W00
Fall due to ice and snow
Chapter 20: External causes of morbidity (V00-Y99)
682 codes in this range
Fall due to ice and snow
Fall on same level due to ice and snow
Fall from stairs and steps due to ice and snow
Other fall from one level to another due to ice and snow
Unspecified fall due to ice and snow
Fall on same level from slipping, tripping and stumbling
Fall on same level from slipping, tripping and stumbling without subsequent striking against object
Fall on same level from slipping, tripping and stumbling with subsequent striking against object
Fall on same level from slipping, tripping and stumbling with subsequent striking against unspecified object
Fall on same level from slipping, tripping and stumbling with subsequent striking against sharp object
Fall on same level from slipping, tripping and stumbling with subsequent striking against sharp glass
Fall on same level from slipping, tripping and stumbling with subsequent striking against power tool or machine
Fall on same level from slipping, tripping and stumbling with subsequent striking against other sharp object
Fall on same level from slipping, tripping and stumbling with subsequent striking against unspecified sharp object
Fall on same level from slipping, tripping and stumbling with subsequent striking against other object
Fall on same level from slipping, tripping and stumbling with subsequent striking against furniture
Fall on same level from slipping, tripping and stumbling with subsequent striking against other object
Other fall on same level due to collision with another person
Fall while being carried or supported by other persons
Fall from non-moving wheelchair, nonmotorized scooter and motorized mobility scooter
Fall from non-moving wheelchair
Fall from non-moving nonmotorized scooter
Fall from non-moving motorized mobility scooter
Fall from bed
Fall from chair
Fall from other furniture
Fall on and from playground equipment
Fall on or from playground slide
Fall from playground swing
Fall on or from jungle gym
Fall on or from other playground equipment
Fall on and from stairs and steps
Fall (on)(from) escalator
Fall (on)(from) sidewalk curb
Fall (on)(from) incline
Fall (on) (from) other stairs and steps
Fall (on) (from) unspecified stairs and steps
Fall on and from ladder
Fall on and from scaffolding
Fall from, out of or through building or structure
Fall from, out of or through balcony
Fall from, out of or through bridge
Fall from, out of or through roof
Fall through floor
Fall from, out of or through window
Fall from, out of or through other building or structure
Fall from, out of or through building, not otherwise specified
Fall from tree
Fall from cliff
Fall, jump or diving into water
Fall into swimming pool
Fall into swimming pool striking water surface
Fall into swimming pool striking water surface causing drowning and submersion
Fall into swimming pool striking water surface causing other injury
Fall into swimming pool striking bottom
Fall into swimming pool striking bottom causing drowning and submersion
Fall into swimming pool striking bottom causing other injury
Fall into swimming pool striking wall
Fall into swimming pool striking wall causing drowning and submersion
Fall into swimming pool striking wall causing other injury
Fall into natural body of water
Fall into natural body of water striking water surface
Fall into natural body of water striking water surface causing drowning and submersion
Fall into natural body of water striking water surface causing other injury
Fall into natural body of water striking bottom
Fall into natural body of water striking bottom causing drowning and submersion
Fall into natural body of water striking bottom causing other injury
Fall into natural body of water striking side
Fall into natural body of water striking side causing drowning and submersion
Fall into natural body of water striking side causing other injury
Fall in (into) filled bathtub or bucket of water
Fall in (into) filled bathtub
Fall in (into) filled bathtub causing drowning and submersion
Fall in (into) filled bathtub causing other injury
Fall in (into) bucket of water
Fall in (into) bucket of water causing drowning and submersion
Fall in (into) bucket of water causing other injury
Fall into other water
Fall into other water striking water surface
Fall into other water striking water surface causing drowning and submersion
Fall into other water striking water surface causing other injury
Fall into other water striking bottom
Fall into other water striking bottom causing drowning and submersion
Fall into other water striking bottom causing other injury
Fall into other water striking wall
Fall into other water striking wall causing drowning and submersion
Fall into other water striking wall causing other injury
Fall into unspecified water
Fall into unspecified water causing drowning and submersion
Fall into unspecified water causing other injury
Jumping or diving into swimming pool
