D4264 - Bone Graft (Addl)

Bone replacement graft – each addl site.

Procedure Code
D4264
Category
Periodontics

Insurance Verification Benchmarks & Billing Guidelines

Benchmark Policy Source: Delta Dental 2026

Frequency Limitation
Subject to group/individual contract frequency limitations (none)

Required Claim Attachments & Pre-Submission Checklist

  • Full-mouth periodontal charting with 6-point probing depths and bleeding points

Bill When (Allowable Clinical Criteria)

  • Benefits for bone replacement grafts are limited to once per tooth per 36 months on natural teeth only.
  • Benefits are limited to up to two teeth per quadrant per 36 months. wound debridement, osseous contouring, the placement of biologic materials or the placement of barrier membranes to aid in osseous tissue regeneration or barrier membranes. This procedure is performed concurrently with one or more bone replacement grafts to document the number of sites involved. Not to be reported for an edentulous space or an extraction site.

Restrictions & Clinical Exclusions

  • Periodontal surgical procedures include all necessary postoperative care, finishing procedures, oral evaluations for three months. Soft tissue grafts may be allowed on the same teeth/sites within 36 months with supporting documentation. When a surgical procedure is billed within three months of the initial surgical procedure in relation to both natural teeth and implants by the same dentist/dental office, the fee for the surgery is not billable to the patient. In the absence of documentation of extraordinary circumstances, the fee for additional surgery by the same dentist/dental office for three years is not billable to the patient. If extraordinary circumstances are present, the benefits will be denied and is chargeable to the patient up to the approved amount for the surgery. not billable to the patient
  • Periodontally involved teeth which would qualify for surgical pocket reduction benefits under these procedure codes must be documented to have at least 5 mm pocket depths and bone loss beyond 1-1.5 millimeters. If pocket depths are under 5 mm, then benefits are denied.
  • If surgery is performed less than four weeks after scaling and root planing, fees for the surgical procedure or the scaling and root planning by the same dentist/dental office are not billable to the patient following consultant review.
  • Periodontal surgical procedures include all necessary postoperative care, finishing procedures, oral evaluations for three months, as well as any surgical re-entry for three years. When a surgical procedure is billed within three months of the initial surgical procedure by the same dentist/dental office, the fee for the surgery is not billable to the patient. In the absence of documentation of extraordinary circumstances, fees for additional surgery are not billable to the patient for three years.
  • Benefits for bone replacement grafts are denied when submitted with apicoectomy sites, implants, mucogingival/soft tissue grafts, periradicular surgery, ridge augmentation or preservation procedures, sinus elevation, defects from cyst removal, hemisections or with extractions.
  • For benefit purposes, local anesthesia is an integral part of the periodontal procedures being performed and additional charges are not billable to the patient.

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 Justification & Crosswalk Mappings

