Is W42.9XXD a billable ICD-10 code?

Yes. W42.9XXD (Exposure to other noise, subsequent encounter) is billable and can be used for insurance claims. Always verify payer-specific requirements.

W42.9XXD ✓ Billable

Exposure to other noise, subsequent encounter

Q: What is ICD-10 code W42.9XXD?

ICD-10-CM code W42.9XXD stands for "Exposure to other noise, subsequent encounter". It is a billable code in the External Causes of Morbidity chapter, effective FY2026 (Oct 1, 2025 – Sep 30, 2026).

ICD-10-CM · FY2026 · External Causes of Morbidity

Code

W42.9XXD

System

ICD-10-CM

Billable

Yes — valid for submission

Effective

FY2026

Chapter

External Causes of Morbidity

Source

CMS / CDC NCHS

⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.

Frequently asked questions

What is ICD-10 code W42.9XXD?

ICD-10-CM code W42.9XXD represents Exposure to other noise, subsequent encounter. It is a billable diagnosis code in the External Causes of Morbidity chapter, effective October 1, 2025 – September 30, 2026.

Is W42.9XXD billable?

Yes. W42.9XXD is a valid billable ICD-10-CM code for insurance claims and clinical documentation.

What chapter is W42.9XXD in?

W42.9XXD belongs to the External Causes of Morbidity chapter (V00–Y99) of ICD-10-CM.

Related codes in the W42 category

W42 Exposure to noise Non-billable W42.0 Exposure to supersonic waves Non-billable W42.9 Exposure to other noise Non-billable W42.0XXA Exposure to supersonic waves, initial encounter Billable W42.0XXD Exposure to supersonic waves, subsequent encounter Billable W42.0XXS Exposure to supersonic waves, sequela Billable W42.9XXA Exposure to other noise, initial encounter Billable W42.9XXS Exposure to other noise, sequela Billable

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