W94

Non-Billable

Exposure to high and low air pressure and changes in air pressure

W94 should not be used for reimbursement purposes as there are multiple sub-diagnoses that fall under this code. Please refer to the sub-diagnoses below.

Related Diagnoses

  • W94.0Exposure to prolonged high air pressure
    • W94.0XXAExposure to prolonged high air pressure, initial encounter
    • W94.0XXDExposure to prolonged high air pressure, subsequent encounter
    • W94.0XXSExposure to prolonged high air pressure, sequela
  • W94.1Exposure to prolonged low air pressure
    • W94.11Exposure to residence or prolonged visit at high altitude
      • W94.11XAExposure to residence or prolonged visit at high altitude, initial encounter
      • W94.11XDExposure to residence or prolonged visit at high altitude, subsequent encounter
      • W94.11XSExposure to residence or prolonged visit at high altitude, sequela
    • W94.12Exposure to other prolonged low air pressure
      • W94.12XAExposure to other prolonged low air pressure, initial encounter
      • W94.12XDExposure to other prolonged low air pressure, subsequent encounter
      • W94.12XSExposure to other prolonged low air pressure, sequela
  • W94.2Exposure to rapid changes in air pressure during ascent
    • W94.21Exposure to reduction in atmospheric pressure while surfacing from deep-water diving
      • W94.21XAExposure to reduction in atmospheric pressure while surfacing from deep-water diving, initial encounter
      • W94.21XDExposure to reduction in atmospheric pressure while surfacing from deep-water diving, subsequent encounter
      • W94.21XSExposure to reduction in atmospheric pressure while surfacing from deep-water diving, sequela
    • W94.22Exposure to reduction in atmospheric pressure while surfacing from underground
      • W94.22XAExposure to reduction in atmospheric pressure while surfacing from underground, initial encounter
      • W94.22XDExposure to reduction in atmospheric pressure while surfacing from underground, subsequent encounter
      • W94.22XSExposure to reduction in atmospheric pressure while surfacing from underground, sequela
    • W94.23Exposure to sudden change in air pressure in aircraft during ascent
      • W94.23XAExposure to sudden change in air pressure in aircraft during ascent, initial encounter
      • W94.23XDExposure to sudden change in air pressure in aircraft during ascent, subsequent encounter
      • W94.23XSExposure to sudden change in air pressure in aircraft during ascent, sequela
    • W94.29Exposure to other rapid changes in air pressure during ascent
      • W94.29XAExposure to other rapid changes in air pressure during ascent, initial encounter
      • W94.29XDExposure to other rapid changes in air pressure during ascent, subsequent encounter
      • W94.29XSExposure to other rapid changes in air pressure during ascent, sequela
  • W94.3Exposure to rapid changes in air pressure during descent
    • W94.31Exposure to sudden change in air pressure in aircraft during descent
      • W94.31XAExposure to sudden change in air pressure in aircraft during descent, initial encounter
      • W94.31XDExposure to sudden change in air pressure in aircraft during descent, subsequent encounter
      • W94.31XSExposure to sudden change in air pressure in aircraft during descent, sequela
    • W94.32Exposure to high air pressure from rapid descent in water
      • W94.32XAExposure to high air pressure from rapid descent in water, initial encounter
      • W94.32XDExposure to high air pressure from rapid descent in water, subsequent encounter
      • W94.32XSExposure to high air pressure from rapid descent in water, sequela
    • W94.39Exposure to other rapid changes in air pressure during descent
      • W94.39XAExposure to other rapid changes in air pressure during descent, initial encounter
      • W94.39XDExposure to other rapid changes in air pressure during descent, subsequent encounter
      • W94.39XSExposure to other rapid changes in air pressure during descent, sequela