Chapter 20
External causes of morbidity
V00–Y99
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FY 2027 effective October 1, 2026 · 273 categories in this chapter
Blocks in This Chapter
ICD-10-CM groups this chapter's categories into 30 blocks of three-character categories.
- V00 –V09 Pedestrian injured in transport accident
- V10 –V19 Pedal cycle rider injured in transport accident
- V20 –V29 Motorcycle rider injured in transport accident
- V30 –V39 Occupant of three-wheeled motor vehicle injured in transport accident
- V40 –V49 Car occupant injured in transport accident
- V50 –V59 Occupant of pick-up truck or van injured in transport accident
- V60 –V69 Occupant of heavy transport vehicle injured in transport accident
- V70 –V79 Bus occupant injured in transport accident
- V80 –V89 Other land transport accidents
- V90 –V94 Water transport accidents
- V95 –V97 Air and space transport accidents
- V98 –V99 Other and unspecified transport accidents
- W00 –W19 Slipping, tripping, stumbling and falls
- W20 –W49 Exposure to inanimate mechanical forces
- W50 –W64 Exposure to animate mechanical forces
- W65 –W74 Accidental non-transport drowning and submersion
- W85 –W99 Exposure to electric current, radiation and extreme ambient air temperature and pressure
- X00 –X08 Exposure to smoke, fire and flames
- X10 –X19 Contact with heat and hot substances
- X30 –X39 Exposure to forces of nature
- X50 Overexertion and strenuous or repetitive movements
- X52 –X58 Accidental exposure to other specified factors
- X71 –X83 Intentional self-harm
- X92 –Y09 Assault
- Y21 –Y33 Event of undetermined intent
- Y35 –Y38 Legal intervention, operations of war, military operations, and terrorism
- Y62 –Y69 Misadventures to patients during surgical and medical care
- Y70 –Y82 Medical devices associated with adverse incidents in diagnostic and therapeutic use
- Y83 –Y84 Surgical and other medical procedures as the cause of abnormal reaction of the patient, or of later complication, without mention of misadventure at the time of the procedure
- Y90 –Y99 Supplementary factors related to causes of morbidity classified elsewhere
Categories
Slipping, tripping, stumbling and falls (W00-W19)
- W03 Other fall on same level due to collision with another person Has subcategories
- W04 Fall while being carried or supported by other persons Has subcategories
- W05 Fall from non-moving wheelchair, nonmotorized scooter and motorized mobility scooter Has subcategories
- W06 Fall from bed Has subcategories
- W07 Fall from chair Has subcategories
- W08 Fall from other furniture Has subcategories
- W09 Fall on and from playground equipment Has subcategories
- W10 Fall on and from stairs and steps Has subcategories
- W11 Fall on and from ladder Has subcategories
- W12 Fall on and from scaffolding Has subcategories
- W13 Fall from, out of or through building or structure Has subcategories
- W14 Fall from tree Has subcategories
- W15 Fall from cliff Has subcategories
- W16 Fall, jump or diving into water Has subcategories
- W17 Other fall from one level to another Has subcategories
- W18 Other slipping, tripping and stumbling and falls Has subcategories
- W19 Unspecified fall Has subcategories
Exposure to inanimate mechanical forces (W20-W49)
- W20 Struck by thrown, projected or falling object Has subcategories
- W21 Striking against or struck by sports equipment Has subcategories
- W22 Striking against or struck by other objects Has subcategories
- W23 Caught, crushed, jammed or pinched in or between objects Has subcategories
- W24 Contact with lifting and transmission devices, not elsewhere classified Has subcategories
- W25 Contact with sharp glass Has subcategories
- W26 Contact with other sharp objects Has subcategories
- W27 Contact with nonpowered hand tool Has subcategories
- W28 Contact with powered lawn mower Has subcategories
- W29 Contact with other powered hand tools and household machinery Has subcategories
- W30 Contact with agricultural machinery Has subcategories
- W31 Contact with other and unspecified machinery Has subcategories
- W32 Accidental handgun discharge and malfunction Has subcategories
- W33 Accidental rifle, shotgun and larger firearm discharge and malfunction Has subcategories
- W34 Accidental discharge and malfunction from other and unspecified firearms and guns Has subcategories
- W35 Explosion and rupture of boiler Has subcategories
- W36 Explosion and rupture of gas cylinder Has subcategories
- W37 Explosion and rupture of pressurized tire, pipe or hose Has subcategories