Jumping or diving into swimming pool striking water surface
Jumping or diving into swimming pool striking water surface causing drowning and submersion
Jumping or diving into swimming pool striking water surface causing other injury
Jumping or diving into swimming pool striking bottom
Jumping or diving into swimming pool striking bottom causing drowning and submersion
Jumping or diving into swimming pool striking bottom causing other injury
Jumping or diving into swimming pool striking wall
Jumping or diving into swimming pool striking wall causing drowning and submersion
Jumping or diving into swimming pool striking wall causing other injury
Jumping or diving into natural body of water
Jumping or diving into natural body of water striking water surface
Jumping or diving into natural body of water striking water surface causing drowning and submersion
Jumping or diving into natural body of water striking water surface causing other injury
Jumping or diving into natural body of water striking bottom
Jumping or diving into natural body of water striking bottom causing drowning and submersion
Jumping or diving into natural body of water striking bottom causing other injury
Jumping or diving from boat
Jumping or diving from boat striking water surface
Jumping or diving from boat striking water surface causing drowning and submersion
Jumping or diving from boat striking water surface causing other injury
Jumping or diving from boat striking bottom
Jumping or diving from boat striking bottom causing drowning and submersion
Jumping or diving from boat striking bottom causing other injury
Jumping or diving into other water
Jumping or diving into other water striking water surface
Jumping or diving into other water striking water surface causing drowning and submersion
Jumping or diving into other water striking water surface causing other injury
Jumping or diving into other water striking bottom
Jumping or diving into other water striking bottom causing drowning and submersion
Jumping or diving into other water striking bottom causing other injury
Jumping or diving into other water striking wall
Jumping or diving into other water striking wall causing drowning and submersion
Jumping or diving into other water striking wall causing other injury
Jumping or diving into unspecified water
Jumping or diving into unspecified water causing drowning and submersion
Jumping or diving into unspecified water causing other injury
Other fall from one level to another
Fall into well
Fall into storm drain or manhole
Fall into hole
Fall into empty swimming pool
Fall from dock
Other fall from one level to another
Fall down embankment (hill)
Fall from (out of) grocery cart
Other fall from one level to another
Other slipping, tripping and stumbling and falls
Fall due to bumping against object
Striking against unspecified object with subsequent fall
Striking against sports equipment with subsequent fall
Striking against glass with subsequent fall
Striking against other object with subsequent fall
Fall from or off toilet
Fall from or off toilet without subsequent striking against object
Fall from or off toilet with subsequent striking against object
Fall in (into) shower or empty bathtub
Other and unspecified fall on same level
Fall on same level, unspecified
Fall on same level due to stepping on an object
Other fall on same level
Slipping, tripping and stumbling without falling
Slipping, tripping and stumbling without falling, unspecified
Slipping, tripping and stumbling without falling due to stepping on object
Slipping, tripping and stumbling without falling due to stepping into hole or opening
Slipping, tripping and stumbling without falling due to stepping from one level to another
Other slipping, tripping and stumbling without falling
Unspecified fall
Struck by thrown, projected or falling object
Struck by falling object in cave-in
Struck by object due to collapse of building
Other cause of strike by thrown, projected or falling object
Striking against or struck by sports equipment
Struck by hit or thrown ball
Struck by hit or thrown ball, unspecified type
Struck by football
Struck by soccer ball
Struck by baseball
Struck by golf ball
Struck by basketball
Struck by volleyball
Struck by softball
Struck by other hit or thrown ball
Struck by bat, racquet or club
Struck by baseball bat
Struck by tennis racquet
Struck by golf club
Struck by other bat, racquet or club
Struck by hockey stick or puck
Struck by hockey stick
Struck by ice hockey stick
Struck by field hockey stick
Struck by hockey puck
Struck by ice hockey puck
Struck by field hockey puck
Struck by sports foot wear
Struck by shoe cleats
Struck by skate blades
Struck by other sports foot wear
Striking against diving board
Striking against or struck by other sports equipment
Striking against or struck by football helmet
Striking against or struck by other sports equipment
Striking against or struck by unspecified sports equipment
Striking against or struck by other objects
