D9951ADA CDT ProcedureAdjunctiveMISCELLANEOUS SERVICES

D9951 - Occlusal Adjust L

Occlusal adjustment- limited.

Patient-Friendly Summary: This gentle procedure involves reshaping minor high spots on one or a few teeth using a fine polishing instrument to balance your bite. It is recommended when an uneven tooth surface causes localized chewing discomfort, tooth sensitivity, or loose teeth. The treatment requires no anesthesia, is completely painless, and provides immediate relief as your teeth come together evenly.
Clinical Documentation Notes: Not covered.
Procedure Code
D9951
Clinical Category
Adjunctive
Primary ICD-10 Justification
K03.81 (Cracked tooth)
Reference Fee & Claim Types
BOTH

Insurance Verification Benchmarks & Billing Guidelines

Payer policy benchmarks, pre-submission attachment requirements, and denial prevention rules for D9951.

Source: Delta Dental 2026
Frequency Limitation
Subject to group/individual contract frequency limitations (none)

Required Claim Attachments & Pre-Submission Checklist

  • Standard ADA claim form with CDT procedure code and date of service

Bill When (Allowable Clinical Criteria)

  • Indicated for medically and clinically necessary treatment as documented in patient's dental record.

Restrictions & Clinical Exclusions

  • Benefits for restorations for altering occlusion, adjusting vertical dimension, replacing tooth structure lost by attrition, erosion, abrasion, abfraction, corrosion, TMD or for periodontal, orthodontic, or other splinting are denied, unless covered by group/individual contract.
  • Benefits for sleep apnea services (D9947-D9957) are denied unless covered by group/individual contract.
  • Infection control is included in the fee for the dental services provided. Separate fees are not billable to the patient.
  • General anesthesia and intravenous sedation are limited to one hour. Any additional minutes are not billable to the patient unless clinical documentation supports more than an hour was necessary. For example, special health care needs patients may require additional units of anesthesia and may be a benefit according to group/individual contract.
  • All services and treatment provided remotely via tele-health modalities, be they synchronous or asynchronous, must be performed by a licensed dentist or their supervised staff, acting within the scope of applicable law. Services and treatment delivered virtually are only a benefit when the elements included in the descriptor of the CDT procedure code are completed and only when they meet generally accepted clinical guidelines.
  • Benefits for restorations for altering occlusion, adjusting vertical dimension, replacing tooth structure lost by attrition, erosion, abrasion, abfraction, corrosion, TMD, or for periodontal, orthodontic, or other splinting are denied, unless covered by group contract.

Common Claim Denial Codes & Overturn Strategies

Denial CodeDenial ReasonAppeal & Overturn Strategy
CO-119Benefit maximum or frequency limitation exceeded for procedureSubmit clinical narrative detailing extraordinary circumstances, active recurrent pathology, or exception criteria.

ICD-10-CM Justification & Crosswalk Mappings for D9951 (15)

Click any ICD-10-CM diagnosis code below to inspect its reverse procedure mappings and differential coding guide.