- W38 Explosion and rupture of other specified pressurized devices Has subcategories
- W39 Discharge of firework Has subcategories
- W40 Explosion of other materials Has subcategories
- W42 Exposure to noise Has subcategories
- W44 Foreign body entering into or through a natural orifice Has subcategories
- W45 Foreign body or object entering through skin Has subcategories
- W46 Contact with hypodermic needle Has subcategories
- W49 Exposure to other inanimate mechanical forces Has subcategories
Exposure to animate mechanical forces (W50-W64)
- W50 Accidental hit, strike, kick, twist, bite or scratch by another person Has subcategories
- W51 Accidental striking against or bumped into by another person Has subcategories
- W52 Crushed, pushed or stepped on by crowd or human stampede Has subcategories
- W53 Contact with rodent Has subcategories
- W54 Contact with dog Has subcategories
- W55 Contact with other mammals Has subcategories
- W56 Contact with nonvenomous marine animal Has subcategories
- W57 Bitten or stung by nonvenomous insect and other nonvenomous arthropods Has subcategories
- W58 Contact with crocodile or alligator Has subcategories
- W59 Contact with other nonvenomous reptiles Has subcategories
- W60 Contact with nonvenomous plant thorns and spines and sharp leaves Has subcategories
- W61 Contact with birds (domestic) (wild) Has subcategories
- W62 Contact with nonvenomous amphibians Has subcategories
- W64 Exposure to other animate mechanical forces Has subcategories
Accidental non-transport drowning and submersion (W65-W74)
- W65 Accidental drowning and submersion while in bath-tub Has subcategories
- W67 Accidental drowning and submersion while in swimming-pool Has subcategories
- W69 Accidental drowning and submersion while in natural water Has subcategories
- W73 Other specified cause of accidental non-transport drowning and submersion Has subcategories
- W74 Unspecified cause of accidental drowning and submersion Has subcategories
Exposure to electric current, radiation and extreme ambient air temperature and pressure (W85-W99)
- W85 Exposure to electric transmission lines Has subcategories
- W86 Exposure to other specified electric current Has subcategories
- W88 Exposure to ionizing radiation Has subcategories
- W89 Exposure to man-made visible and ultraviolet light Has subcategories
- W90 Exposure to other nonionizing radiation Has subcategories
- W92 Exposure to excessive heat of man-made origin Has subcategories
- W93 Exposure to excessive cold of man-made origin Has subcategories
- W94 Exposure to high and low air pressure and changes in air pressure Has subcategories
- W99 Exposure to other man-made environmental factors Has subcategories
Exposure to smoke, fire and flames (X00-X08)
- X00 Exposure to uncontrolled fire in building or structure Has subcategories
- X01 Exposure to uncontrolled fire, not in building or structure Has subcategories
- X02 Exposure to controlled fire in building or structure Has subcategories
- X03 Exposure to controlled fire, not in building or structure Has subcategories
- X04 Exposure to ignition of highly flammable material Has subcategories
- X05 Exposure to ignition or melting of nightwear Has subcategories
- X06 Exposure to ignition or melting of other clothing and apparel Has subcategories
- X08 Exposure to other specified smoke, fire and flames Has subcategories
Contact with heat and hot substances (X10-X19)
- X10 Contact with hot drinks, food, fats and cooking oils Has subcategories
- X11 Contact with hot tap-water Has subcategories
- X12 Contact with other hot fluids Has subcategories
- X13 Contact with steam and other hot vapors Has subcategories
- X14 Contact with hot air and other hot gases Has subcategories
- X15 Contact with hot household appliances Has subcategories
- X16 Contact with hot heating appliances, radiators and pipes Has subcategories
- X17 Contact with hot engines, machinery and tools Has subcategories
- X18 Contact with other hot metals Has subcategories
- X19 Contact with other heat and hot substances Has subcategories
Exposure to forces of nature (X30-X39)
- X30 Exposure to excessive natural heat Has subcategories
- X31 Exposure to excessive natural cold Has subcategories
- X32 Exposure to sunlight Has subcategories
- X34 Earthquake Has subcategories
- X35 Volcanic eruption Has subcategories
- X36 Avalanche, landslide and other earth movements Has subcategories
- X37 Cataclysmic storm Has subcategories
- X38 Flood Has subcategories
- X39 Exposure to other forces of nature Has subcategories