ICD-10-CM Book 2026 Edition

Chapters  /  Chapter 20  /  W85-W99

Exposure to electric current, radiation and extreme ambient air temperature and pressure (W85-W99)

Excludes1: 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)
W85 Exposure to electric transmission lines
Broken power line
char7Note The appropriate 7th character is to be added to code W85
char7Def A: initial encounter
D: subsequent encounter
S: sequela
W86 Exposure to other specified electric current
char7Note The appropriate 7th character is to be added to each code from category W86
char7Def A: initial encounter
D: subsequent encounter
S: sequela
W86.0 Exposure to domestic wiring and appliances
W86.1 Exposure to industrial wiring, appliances and electrical machinery
Exposure to conductors
Exposure to control apparatus
Exposure to electrical equipment and machinery
Exposure to transformers
W86.8 Exposure to other electric current
Exposure to wiring and appliances in or on farm (not farmhouse)
Exposure to wiring and appliances outdoors
Exposure to wiring and appliances in or on public building
Exposure to wiring and appliances in or on residential institutions
Exposure to wiring and appliances in or on schools
W88 Exposure to ionizing radiation
Excludes1 exposure to sunlight (X32)
char7Note The appropriate 7th character is to be added to each code from category W88
char7Def A: initial encounter
D: subsequent encounter
S: sequela
W88.0 Exposure to X-rays
W88.1 Exposure to radioactive isotopes
W88.8 Exposure to other ionizing radiation
W89 Exposure to man-made visible and ultraviolet light
Includes exposure to welding light (arc)
Excludes2 exposure to sunlight (X32)
char7Note The appropriate 7th character is to be added to each code from category W89
char7Def A: initial encounter
D: subsequent encounter
S: sequela
W89.0 Exposure to welding light (arc)
W89.1 Exposure to tanning bed
W89.8 Exposure to other man-made visible and ultraviolet light
W89.9 Exposure to unspecified man-made visible and ultraviolet light
W90 Exposure to other nonionizing radiation
Excludes2 exposure to sunlight (X32)
char7Note The appropriate 7th character is to be added to each code from category W90
char7Def A: initial encounter
D: subsequent encounter
S: sequela
W90.0 Exposure to radiofrequency
W90.1 Exposure to infrared radiation
W90.2 Exposure to laser radiation
W90.8 Exposure to other nonionizing radiation
W92 Exposure to excessive heat of man-made origin
char7Note The appropriate 7th character is to be added to code W92
char7Def A: initial encounter
D: subsequent encounter
S: sequela
W93 Exposure to excessive cold of man-made origin
char7Note The appropriate 7th character is to be added to each code from category W93
char7Def A: initial encounter
D: subsequent encounter
S: sequela
W93.0 Contact with or inhalation of dry ice
W93.01 Contact with dry ice
W93.02 Inhalation of dry ice
W93.1 Contact with or inhalation of liquid air
W93.11 Contact with liquid air
Contact with liquid hydrogen
Contact with liquid nitrogen
W93.12 Inhalation of liquid air
Inhalation of liquid hydrogen
Inhalation of liquid nitrogen
W93.2 Prolonged exposure in deep freeze unit or refrigerator
W93.8 Exposure to other excessive cold of man-made origin
W94 Exposure to high and low air pressure and changes in air pressure
char7Note The appropriate 7th character is to be added to each code from category W94
char7Def A: initial encounter
D: subsequent encounter
S: sequela
W94.0 Exposure to prolonged high air pressure
W94.1 Exposure to prolonged low air pressure
W94.11 Exposure to residence or prolonged visit at high altitude
W94.12 Exposure to other prolonged low air pressure
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
W94.22 Exposure to reduction in atmospheric pressure while surfacing from underground
W94.23 Exposure to sudden change in air pressure in aircraft during ascent
W94.29 Exposure to other rapid changes in air pressure during ascent
W94.3 Exposure to rapid changes in air pressure during descent
W94.31 Exposure to sudden change in air pressure in aircraft during descent
W94.32 Exposure to high air pressure from rapid descent in water
W94.39 Exposure to other rapid changes in air pressure during descent
W99 Exposure to other man-made environmental factors
char7Note The appropriate 7th character is to be added to code W99
char7Def A: initial encounter
D: subsequent encounter
S: sequela