Striking against stationary object
Walked into wall
Walked into lamppost
Walked into furniture
Striking against wall of swimming pool
Striking against wall of swimming pool causing drowning and submersion
Striking against wall of swimming pool causing other injury
Striking against other stationary object
Striking against or struck by automobile airbag
Striking against or struck by unspecified automobile airbag
Striking against or struck by driver side automobile airbag
Striking against or struck by front passenger side automobile airbag
Striking against or struck by other automobile airbag
Striking against or struck by other objects
Caught, crushed, jammed or pinched in or between objects
Caught, crushed, jammed, or pinched between moving objects
Caught, crushed, jammed, or pinched between stationary objects
Caught, crushed, jammed or pinched between a moving and stationary object
Contact with lifting and transmission devices, not elsewhere classified
Contact with lifting devices, not elsewhere classified
Contact with transmission devices, not elsewhere classified
Contact with sharp glass
Contact with other sharp objects
Contact with knife
Contact with sword or dagger
Contact with edge of stiff paper
Contact with other sharp object(s), not elsewhere classified
Contact with unspecified sharp object(s)
Contact with nonpowered hand tool
Contact with workbench tool
Contact with garden tool
Contact with scissors
Contact with needle (sewing)
Contact with kitchen utensil
Contact with paper-cutter
Contact with other nonpowered hand tool
Contact with powered lawn mower
Contact with other powered hand tools and household machinery
Contact with powered kitchen appliance
Contact with electric knife
Contact with other powered household machinery
Contact with powered garden and outdoor hand tools and machinery
Contact with nail gun
Contact with other powered hand tools and household machinery
Contact with agricultural machinery
Contact with combine harvester
Contact with power take-off devices (PTO)
Contact with hay derrick
Contact with grain storage elevator
Contact with other specified agricultural machinery
Contact with agricultural transport vehicle in stationary use
Contact with other specified agricultural machinery
Contact with unspecified agricultural machinery
Contact with other and unspecified machinery
Contact with mining and earth-drilling machinery
Contact with metalworking machines
Contact with powered woodworking and forming machines
Contact with prime movers
Contact with other specified machinery
Contact with recreational machinery
Contact with other commercial machinery
Contact with special construction vehicle in stationary use
Contact with other specified machinery
Contact with unspecified machinery
Accidental handgun discharge and malfunction
Accidental handgun discharge
Accidental handgun malfunction
Accidental rifle, shotgun and larger firearm discharge and malfunction
Accidental rifle, shotgun and larger firearm discharge
Accidental discharge of unspecified larger firearm
Accidental discharge of shotgun
Accidental discharge of hunting rifle
Accidental discharge of machine gun
Accidental discharge of other larger firearm
Accidental rifle, shotgun and larger firearm malfunction
Accidental malfunction of unspecified larger firearm
Accidental malfunction of shotgun
Accidental malfunction of hunting rifle
Accidental malfunction of machine gun
Accidental malfunction of other larger firearm
Accidental discharge and malfunction from other and unspecified firearms and guns
Accidental discharge from other and unspecified firearms and guns
Accidental discharge from unspecified firearms or gun
Accidental discharge of gas, air or spring-operated guns
Accidental discharge of airgun
Accidental discharge of paintball gun
Accidental discharge of other gas, air or spring-operated gun
Accidental discharge from other specified firearms
Accidental malfunction from other and unspecified firearms and guns
Accidental malfunction from unspecified firearms or gun
Accidental malfunction of gas, air or spring-operated guns
Accidental malfunction of airgun
Accidental malfunction of paintball gun
Accidental malfunction of other gas, air or spring-operated gun
Accidental malfunction from other specified firearms
Explosion and rupture of boiler
Explosion and rupture of gas cylinder
Explosion and rupture of aerosol can
Explosion and rupture of air tank
Explosion and rupture of pressurized-gas tank
Explosion and rupture of other gas cylinder
Explosion and rupture of unspecified gas cylinder
Explosion and rupture of pressurized tire, pipe or hose
Explosion of bicycle tire
Explosion and rupture of other pressurized tire, pipe or hose
Explosion and rupture of other specified pressurized devices
Discharge of firework
Explosion of other materials
Explosion of blasting material
Explosion of explosive gases
Explosion of other specified explosive materials
Explosion of unspecified explosive materials
Exposure to noise
