ICD-10-CM · Chapter 20 · V00-Y99
W94 Exposure to high and low air pressure and changes in air pressure
Subcodes
Subcodes are listed below for reference. Detail pages are not available for chapters 11–22.
| Code | Description | Billable |
|---|---|---|
| W94..0 | Exposure to prolonged high air pressure | No |
| W94..1 | Exposure to prolonged low air pressure | No |
| W94..11 | Exposure to residence or prolonged visit at high altitude | No |
| W94..12 | Exposure to other prolonged low air pressure | No |
| W94..2 | Exposure to rapid changes in air pressure during ascent | No |
| W94..21 | Exposure to reduction in atmospheric pressure while surfacing from deep-water diving | No |
| W94..22 | Exposure to reduction in atmospheric pressure while surfacing from underground | No |
| W94..23 | Exposure to sudden change in air pressure in aircraft during ascent | No |
| W94..29 | Exposure to other rapid changes in air pressure during ascent | No |
| W94..3 | Exposure to rapid changes in air pressure during descent | No |
| W94..31 | Exposure to sudden change in air pressure in aircraft during descent | No |
| W94..32 | Exposure to high air pressure from rapid descent in water | No |
| W94..39 | Exposure to other rapid changes in air pressure during descent | No |
Last reviewed: September 2026