W94.1
Header — not billableExposure to prolonged low air pressure
The ICD-10 code for exposure to prolonged low air pressure is W94.1.
W94.1 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 2 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.
Related codes in this category
- W94.0Exposure to prolonged high air pressure
- W94.2Exposure to rapid changes in air pressure during ascentnon-billable header
- W94.3Exposure to rapid changes in air pressure during descentnon-billable header
- W94.1Exposure to prolonged low air pressurenon-billable header