All ICD10 Codes

W42.9

Billable
ChapterV00–Y99
Ranksubcategory
Official Description

Exposure to other noise

Metadata & Insights
  • •Billable/specific code (valid for reimbursement).
  • •Chapter 20: External Causes of Morbidity (V00-Y99).

Instructional Notes

Includes
  • Exposure to sound waves NOS
General instructions are available for the parent sections:
View W20-W49 Notes

Clinical Hierarchy

BillableHas subcodes
CH20External causes of morbidity (V00-Y99)
W20-W49Exposure to inanimate mechanical forces (W20-W49)
W42Exposure to noise
W42.9Exposure to other noiseBillable
W42.9XXAExposure to other noise, initial encounterBillable
W42.9XXDExposure to other noise, subsequent encounterBillable
W42.9XXSExposure to other noise, sequelaBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to W42.9:

blockW20-W49
Exposure to inanimate mechanical forces (W20-W49)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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