D0481 - Electron Microscopy
Electron microscopy.
- Procedure Code
- D0481
- Category
- Diagnostic
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
- 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
- Diagnostic services must be necessary and appropriate relative to an individual dental patient’s disease risk and clinical condition. If the necessity and appropriateness for diagnostic radiographic imaging is not evident from the information submitted, or the images have been acquired before such a determination is made, fees for radiographic imaging are not billable to the patient.
- Fees for duplication (copying) of diagnostic images for insurance purposes are not billable to the patient.
- Images must be of diagnostic quality; properly oriented if submitted for documentation purposes, and with the date of exposure and a patient identifier indicated on all images. If an image is not of diagnostic quality, then the fee for the image is not billable to the patient.
- Benefits for an intraoral comprehensive series and panoramic radiographic images are limited to once every five years. All other imaging frequencies are determined by the group/individual contract.
- The fees for radiographs taken during the procedures and post-operative radiographs are included in the fees for root canals, surgical and non-surgical procedures, and all indirect restorations (crowns, onlays, bridges, inlays, and implants) and are not billable to the patient.
Common Claim Denial Codes & Overturn Strategies
| Denial Code | Denial Reason | Appeal & Overturn Strategy |
|---|---|---|
| CO-119 | Benefit maximum or frequency limitation exceeded for procedure | Submit clinical narrative detailing extraordinary circumstances, active recurrent pathology, or exception criteria. |
ICD-10 Justification & Crosswalk Mappings
| ICD-10 Code | Diagnosis Name | Category | Primary Justification | Claim Type | Clinical Scenario |
|---|