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ICD-10-CM Current in FY 2027

W42.9

Exposure to other noise

Release
FY 2027
Effective
Official source (opens in a new tab)

Hierarchy

Where W42.9 sits in the official hierarchy. Each level is the code it is classified under.

  1. W42 Parent Exposure to noise
  2. W42.9 This code Exposure to other noise

Official Coding Notes

Reproduced verbatim from the FY 2027 ICD-10-CM files. Notes labelled as inherited are declared on a parent code and apply here too.

Inclusion Terms

Exposure to sound waves NOS

7th Character

The appropriate 7th character is to be added to each code from category W42

Inherited from W42 — Exposure to noise

7th Character

A - initial encounter

Inherited from W42 — Exposure to noise

7th Character

D - subsequent encounter

Inherited from W42 — Exposure to noise

7th Character

S - sequela

Inherited from W42 — Exposure to noise

More Specific Codes

3 codes under W42.9

Version History

How W42.9 appears in each release imported from the official files, newest first.

  1. FY 2027 Effective

    Current

    Exposure to other noise

  2. FY 2026 Effective

    Unchanged

    Exposure to other noise

Related Codes

Other codes under W42

Data Source

Code information on this page is derived from the FY 2027 ICD-10-CM files published by CDC NCHS and CMS.

Release
FY 2027
Effective
Source file
icd10cm-code-descriptions-2027.zip

Official ICD-10-CM source files (opens in a new tab)

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