If you’re still filing implant claims under D6010, you’ll get dental-only denials. CPT 21248 / 21249 are the gateway when implants restore function after medical loss.
Two Codes that Unlock Medical Coverage
21248: Partial jaw reconstruction with implants (< half arch).
21249: Complete jaw reconstruction with implants (full arch).
Scenarios That Pass Medical Necessity
- Trauma: Motorcycle accident fractures the mandible—implants are part of surgical reconstruction, not cosmetic replacement.
- Oncology: Post-tumor resection jaw defects (C06.9) where implants restore chewing and speech.
- Congenital: Cleft palate/lip reconstructions (Q35.9, Q37.9) needing implant-supported prosthetics.
Scenarios That Fail Every Time
These remain CDT-only (D6010, etc.) and are excluded by both dental and medical payers:
- Tooth loss from cavities or gum disease.
- Cosmetic-only replacements.
Your Preauthorization Checklist
- Narrative: explain trauma/oncology/congenital tie-in.
- Imaging: CBCT, panos.
- Reports: pathology, oncology notes, accident reports.
- Claim form: CMS-1500, CPT/ICD, proper modifiers.
- Auth number: record it on claim submission.
Payer Specifics to Remember
- Aetna/BCBS/UHC/Cigna/Humana: Preauth implants tied to reconstruction.
- Medicare: Covers only when part of cancer or trauma reconstruction. Since 2023, CMS recognizes dental services “inextricably linked” to cancer or transplant care.
- VA: Covers implants if service-connected or veteran is 100% disabled.




