ICD-10 CodeDiagnosis NameCategoryPrimary JustificationClaim TypeClinical Scenario
K05.313Chronic periodontitis, localized, severeGingivitis and periodontal diseasesYes (Primary)BOTHbone replacement graft – retained natural tooth – each additional site in quadrant indicated for Chronic periodontitis, localized, severe
K05.211Aggressive periodontitis, localized, slightGingivitis and periodontal diseasesSecondaryBOTHbone replacement graft – retained natural tooth – each additional site in quadrant indicated for Aggressive periodontitis, localized, slight
K05.212Aggressive periodontitis, localized, moderateGingivitis and periodontal diseasesSecondaryBOTHbone replacement graft – retained natural tooth – each additional site in quadrant indicated for Aggressive periodontitis, localized, moderate
K05.213Aggressive periodontitis, localized, severeGingivitis and periodontal diseasesSecondaryBOTHbone replacement graft – retained natural tooth – each additional site in quadrant indicated for Aggressive periodontitis, localized, severe
K05.219Aggressive periodontitis, localized, unspecified severityGingivitis and periodontal diseasesSecondaryBOTHbone replacement graft – retained natural tooth – each additional site in quadrant indicated for Aggressive periodontitis, localized, unspecified severity
K05.221Aggressive periodontitis, generalized, slightGingivitis and periodontal diseasesSecondaryBOTHbone replacement graft – retained natural tooth – each additional site in quadrant indicated for Aggressive periodontitis, generalized, slight
K05.222Aggressive periodontitis, generalized, moderateGingivitis and periodontal diseasesSecondaryBOTHbone replacement graft – retained natural tooth – each additional site in quadrant indicated for Aggressive periodontitis, generalized, moderate
K05.223Aggressive periodontitis, generalized, severeGingivitis and periodontal diseasesSecondaryBOTHbone replacement graft – retained natural tooth – each additional site in quadrant indicated for Aggressive periodontitis, generalized, severe
K05.229Aggressive periodontitis, generalized, unspecified severityGingivitis and periodontal diseasesSecondaryBOTHbone replacement graft – retained natural tooth – each additional site in quadrant indicated for Aggressive periodontitis, generalized, unspecified severity
K05.30Chronic periodontitis, unspecifiedGingivitis and periodontal diseasesSecondaryBOTHbone replacement graft – retained natural tooth – each additional site in quadrant indicated for Chronic periodontitis, unspecified
K05.311Chronic periodontitis, localized, slightGingivitis and periodontal diseasesSecondaryBOTHbone replacement graft – retained natural tooth – each additional site in quadrant indicated for Chronic periodontitis, localized, slight
K05.312Chronic periodontitis, localized, moderateGingivitis and periodontal diseasesSecondaryBOTHbone replacement graft – retained natural tooth – each additional site in quadrant indicated for Chronic periodontitis, localized, moderate
K05.319Chronic periodontitis, localized, unspecified severityGingivitis and periodontal diseasesSecondaryBOTHbone replacement graft – retained natural tooth – each additional site in quadrant indicated for Chronic periodontitis, localized, unspecified severity
K05.321Chronic periodontitis, generalized, slightGingivitis and periodontal diseasesSecondaryBOTHbone replacement graft – retained natural tooth – each additional site in quadrant indicated for Chronic periodontitis, generalized, slight
K05.322Chronic periodontitis, generalized, moderateGingivitis and periodontal diseasesSecondaryBOTHbone replacement graft – retained natural tooth – each additional site in quadrant indicated for Chronic periodontitis, generalized, moderate
K05.323Chronic periodontitis, generalized, severeGingivitis and periodontal diseasesSecondaryBOTHbone replacement graft – retained natural tooth – each additional site in quadrant indicated for Chronic periodontitis, generalized, severe
K05.329Chronic periodontitis, generalized, unspecified severityGingivitis and periodontal diseasesSecondaryBOTHbone replacement graft – retained natural tooth – each additional site in quadrant indicated for Chronic periodontitis, generalized, unspecified severity
K05.6Periodontal disease, unspecifiedGingivitis and periodontal diseasesSecondaryBOTHbone replacement graft – retained natural tooth – each additional site in quadrant indicated for Periodontal disease, unspecified
K08.20Unspecified atrophy of edentulous alveolar ridgeOther disorders of teeth and supporting structuresSecondaryBOTHbone replacement graft – retained natural tooth – each additional site in quadrant indicated for Unspecified atrophy of edentulous alveolar ridge
K08.21Minimal atrophy of the mandibleOther disorders of teeth and supporting structuresSecondaryBOTHbone replacement graft – retained natural tooth – each additional site in quadrant indicated for Minimal atrophy of the mandible
K08.22Moderate atrophy of the mandibleOther disorders of teeth and supporting structuresSecondaryBOTHbone replacement graft – retained natural tooth – each additional site in quadrant indicated for Moderate atrophy of the mandible
K08.23Severe atrophy of the mandibleOther disorders of teeth and supporting structuresSecondaryBOTHbone replacement graft – retained natural tooth – each additional site in quadrant indicated for Severe atrophy of the mandible
K08.24Minimal atrophy of the maxillaOther disorders of teeth and supporting structuresSecondaryBOTHbone replacement graft – retained natural tooth – each additional site in quadrant indicated for Minimal atrophy of the maxilla
K08.25Moderate atrophy of the maxillaOther disorders of teeth and supporting structuresSecondaryBOTHbone replacement graft – retained natural tooth – each additional site in quadrant indicated for Moderate atrophy of the maxilla
K08.26Severe atrophy of the maxillaOther disorders of teeth and supporting structuresSecondaryBOTHbone replacement graft – retained natural tooth – each additional site in quadrant indicated for Severe atrophy of the maxilla