W94.0

ICD-10Non-billable category

Exposure to prolonged high air pressure

Official ICD-10-CM descriptor (FY2026)

Exposure to prolonged high air pressure

W94.0 is a category heading, not a billable code. CMS does not accept it on a claim; report one of the more specific codes beneath it.

Related codes in W94

Where this code sits

Chapter: 20. External causes of morbidity (V00-Y99)
Block: Exposure to electric current, radiation and extreme ambient air temperature and pressure (W85-W99)
Parent code: W94

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Source

ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.