Is W42 a billable code?
No. W42 is a header code that groups 0 more specific codes. Use one of the billable codes listed on this page instead.
ICD-10-CM FY2027 diagnosis code
W42: Exposure to noise
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
W42 groups related diagnoses under exposure to noise. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
W42 questions
What does W42 mean?
W42 is the ICD-10-CM code for Exposure to noise. It is in chapter 21, External causes of morbidity (V00-Y99).
Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.