W42 ICD-10-CM Code: Exposure to noise
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Code definition
Official description
W42Exposure to noise
ICD-10-CM diagnosis code · United States clinical modification
Classification
Where W42 sits
- 1
Chapter 20
External causes of morbidity (V00-Y99)
- 2
Section
Accidents (V00-X58)
- 3
Category W42
Exposure to noise
- 4
Code W42
Exposure to noise
More specific choices
Codes under W42
W42 is a non-billable category. Choose the child code that best matches the documented diagnosis.
Documentation details
Notes for this code
Inclusion terms
No inclusion terms are listed for W42.
Code first
No “code first” instruction is listed for W42.
Use additional code
No “use additional code” instruction is listed for W42.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for W42.
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for W42.
Transparency
Source and release
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Review the CDC/NCHS ICD-10-CM sourceCode-specific guidance
Frequently asked questions
What does ICD-10-CM code W42 mean?
W42 is the FY 2027 U.S. ICD-10-CM code for “Exposure to noise.”
Is W42 a billable or specific ICD-10-CM code?
No. W42 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.
Where is W42 located in ICD-10-CM?
W42 is listed in Chapter 20, External causes of morbidity (V00-Y99), within Accidents (V00-X58) (V00–X58), under category W42, Exposure to noise.
What coding notes are listed for W42?
No inclusion terms are listed for W42 in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.
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