Exposure to supersonic waves
Exposure to other noise
Foreign body entering into or through a natural orifice
Other foreign body entering into or through a natural orifice
Unspecified foreign body entering into or through a natural orifice
Battery entering into or through a natural orifice
Battery unspecified, entering into or through a natural orifice
Button battery entering into or through a natural orifice
Other batteries entering into or through a natural orifice
Plastic entering into or through a natural orifice
Plastic object unspecified, entering into or through a natural orifice
Plastic bead entering into or through a natural orifice
Plastic coin entering into or through a natural orifice
Plastic toy and toy part entering into or through a natural orifice
Plastic jewelry entering into or through a natural orifice
Plastic bottle entering into or through a natural orifice
Other plastic object entering into or through a natural orifice
Glass entering into or through a natural orifice
Glass unspecified, entering into or through a natural orifice
Sharp glass entering into or through a natural orifice
Intact glass entering into or through a natural orifice
Magnetic metal entering into or through a natural orifice
Magnetic metal object unspecified, entering into or through a natural orifice
Magnetic metal bead entering into or through a natural orifice
Magnetic metal coin entering into or through a natural orifice
Magnetic metal toy entering into or through a natural orifice
Magnetic metal jewelry entering into or through a natural orifice
Other magnetic metal objects entering into or through a natural orifice
Non-magnetic metal entering into or through a natural orifice
Non-magnetic metal object unspecified, entering into or through a natural orifice
Non-magnetic metal bead entering into or through a natural orifice
Non-magnetic metal coin entering into or through a natural orifice
Non-magnetic metal toy entering into or through a natural orifice
Non-magnetic metal jewelry entering into or through a natural orifice
Other non-magnetic metal objects entering into or through a natural orifice
Objects of natural or organic material entering into or through a natural orifice
Objects of natural or organic material unspecified, entering into or through a natural orifice
Bezoar entering into or through a natural orifice
Rubber band entering into or through a natural orifice
Food entering into or through a natural orifice
Insect entering into or through a natural orifice
Other object of natural or organic material, entering into or through a natural orifice
Other non-organic objects entering into or through a natural orifice
Other non-organic objects unspecified, entering into or through a natural orifice
Audio device entering into or through a natural orifice
Combination metal and plastic toy and toy part entering into or through natural orifice
Combination metal and plastic jewelry entering into or through a natural orifice
Other non-organic objects entering into or through a natural orifice
Other sharp object entering into or through a natural orifice
Other sharp object unspecified, entering into or through a natural orifice
Needle entering into or through a natural orifice
Knife, sword or dagger entering into or through a natural orifice
Foreign body or object entering through skin
Nail entering through skin
Other foreign body or object entering through skin
Contact with hypodermic needle
Contact with hypodermic needle
Contact with contaminated hypodermic needle
Exposure to other inanimate mechanical forces
Item causing external constriction
Hair causing external constriction
String or thread causing external constriction
Rubber band causing external constriction
Ring or other jewelry causing external constriction
Other specified item causing external constriction
Exposure to other inanimate mechanical forces
Accidental hit, strike, kick, twist, bite or scratch by another person
Accidental hit or strike by another person
Accidental kick by another person
Accidental twist by another person
Accidental bite by another person
Accidental scratch by another person
Accidental striking against or bumped into by another person
Crushed, pushed or stepped on by crowd or human stampede
Contact with rodent
Contact with mouse
Bitten by mouse
Other contact with mouse
Contact with rat
Bitten by rat
Other contact with rat
Contact with squirrel
Bitten by squirrel
Other contact with squirrel
Contact with other rodent
Bitten by other rodent
Other contact with other rodent
Contact with dog
Bitten by dog
Struck by dog
Other contact with dog
Contact with other mammals
Contact with cat
Bitten by cat
Scratched by cat
Other contact with cat
Contact with horse
Bitten by horse
Struck by horse
Other contact with horse
Contact with cow
Bitten by cow
Struck by cow
Other contact with cow
Contact with other hoof stock
Bitten by other hoof stock
Struck by other hoof stock
Other contact with other hoof stock
Contact with pig
