Excluded Treatment Site or Pocket Location

Gingival flap procedures are considered only for periodontal defects involving natural teeth. They are not considered when performed around implants or for pockets extending below the mucogingival junction.

Eligible site: natural teeth only
Excluded site: around implants
Excluded location: pockets extending below the mucogingival junction

Billing Rule

Quadrant Limit Exceeded

Gingival flap procedures are limited to two quadrants per date of service. Treatment involving more than two quadrants on the same date requires a case-by-case exception and may be denied without supporting review.

Maximum: two quadrants per date of service
More than two quadrants require a case-by-case exception

Billing Rule

Multiple Same-Day Procedures

When multiple similar procedures are performed on the same date of service, the less-complex procedure is inclusive to the primary procedure and is not separately payable. This includes scaling and root planing performed with a gingival flap procedure.

Apply the rule to multiple similar same-day procedures
Scaling and root planing may be inclusive when performed with the flap procedure
Do not separately bill the less-complex procedure

Supra-bony Pocket

LocationA periodontal pocket located coronal to the alveolar bone crest

Access requirementThe pocket depth must require increased access to root surfaces

Related treatment limitationOsseous recontouring and bone grafting are not required for this indication