D0414ADA CDT ProcedureDiagnosticTESTS AND EXAMINATIONS

D0414 - Microbial Specimen

Laboratory processing of microbial specimen.

Patient-Friendly Summary: Laboratory testing of a bacterial or fungal sample taken from your mouth to identify specific germs causing an infection. It ensures your dentist prescribes the exact antibiotic or rinse needed to eliminate the problem. The sample collection is completely painless and takes only seconds.
Clinical Documentation Notes: Not a covered benefit.
Procedure Code
D0414
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 D0414.

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 D0414 (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 D0414.

Frequently Asked Questions — D0414 (Microbial Specimen)

Quick answers for dental billers and treatment coordinators submitting claims for D0414.

What ICD-10 diagnosis codes link to dental procedure D0414?▾

Currently no specific ICD-10 crosswalk mappings recorded for CDT D0414.

Can CDT code D0414 be billed to medical insurance?▾

Billing CDT D0414 (Microbial Specimen) 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 D0414?▾

Required claim attachments for CDT D0414 (Microbial Specimen) include: Standard ADA claim form with CDT procedure code and date of service.

What is the insurance frequency limitation for CDT D0414?▾

Standard commercial insurance frequency for D0414: Subject to group/individual contract frequency limitations (none).

What are common insurance denial reasons and appeal tips for CDT D0414?▾

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.