Bitten by pig
Struck by pig
Other contact with pig
Contact with raccoon
Bitten by raccoon
Struck by raccoon
Other contact with raccoon
Contact with other mammals
Bitten by other mammals
Struck by other mammals
Other contact with other mammals
Contact with nonvenomous marine animal
Contact with dolphin
Bitten by dolphin
Struck by dolphin
Other contact with dolphin
Contact with sea lion
Bitten by sea lion
Struck by sea lion
Other contact with sea lion
Contact with orca
Bitten by orca
Struck by orca
Other contact with orca
Contact with other marine mammals
Bitten by other marine mammals
Struck by other marine mammals
Other contact with other marine mammals
Contact with shark
Bitten by shark
Struck by shark
Other contact with shark
Contact with other fish
Bitten by other fish
Struck by other fish
Other contact with other fish
Contact with other nonvenomous marine animals
Bitten by other nonvenomous marine animals
Struck by other nonvenomous marine animals
Other contact with other nonvenomous marine animals
Bitten or stung by nonvenomous insect and other nonvenomous arthropods
Contact with crocodile or alligator
Contact with alligator
Bitten by alligator
Struck by alligator
Crushed by alligator
Other contact with alligator
Contact with crocodile
Bitten by crocodile
Struck by crocodile
Crushed by crocodile
Other contact with crocodile
Contact with other nonvenomous reptiles
Contact with nonvenomous lizards
Bitten by nonvenomous lizards
Struck by nonvenomous lizards
Other contact with nonvenomous lizards
Contact with nonvenomous snakes
Bitten by nonvenomous snake
Struck by nonvenomous snake
Crushed by nonvenomous snake
Other contact with nonvenomous snake
Contact with turtles
Bitten by turtle
Struck by turtle
Other contact with turtle
Contact with other nonvenomous reptiles
Bitten by other nonvenomous reptiles
Struck by other nonvenomous reptiles
Crushed by other nonvenomous reptiles
Other contact with other nonvenomous reptiles
Contact with nonvenomous plant thorns and spines and sharp leaves
Contact with birds (domestic) (wild)
Contact with parrot
Bitten by parrot
Struck by parrot
Other contact with parrot
Contact with macaw
Bitten by macaw
Struck by macaw
Other contact with macaw
Contact with other psittacines
Bitten by other psittacines
Struck by other psittacines
Other contact with other psittacines
Contact with chicken
Struck by chicken
Pecked by chicken
Other contact with chicken
Contact with turkey
Struck by turkey
Pecked by turkey
Other contact with turkey
Contact with goose
Bitten by goose
Struck by goose
Other contact with goose
Contact with duck
Bitten by duck
Struck by duck
Other contact with duck
Contact with other birds
Bitten by other birds
Struck by other birds
Other contact with other birds
Contact with nonvenomous amphibians
Contact with nonvenomous frogs
Contact with nonvenomous toads
Contact with other nonvenomous amphibians
Exposure to other animate mechanical forces
Accidental drowning and submersion while in bath-tub
Accidental drowning and submersion while in swimming-pool
Accidental drowning and submersion while in natural water
Other specified cause of accidental non-transport drowning and submersion
Unspecified cause of accidental drowning and submersion
Exposure to electric transmission lines
Exposure to other specified electric current
Exposure to domestic wiring and appliances
Exposure to industrial wiring, appliances and electrical machinery
Exposure to other electric current
Exposure to ionizing radiation
Exposure to X-rays
Exposure to radioactive isotopes
Exposure to other ionizing radiation
Exposure to man-made visible and ultraviolet light
Exposure to welding light (arc)
Exposure to tanning bed
Exposure to other man-made visible and ultraviolet light
Exposure to unspecified man-made visible and ultraviolet light
Exposure to other nonionizing radiation
Exposure to radiofrequency
Exposure to infrared radiation
Exposure to laser radiation
Exposure to other nonionizing radiation
Exposure to excessive heat of man-made origin
Exposure to excessive cold of man-made origin
Contact with or inhalation of dry ice
Contact with dry ice
Inhalation of dry ice
Contact with or inhalation of liquid air
Contact with liquid air
Inhalation of liquid air
Prolonged exposure in deep freeze unit or refrigerator
Exposure to other excessive cold of man-made origin
Exposure to high and low air pressure and changes in air pressure
Exposure to prolonged high air pressure
Exposure to prolonged low air pressure
Exposure to residence or prolonged visit at high altitude
Exposure to other prolonged low air pressure
Exposure to rapid changes in air pressure during ascent
Exposure to reduction in atmospheric pressure while surfacing from deep-water diving
Exposure to reduction in atmospheric pressure while surfacing from underground
Exposure to sudden change in air pressure in aircraft during ascent
Exposure to other rapid changes in air pressure during ascent
Exposure to rapid changes in air pressure during descent
