All ICD10 Codes
Chapter 20

V00–Y99: External Causes of Morbidity

External Causes of Morbidity diagnostic classification updated for 2026.

All CodesBillable Only
Internal Codes
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  • W93.01—

    Contact with dry ice

  • W93.01XA—

    Contact with dry ice, initial encounter

  • W93.01XD—

    Contact with dry ice, subsequent encounter

  • W93.01XS—

    Contact with dry ice, sequela

  • W93.02—

    Inhalation of dry ice

  • W93.02XA—

    Inhalation of dry ice, initial encounter

  • W93.02XD—

    Inhalation of dry ice, subsequent encounter

  • W93.02XS—

    Inhalation of dry ice, sequela

  • W93.11—

    Contact with liquid air

  • W93.11XA—

    Contact with liquid air, initial encounter

  • W93.11XD—

    Contact with liquid air, subsequent encounter

  • W93.11XS—

    Contact with liquid air, sequela

  • W93.12—

    Inhalation of liquid air

  • W93.12XA—

    Inhalation of liquid air, initial encounter

  • W93.12XD—

    Inhalation of liquid air, subsequent encounter

  • W93.12XS—

    Inhalation of liquid air, sequela

  • W93.2—

    Prolonged exposure in deep freeze unit or refrigerator

  • W93.2XXA—

    Prolonged exposure in deep freeze unit or refrigerator, initial encounter

  • W93.2XXD—

    Prolonged exposure in deep freeze unit or refrigerator, subsequent encounter

  • W93.2XXS—

    Prolonged exposure in deep freeze unit or refrigerator, sequela

  • W93.8—

    Exposure to other excessive cold of man-made origin

  • W93.8XXA—

    Exposure to other excessive cold of man-made origin, initial encounter

  • W93.8XXD—

    Exposure to other excessive cold of man-made origin, subsequent encounter

  • W93.8XXS—

    Exposure to other excessive cold of man-made origin, sequela

  • 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, subsequent encounter

  • W94.0XXS—

    Exposure to prolonged high air pressure, sequela

  • W94.11—

    Exposure to residence or prolonged visit at high altitude

  • W94.11XA—

    Exposure to residence or prolonged visit at high altitude, initial encounter

  • W94.11XD—

    Exposure to residence or prolonged visit at high altitude, subsequent encounter

  • W94.11XS—

    Exposure to residence or prolonged visit at high altitude, sequela

  • W94.12—

    Exposure to other prolonged low air pressure

  • W94.12XA—

    Exposure to other prolonged low air pressure, initial encounter

  • W94.12XD—

    Exposure to other prolonged low air pressure, subsequent encounter

  • W94.12XS—

    Exposure to other prolonged low air pressure, sequela

  • W94.21—

    Exposure to reduction in atmospheric pressure while surfacing from deep-water diving

  • W94.21XA—

    Exposure to reduction in atmospheric pressure while surfacing from deep-water diving, initial encounter

  • W94.21XD—

    Exposure to reduction in atmospheric pressure while surfacing from deep-water diving, subsequent encounter

  • W94.21XS—

    Exposure to reduction in atmospheric pressure while surfacing from deep-water diving, sequela

  • W94.22—

    Exposure to reduction in atmospheric pressure while surfacing from underground

  • W94.22XA—

    Exposure to reduction in atmospheric pressure while surfacing from underground, initial encounter

  • W94.22XD—

    Exposure to reduction in atmospheric pressure while surfacing from underground, subsequent encounter

  • W94.22XS—

    Exposure to reduction in atmospheric pressure while surfacing from underground, sequela

  • W94.23—

    Exposure to sudden change in air pressure in aircraft during ascent

  • W94.23XA—

    Exposure to sudden change in air pressure in aircraft during ascent, initial encounter

  • W94.23XD—

    Exposure to sudden change in air pressure in aircraft during ascent, subsequent encounter

  • W94.23XS—

    Exposure to sudden change in air pressure in aircraft during ascent, sequela

  • W94.29—

    Exposure to other rapid changes in air pressure during ascent

  • W94.29XA—

    Exposure to other rapid changes in air pressure during ascent, initial encounter

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