ICD-10-CM Code W94: Exposure to high and low air pressure and changes in air pressure and Related Diagnosis Codes.


The ICD-10-CM (the International Classification of Diseases, Tenth Revision, Clinical Modification) is a standardized coding system used when classifying diseases and medical conditions. Healthcare providers report these codes on Medical claims when diagnosing patient care.

Explore ICD-10-CM codes, organized by chapters based on body systems and medical conditions, as outlined in the International Classification of Diseases, Tenth Revision, Clinical Modification.

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A categorized list of ICD-10-CM codes organized by chapters based on body systems or medical conditions, according to the International Classification of Diseases, Tenth Revision, Clinical Modification.

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  • W94 - Exposure to high and low air pressure 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, subsequent encounter
      • 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 - 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
    • W94.2 - Exposure to rapid changes in air pressure during ascent
      • 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
        • W94.29XD - Exposure to other rapid changes in air pressure during ascent, subsequent encounter
        • W94.29XS - Exposure to other rapid changes in air pressure during ascent, sequela
    • W94.3 - Exposure to rapid changes in air pressure during descent
      • W94.31 - Exposure to sudden change in air pressure in aircraft during descent
        • W94.31XA - Exposure to sudden change in air pressure in aircraft during descent, initial encounter
        • W94.31XD - Exposure to sudden change in air pressure in aircraft during descent, subsequent encounter
        • W94.31XS - Exposure to sudden change in air pressure in aircraft during descent, sequela
      • W94.32 - Exposure to high air pressure from rapid descent in water
        • W94.32XA - Exposure to high air pressure from rapid descent in water, initial encounter
        • W94.32XD - Exposure to high air pressure from rapid descent in water, subsequent encounter
        • W94.32XS - Exposure to high air pressure from rapid descent in water, sequela
      • W94.39 - Exposure to other rapid changes in air pressure during descent
        • W94.39XA - Exposure to other rapid changes in air pressure during descent, initial encounter
        • W94.39XD - Exposure to other rapid changes in air pressure during descent, subsequent encounter
        • W94.39XS - Exposure to other rapid changes in air pressure during descent, sequela

Note: The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) codes are developed and maintained by the Centers for Disease Control and Prevention (CDC). CDC's National Center for Health Statistics (NCHS) is responsible for the clinical modification of ICD-10 for use in the United States. The World Health Organization (WHO), which owns and publishes ICD-10, authorized NCHS to develop ICD-10-CM. All modifications to ICD-10 must conform to WHO's established ICD structure and conventions. All rights are reserved by the respective entities.