D0486ADA CDT ProcedureDiagnosticTESTS AND EXAMINATIONS

D0486 - Transepithel Cytologic

Accession of transepithelial cytologic sample.

Patient-Friendly Summary: A gentle brush biopsy that collects cells from all layers of an oral spot using a small rotating brush. It allows early detection of precancerous cell changes with minimal discomfort and no incisions or sutures. You will only feel a slight pressure or brushing sensation on the area.
Clinical Documentation Notes: Not a covered benefit.
Procedure Code
D0486
Clinical Category
Diagnostic
Primary ICD-10 Justification
See mapped diagnoses below
Reference Fee & Claim Types
DENTAL

Insurance Verification Benchmarks & Billing Guidelines

Payer policy benchmarks, pre-submission attachment requirements, and denial prevention rules for D0486.

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.

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 D0486 (0)

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

No direct ICD-10 mappings recorded for D0486.

Frequently Asked Questions — D0486 (Transepithel Cytologic)

Quick answers for dental billers and treatment coordinators submitting claims for D0486.

What ICD-10 diagnosis codes link to dental procedure D0486?▾

Currently no specific ICD-10 crosswalk mappings recorded for CDT D0486.

Can CDT code D0486 be billed to medical insurance?▾

Billing CDT D0486 (Transepithel Cytologic) to medical insurance depends on the underlying clinical necessity and trauma/pathology documentation. Supported claim types across linked diagnoses: DENTAL.

What attachments and documentation are required for billing CDT D0486?▾

Required claim attachments for CDT D0486 (Transepithel Cytologic) include: Standard ADA claim form with CDT procedure code and date of service.

What is the insurance frequency limitation for CDT D0486?▾

Standard commercial insurance frequency for D0486: Subject to group/individual contract frequency limitations (none).

What are common insurance denial reasons and appeal tips for CDT D0486?▾

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.