W94.2
Header — not billableExposure to rapid changes in air pressure during ascent
The ICD-10 code for exposure to rapid changes in air pressure during ascent is W94.2.
W94.2 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 4 more specific codes below.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This is a non-billable header code. Documentation must support a more specific child code before this diagnosis can be reported on a claim.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Child codes under W94.2
- W94.21Exposure to reduction in atmospheric pressure while surfacing from deep-water diving
- W94.22Exposure to reduction in atmospheric pressure while surfacing from underground
- W94.23Exposure to sudden change in air pressure in aircraft during ascent
- W94.29Exposure to other rapid changes in air pressure during ascent
Related codes in this category
- W94.0Exposure to prolonged high air pressure
- W94.1Exposure to prolonged low air pressurenon-billable header
- W94.3Exposure to rapid changes in air pressure during descentnon-billable header
- W94.2Exposure to rapid changes in air pressure during ascentnon-billable header