ICD-10 CodeDiagnosis NameCategoryPrimary JustificationClaim TypeClinical Scenario
K03.81Cracked toothOther diseases of hard tissues of teeth★ Yes (Primary)BOTHocclusal adjustment – limited indicated for Cracked tooth
K03.0Excessive attrition of teethOther diseases of hard tissues of teethSecondaryBOTHocclusal adjustment – limited indicated for Excessive attrition of teeth
K04.0PulpitisDiseases of pulp and periapical tissuesSecondaryBOTHocclusal adjustment – limited indicated for Pulpitis
K06.010Localized gingival recession, unspecifiedOther disorders of gingiva and edentulous alveolar ridgeSecondaryBOTHocclusal adjustment – limited indicated for Localized gingival recession, unspecified
K06.011Localized gingival recession, minimalOther disorders of gingiva and edentulous alveolar ridgeSecondaryBOTHocclusal adjustment – limited indicated for Localized gingival recession, minimal
K06.012Localized gingival recession, moderateOther disorders of gingiva and edentulous alveolar ridgeSecondaryBOTHocclusal adjustment – limited indicated for Localized gingival recession, moderate
K06.013Localized gingival recession, severeOther disorders of gingiva and edentulous alveolar ridgeSecondaryBOTHocclusal adjustment – limited indicated for Localized gingival recession, severe
K06.020Generalized gingival recession, unspecifiedOther disorders of gingiva and edentulous alveolar ridgeSecondaryBOTHocclusal adjustment – limited indicated for Generalized gingival recession, unspecified
K06.021Generalized gingival recession, minimalOther disorders of gingiva and edentulous alveolar ridgeSecondaryBOTHocclusal adjustment – limited indicated for Generalized gingival recession, minimal
K06.022Generalized gingival recession, moderateOther disorders of gingiva and edentulous alveolar ridgeSecondaryBOTHocclusal adjustment – limited indicated for Generalized gingival recession, moderate
K06.023Generalized gingival recession, severeOther disorders of gingiva and edentulous alveolar ridgeSecondaryBOTHocclusal adjustment – limited indicated for Generalized gingival recession, severe
M26.601Right, temporomandibular joint disorder, unspecifiedDentofacial anomalies [including malocclusion]SecondaryBOTHocclusal adjustment – limited indicated for Right, temporomandibular joint disorder, unspecified
M26.602Left temporomandibular joint disorder, unspecifiedDentofacial anomalies [including malocclusion]SecondaryBOTHocclusal adjustment – limited indicated for Left temporomandibular joint disorder, unspecified
M26.603Bilateral temporomandibular joint disorder, unspecifiedDentofacial anomalies [including malocclusion]SecondaryBOTHocclusal adjustment – limited indicated for Bilateral temporomandibular joint disorder, unspecified
M26.609Unspecified temporomandibular joint disorder, unspecified sideDentofacial anomalies [including malocclusion]SecondaryBOTHocclusal adjustment – limited indicated for Unspecified temporomandibular joint disorder, unspecified side

Frequently Asked Questions — D9951 (Occlusal Adjust L)

Quick answers for dental billers and treatment coordinators submitting claims for D9951.

What ICD-10 diagnosis codes link to dental procedure D9951?▾

Common ICD-10-CM justification codes for CDT D9951 (Occlusal Adjust L) include: K03.81 - Cracked tooth (Primary); K03.0 - Excessive attrition of teeth; K04.0 - Pulpitis; K06.010 - Localized gingival recession, unspecified; K06.011 - Localized gingival recession, minimal; K06.012 - Localized gingival recession, moderate; K06.013 - Localized gingival recession, severe; K06.020 - Generalized gingival recession, unspecified; K06.021 - Generalized gingival recession, minimal; K06.022 - Generalized gingival recession, moderate; K06.023 - Generalized gingival recession, severe; M26.601 - Right, temporomandibular joint disorder, unspecified; M26.602 - Left temporomandibular joint disorder, unspecified; M26.603 - Bilateral temporomandibular joint disorder, unspecified; M26.609 - Unspecified temporomandibular joint disorder, unspecified side.

Can CDT code D9951 be billed to medical insurance?▾

Billing CDT D9951 (Occlusal Adjust L) to medical insurance depends on the underlying clinical necessity and trauma/pathology documentation. Supported claim types across linked diagnoses: BOTH.

What attachments and documentation are required for billing CDT D9951?▾

Required claim attachments for CDT D9951 (Occlusal Adjust L) include: Standard ADA claim form with CDT procedure code and date of service.

What is the insurance frequency limitation for CDT D9951?▾

Standard commercial insurance frequency for D9951: Subject to group/individual contract frequency limitations (none).

What are common insurance denial reasons and appeal tips for CDT D9951?▾

Denial Code CO-119 (Benefit maximum or frequency limitation exceeded for procedure): Overturn appeal strategy - Submit clinical narrative detailing extraordinary circumstances, active recurrent pathology, or exception criteria.