Is W94 a billable code?
No. W94 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
W94: Exposure to high and low air pressure and changes in air pressure
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
W94 groups related diagnoses under exposure to high and low air pressure and changes in air pressure. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
W94 questions
What does W94 mean?
W94 is the ICD-10-CM code for Exposure to high and low air pressure and changes in air pressure. 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.