W94: Exposure to high and low air pressure and changes in air pressure sevenChrNote The appropriate 7th character is to be added to each code from category W94 sevenChrDef A: initial encounter D: subsequent encounter S: sequela |
| W94.0: Exposure to prolonged high air pressure |
| W94.1: Exposure to prolonged low air pressure |
| W94.2: Exposure to rapid changes in air pressure during ascent |
| W94.3: Exposure to rapid changes in air pressure during descent |