Exposure to high and low air pressure and changes in air pressure (W94)

External causes of morbidity and mortality
- Exposure to electric current, radiation and extreme ambient air temperature and pressure (W85-W99)
  - - W94 - Expsr to high and low air pressr and changes in air pressure
    - W94.0 - Exposure to prolonged high air pressure
    - W94.0XXA - Exposure to prolonged high air pressure, initial encounter
    - W94.0XXD - Exposure to prolonged high air pressure, subs encntr
    - W94.0XXS - Exposure to prolonged high air pressure, sequela
    - W94.1 - Exposure to prolonged low air pressure
    - W94.11 - Exposure to residence or prolonged visit at high altitude
    - W94.11XA - Expsr to resdnce or prolonged visit at high altitude, init
    - W94.11XD - Expsr to resdnce or prolonged visit at high altitude, subs
    - W94.11XS - Expsr to resdnce or prolonged visit at high altitude, sqla
    - W94.12 - Exposure to other prolonged low air pressure
    - W94.12XA - Exposure to other prolonged low air pressure, init encntr
    - W94.12XD - Exposure to other prolonged low air pressure, subs encntr
    - W94.12XS - Exposure to other prolonged low air pressure, sequela
    - W94.2 - Exposure to rapid changes in air pressure during ascent
    - W94.21 - Expsr to rdct in atmos pressr while surfc from dp-watr div
    - W94.21XA - Expsr to rdct in atmos pressr wh surfc fr dp-watr div, init
    - W94.21XD - Expsr to rdct in atmos pressr wh surfc fr dp-watr div, subs
    - W94.21XS - Expsr to rdct in atmos pressr wh surfc fr dp-watr div, sqla
    - W94.22 - Expsr to rdct in atmos pressr while surfc from underground
    - W94.22XA - Expsr to rdct in atmos pressr wh surfc fr underground, init
    - W94.22XD - Expsr to rdct in atmos pressr wh surfc fr underground, subs
    - W94.22XS - Expsr to rdct in atmos pressr wh surfc fr underground, sqla
    - W94.23 - Exposure to chng in air pressure in aircraft during ascent
    - W94.23XA - Expsr to chng in air pressure in arcrft during ascent, init
    - W94.23XD - Expsr to chng in air pressure in arcrft during ascent, subs
    - W94.23XS - Expsr to chng in air pressr in arcrft during ascent, sequela
    - W94.29 - Exposure to oth rapid changes in air pressure during ascent
    - W94.29XA - Expsr to oth rapid changes in air pressr during ascent, init
    - W94.29XD - Expsr to oth rapid changes in air pressr during ascent, subs
    - W94.29XS - Expsr to oth rapid changes in air pressr during ascent, sqla
    - W94.3 - Exposure to rapid changes in air pressure during descent
    - W94.31 - Exposure to chng in air pressure in aircraft during descent
    - W94.31XA - Expsr to chng in air pressure in arcrft during descent, init
    - W94.31XD - Expsr to chng in air pressure in arcrft during descent, subs
    - W94.31XS - Expsr to chng in air pressr in arcrft during descent, sqla
    - W94.32 - Exposure to high air pressure from rapid descent in water
    - W94.32XA - Expsr to high air pressure from rapid descent in water, init
    - W94.32XD - Expsr to high air pressure from rapid descent in water, subs
    - W94.32XS - Expsr to high air pressr from rapid descent in water, sqla
    - W94.39 - Exposure to oth rapid changes in air pressure during descent
    - W94.39XA - Expsr to oth rapid changes in air pressr dur descent, init
    - W94.39XD - Expsr to oth rapid changes in air pressr dur descent, subs
    - W94.39XS - Expsr to oth rapid changes in air pressr dur descent, sqla

External causes of morbidity and mortality