Exposure to sudden change in air pressure in aircraft during descent
Exposure to high air pressure from rapid descent in water
Exposure to other rapid changes in air pressure during descent
Exposure to other man-made environmental factors
Exposure to uncontrolled fire in building or structure
Exposure to flames in uncontrolled fire in building or structure
Exposure to smoke in uncontrolled fire in building or structure
Injury due to collapse of burning building or structure in uncontrolled fire
Fall from burning building or structure in uncontrolled fire
Hit by object from burning building or structure in uncontrolled fire
Jump from burning building or structure in uncontrolled fire
Other exposure to uncontrolled fire in building or structure
Exposure to uncontrolled fire, not in building or structure
Exposure to flames in uncontrolled fire, not in building or structure
Exposure to smoke in uncontrolled fire, not in building or structure
Fall due to uncontrolled fire, not in building or structure
Hit by object due to uncontrolled fire, not in building or structure
Other exposure to uncontrolled fire, not in building or structure
Exposure to controlled fire in building or structure
Exposure to flames in controlled fire in building or structure
Exposure to smoke in controlled fire in building or structure
Injury due to collapse of burning building or structure in controlled fire
Fall from burning building or structure in controlled fire
Hit by object from burning building or structure in controlled fire
Jump from burning building or structure in controlled fire
Other exposure to controlled fire in building or structure
Exposure to controlled fire, not in building or structure
Exposure to flames in controlled fire, not in building or structure
Exposure to smoke in controlled fire, not in building or structure
Fall due to controlled fire, not in building or structure
Hit by object due to controlled fire, not in building or structure
Other exposure to controlled fire, not in building or structure
Exposure to ignition of highly flammable material
Exposure to ignition or melting of nightwear
Exposure to ignition or melting of other clothing and apparel
Exposure to ignition of plastic jewelry
Exposure to melting of plastic jewelry
Exposure to ignition of other clothing and apparel
Exposure to melting of other clothing and apparel
Exposure to other specified smoke, fire and flames
Exposure to bed fire
Exposure to bed fire due to unspecified burning material
Exposure to bed fire due to burning cigarette
Exposure to bed fire due to other burning material
Exposure to sofa fire
Exposure to sofa fire due to unspecified burning material
Exposure to sofa fire due to burning cigarette
Exposure to sofa fire due to other burning material
Exposure to other furniture fire
Exposure to other furniture fire due to unspecified burning material
Exposure to other furniture fire due to burning cigarette
Exposure to other furniture fire due to other burning material
Exposure to other specified smoke, fire and flames
Contact with hot drinks, food, fats and cooking oils
Contact with hot drinks
Contact with hot food
Contact with fats and cooking oils
Contact with hot tap-water
Contact with hot water in bath or tub
Contact with running hot water
Contact with other hot tap-water
Contact with other hot fluids
Contact with steam and other hot vapors
Inhalation of steam and other hot vapors
Other contact with steam and other hot vapors
Contact with hot air and other hot gases
Inhalation of hot air and gases
Other contact with hot air and other hot gases
Contact with hot household appliances
Contact with hot stove (kitchen)
Contact with hot toaster
Contact with hotplate
Contact with hot saucepan or skillet
Contact with other hot household appliances
Contact with hot heating appliances, radiators and pipes
Contact with hot engines, machinery and tools
Contact with other hot metals
Contact with other heat and hot substances
Exposure to excessive natural heat
Exposure to excessive natural cold
Exposure to sunlight
Earthquake
Volcanic eruption
Avalanche, landslide and other earth movements
Collapse of dam or man-made structure causing earth movement
Avalanche, landslide, or mudslide
Cataclysmic storm
Hurricane
Tornado
Blizzard (snow)(ice)
Dust storm
Tidalwave
Tidal wave due to earthquake or volcanic eruption
Tidal wave due to storm
Tidal wave due to landslide
Other cataclysmic storms
Unspecified cataclysmic storm
Flood
Exposure to other forces of nature
Exposure to natural radiation
Exposure to radon
Exposure to other natural radiation
Other exposure to forces of nature
Overexertion and strenuous or repetitive movements
Overexertion from strenuous movement or load
Overexertion from prolonged static or awkward postures
Overexertion from repetitive movements
Other and unspecified overexertion or strenuous movements or postures
Prolonged stay in weightless environment
Exposure to other specified factors