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W94.112026

Billable

Exposure to residence or prolonged visit at high altitude

W94.11 is a billable ICD-10-CM diagnosis code for Exposure to residence or prolonged visit at high altitude, effective for the FY2026 code set.

Clinical Notes

    From W85-W99
    • Exposure to:
    • Failure in dosage of radiation or temperature during surgical and medical care (Y63.2-Y63.5)
    • Lightning (T75.0-)
    • Natural cold (X31)
    • Natural heat (X30)
    • Natural radiation NOS (X39)
    • Radiological procedure and radiotherapy (Y84.2)
    • Sunlight (X32)

    Frequently Asked Questions

    Code Hierarchy
    W94
    Exposure to high and low air pressure and changes in air pressure
    W94.0
    ...prolonged high air pressure
    W94.1
    ...prolonged low air pressure
    W94.11
    ...residence or prolonged visit at high altitude
    W94.12
    ...other prolonged low air pressure
    W94.2
    ...rapid changes in air pressure during ascent
    W94.3
    ...rapid changes in air pressure during descent

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    Official Guidelines
    Chapter 20: External Causes of Morbidity

    Official coding guidelines for V00-Y99

    Exposure to residence or prolonged visit at high altitude - ICD-10 Code W94.11 | FindICD10