Category W94
Exposure to high and low air pressure and changes in air pressure
Clinical Classification Guidelines
7th Character Requirement
- The appropriate 7th character is to be added to each code from category W94
Specific Diagnosis Codes
Exposure to prolonged high air pressure
W94.0
Exposure to prolonged low air pressure
W94.1
Exposure to residence or prolonged visit at high altitude
W94.11
Exposure to other prolonged low air pressure
W94.12
Exposure to rapid changes in air pressure during ascent
W94.2
Exposure to reduction in atmospheric pressure while surfacing from deep-water diving
W94.21
Exposure to reduction in atmospheric pressure while surfacing from underground
W94.22
Exposure to sudden change in air pressure in aircraft during ascent
W94.23
Exposure to other rapid changes in air pressure during ascent
W94.29
Exposure to rapid changes in air pressure during descent
W94.3
Exposure to sudden change in air pressure in aircraft during descent
W94.31
Exposure to high air pressure from rapid descent in water
W94.32
Exposure to other rapid changes in air pressure during descent
W94.39
