D0478ADA CDT ProcedureDiagnosticTESTS AND EXAMINATIONS

D0478 - Immunohistochem Stains

Immunohistochemical stains.

Patient-Friendly Summary: Advanced laboratory staining that uses antibodies to target specific protein markers in tissue cells under a microscope. It helps precisely classify complex oral tumors or autoimmune conditions for accurate medical management. This is a laboratory procedure with no extra clinical visit needed.
Clinical Documentation Notes: Not a covered benefit.
Procedure Code
D0478
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 D0478.

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 D0478 (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 D0478.

Frequently Asked Questions — D0478 (Immunohistochem Stains)

Quick answers for dental billers and treatment coordinators submitting claims for D0478.

What ICD-10 diagnosis codes link to dental procedure D0478?▾

Currently no specific ICD-10 crosswalk mappings recorded for CDT D0478.

Can CDT code D0478 be billed to medical insurance?▾

Billing CDT D0478 (Immunohistochem Stains) 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 D0478?▾

Required claim attachments for CDT D0478 (Immunohistochem Stains) include: Standard ADA claim form with CDT procedure code and date of service.

What is the insurance frequency limitation for CDT D0478?▾

Standard commercial insurance frequency for D0478: Subject to group/individual contract frequency limitations (none).

What are common insurance denial reasons and appeal tips for CDT D0478?▾

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.