CurrentBlue Cross Blue Shield - WisconsinPolicy 04-901

Periodontal Maintenance

Defines clinical indications, criteria, and coding guidance for nonsurgical periodontal maintenance following definitive periodontal therapy for dental patients and implant maintenance.

Policy Summary

PayerBlue Cross Blue Shield - Wisconsin

PolicyPeriodontal Maintenance

Policy CodePolicy 04-901

Change TypeNo material changes

Effective DateJan 1, 2025

Next Review DateJan 1, 2025

Key ActionDocument prior definitive periodontal therapy with dates and specific treatments to support coverage for periodontal maintenance.

SourceLink

POLICY UPDATE CHANGES

No material clinical or coverage changes in this revision.

1procedure code labeled 'Periodontal maintenance' (D4910)

12 momax continuous care interval

6reference citations

04-901guideline id

Coverage Criteria

Covered when ALL of the following are met

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Periodontal maintenance is considered appropriate as continuing therapeutic care when these requirements are satisfied:

Core requirements: 1) History of prior definitive periodontal therapy with dates and specific treatments; 2) Continuous care interval not exceeding 12 months; 3) Periodontal maintenance performed as part of ongoing monitoring and treatment following active therapy (includes post-initial therapy evaluations and treatment planning); 4) Diagnosis of periodontal disease is required, including staging and grading per current AAP/ADA guidelines.

Procedure is therapeutic rather than prophylactic and appropriate only for patients with a history of periodontal disease.

A periodontal maintenance procedure is not appropriate when there is no history of periodontal disease requiring definitive periodontal treatment. Providers should confirm and document prior definitive periodontal therapy, including dates and specific treatments performed, before submitting claims for periodontal maintenance.

Coding

CDT codes (included, informational)CDT

D4341	Periodontal scaling and root planing- four or more teeth per quadrant.
D4342	Periodontal scaling and root planing- one to three teeth per quadrant.
D4381	Localized delivery of antimicrobial agents via a controlled release vehicle into diseased crevicular tissue, per tooth.
D4910	Periodontal maintenance.
D4999	Unspecified periodontal procedure, by report.

ICD-10-CM Diagnoses (referenced)ICD-10

See CDT code book

ICD-10 CM Diagnoses for Dental Diseases and Conditions: see the current CDT code book for details.

Provider Actions & Billing

Documentation Required

Required clinical documentation

Required clinical documentation to support Periodontal Maintenance (D4910) claims includes: documentation of prior definitive periodontal therapy (procedure types and dates), periodontal diagnosis with staging and grading per current AAP/ADA guidelines, clinical findings (probing depths, bleeding on probing, attachment loss, radiographic bone levels), evidence of continuous care within the preceding 12 months, and notes describing procedures performed (instrumentation, removal of plaque/calculus, localized delivery agents if used). Post-initial therapy evaluations and treatment planning recommendations following maintenance must be documented as integral components of the procedure. A periodontal maintenance procedure is not appropriate and may be denied when there is no history of periodontal disease requiring definitive periodontal treatment.

Required: Prior history of definitive periodontal therapy with dates and specific treatment rendered
Required: Periodontal diagnosis including staging and grading (AAP/ADA)
Required: Clinical findings — probing depths, bleeding on probing, attachment loss, radiographic bone changes
Required: Documentation of continuous care not exceeding 12 months
Required: Procedure notes describing instrumentation and removal of etiologic factors
Note: Post-initial therapy evaluations and treatment planning must be documented as part of maintenance

Step Therapy

Therapeutic sequence requirement — maintenance follows definitive periodontal treatment

Therapeutic sequence requirement: Periodontal maintenance (D4910) is considered a therapeutic, non‑surgical continuing treatment that is appropriate only following definitive periodontal therapy. Maintenance is intended to preserve the periodontal health status achieved after active therapy and to monitor for recurrence or progression of disease. Intervals between maintenance visits are determined by the treating dental professional. A periodontal maintenance procedure is not appropriate without a prior history of periodontal disease requiring definitive periodontal treatment and may be denied if that prior therapy is not documented.

Periodontal maintenance continues for the life of the dentition or any implant after definitive periodontal treatment
Maintenance is therapeutic (not prophylactic) and requires prior definitive periodontal therapy
Intervals between maintenance visits are clinician-determined
Denial risk when no documented prior definitive periodontal treatment

Billing Rule

Coding and prior authorization note

Coding information is provided for informational purposes and does not guarantee coverage or reimbursement. Verify member benefits and prior authorization requirements per the member contract.

Common CDT codes: D4341, D4342, D4381, D4910, D4999
ICD-10-CM diagnoses: see current CDT/ICD resources

Denial Risk

Inappropriate without prior periodontal disease

A periodontal maintenance procedure is inappropriate without documented prior periodontal disease requiring definitive treatment. Claims lacking evidence of prior definitive periodontal therapy (including dates and specific treatments) or absence of a periodontal diagnosis with staging/grading may be denied.

Inappropriate without prior periodontal disease — denial risk if prior definitive therapy not documented
Ensure periodontal diagnosis (staging and grading) per AAP/ADA is included in chart

Background

Periodontal maintenance is a nonsurgical, ongoing phase of care provided following therapeutic periodontal treatment. It is intended as continuing therapeutic care (not prophylactic) and includes post-initial therapy evaluations and treatment planning recommendations as integral components. For coverage, maintenance must be part of ongoing monitoring after active therapy and provided at intervals that do not exceed 12 months.

Definitions

Periodontal maintenance — definition (nonsurgical treatment phase following therapeutic periodontal treatment)

DefinitionA nonsurgical treatment phase following therapeutic periodontal treatment intended to continue for the life of the dentition or any implant and to minimize recurrence and progression of periodontal disease.

PurposeProvides continuing care to maintain periodontal health attained after active periodontal therapy by reducing or eliminating causative factors that trigger host inflammatory responses.

Scope of careIncludes monitoring of periodontal status (e.g., probing depth changes, bleeding on probing, bone level changes) and ongoing treatment as needed.

Procedure characteristicsA demanding, time-consuming nonsurgical phase involving instrumentation of tooth crown and root structures, hand instrumentation, and removal of plaque, biofilm, and calculus.

Therapeutic periodontal maintenance — definition (therapeutic ongoing care including instrumentation, removal of etiologic factors, monitoring)

DefinitionTherapeutic periodontal maintenance is ongoing therapeutic (not prophylactic) care that includes instrumentation of crowns and roots, removal of etiologic factors, and monitoring periodontal status.

Key actionsInstrumentation of tooth crown and root structures, hand instrumentation, and removal of plaque, biofilm, adherent calculus, and diseased cementum.

Clinical monitoringIncludes evaluation of probing depth changes, bleeding on probing, and bone loss changes as part of ongoing assessment and treatment planning.