section name header

List of Diseases and Injuries

Exposure to inanimate mechanical forces (W20-W49)


Excludes 1: assault (X92-Y09)
contact or collision with animals or persons (W50-W64)
exposure to inanimate mechanical forces involving military or war operations (Y36.-, Y37.-)
intentional self-harm (X71-X83)

W20Struck by thrown, projected or falling object
Code First: any associated:
cataclysm (X34-X39)
lightning strike (T75.00)

Excludes 1: falling object in machinery accident (W24, W28-W31)
falling object in transport accident (V01-V99)
object set in motion by explosion (W35-W40)
object set in motion by firearm (W32-W34)
struck by thrown sports equipment (W21.-)

The appropriate 7th character is to be added to each code from category W20

7th Character: A :: initial encounter
D :: subsequent encounter
S :: sequela

W20.0Struck by falling object in cave-in
Excludes 2: asphyxiation due to cave-in (T71.21)

W20.1Struck by object due to collapse of building
Excludes 1: struck by object due to collapse of burning building (X00.2, X02.2)

W20.8Other cause of strike by thrown, projected or falling object
Excludes 1: struck by thrown sports equipment (W21.-)

W21Striking against or struck by sports equipment
Excludes 1: assault with sports equipment (Y08.0-)
striking against or struck by sports equipment with subsequent fall (W18.01)

The appropriate 7th character is to be added to each code from category W21

7th Character: A :: initial encounter
D :: subsequent encounter
S :: sequela

W21.0Struck by hit or thrown ball

W21.00Struck by hit or thrown ball, unspecified type

W21.01Struck by football

W21.02Struck by soccer ball

W21.03Struck by baseball

W21.04Struck by golf ball

W21.05Struck by basketball

W21.06Struck by volleyball

W21.07Struck by softball

W21.09Struck by other hit or thrown ball

W21.1Struck by bat, racquet or club

W21.11Struck by baseball bat

W21.12Struck by tennis racquet

W21.13Struck by golf club

W21.19Struck by other bat, racquet or club

W21.2Struck by hockey stick or puck

W21.21Struck by hockey stick

W21.210Struck by ice hockey stick

W21.211Struck by field hockey stick

W21.22Struck by hockey puck

W21.220Struck by ice hockey puck

W21.221Struck by field hockey puck

W21.3Struck by sports foot wear

W21.31Struck by shoe cleats
Stepped on by shoe cleats

W21.32Struck by skate blades
Skated over by skate blades

W21.39Struck by other sports foot wear

W21.4Striking against diving board
Use Additional Code: code for subsequent falling into water, if applicable (W16.-)

W21.8Striking against or struck by other sports equipment

W21.81Striking against or struck by football helmet

W21.89Striking against or struck by other sports equipment

W21.9Striking against or struck by unspecified sports equipment

W22Striking against or struck by other objects
Excludes 1: striking against or struck by object with subsequent fall (W18.09)

The appropriate 7th character is to be added to each code from category W22

7th Character: A :: initial encounter
D :: subsequent encounter
S :: sequela

W22.0Striking against stationary object
Excludes 1: striking against stationary sports equipment (W21.8)

W22.01Walked into wall

W22.02Walked into lamppost

W22.03Walked into furniture

W22.04Striking against wall of swimming pool

W22.041Striking against wall of swimming pool causing drowning and submersion
Excludes 1: drowning and submersion while swimming without striking against wall (W67)

W22.042Striking against wall of swimming pool causing other injury

W22.09Striking against other stationary object

W22.1Striking against or struck by automobile airbag

W22.10Striking against or struck by unspecified automobile airbag

W22.11Striking against or struck by driver side automobile airbag

W22.12Striking against or struck by front passenger side automobile airbag

W22.19Striking against or struck by other automobile airbag

W22.8Striking against or struck by other objects
Striking against or struck by object NOS

Excludes 1: struck by thrown, projected or falling object (W20.-)

W23Caught, crushed, jammed or pinched in or between objects
Excludes 1: injury caused by cutting or piercing instruments (W25-W27)
injury caused by firearms malfunction (W32.1, W33.1-, W34.1-)
injury caused by lifting and transmission devices (W24.-)
injury caused by machinery (W28-W31)
injury caused by nonpowered hand tools (W27.-)
injury caused by transport vehicle being used as a means of transportation (V01-V99)
injury caused by struck by thrown, projected or falling object (W20.-)

The appropriate 7th character is to be added to each code from category W23

7th Character: A :: initial encounter
D :: subsequent encounter
S :: sequela

W23.0Caught, crushed, jammed, or pinched between moving objects

W23.1Caught, crushed, jammed, or pinched between stationary objects

W23.2Caught, crushed, jammed or pinched between a moving and stationary object

W24Contact with lifting and transmission devices, not elsewhere classified
Excludes 1: transport accidents (V01-V99)

The appropriate 7th character is to be added to each code from category W24

7th Character: A :: initial encounter
D :: subsequent encounter
S :: sequela

W24.0Contact with lifting devices, not elsewhere classified
Contact with chain hoist
Contact with drive belt
Contact with pulley (block)

W24.1Contact with transmission devices, not elsewhere classified
Contact with transmission belt or cable

W25Contact with sharp glass
Code First: any associated:
injury due to flying glass from explosion or firearm discharge (W32-W40)
transport accident (V00-V99)

Excludes 1: fall on same level due to slipping, tripping and stumbling with subsequent striking against sharp glass (W01.110-)
striking against sharp glass with subsequent fall (W18.02-)

Excludes 2: glass embedded in skin (W45.-)

The appropriate 7th character is to be added to code W25

7th Character: A :: initial encounter
D :: subsequent encounter
S :: sequela

W26Contact with other sharp objects
Excludes 2: sharp object(s) embedded in skin (W45.-)

The appropriate 7th character is to be added to each code from category W26

7th Character: A :: initial encounter
D :: subsequent encounter
S :: sequela

W26.0Contact with knife
Excludes 1: contact with electric knife (W29.1)

W26.1Contact with sword or dagger

W26.2Contact with edge of stiff paper
Paper cut

W26.8Contact with other sharp object(s), not elsewhere classified
Contact with tin can lid

W26.9Contact with unspecified sharp object(s)

W27Contact with nonpowered hand tool
The appropriate 7th character is to be added to each code from category W27

7th Character: A :: initial encounter
D :: subsequent encounter
S :: sequela

W27.0Contact with workbench tool
Contact with auger
Contact with axe
Contact with chisel
Contact with handsaw
Contact with screwdriver

W27.1Contact with garden tool
Contact with hoe
Contact with nonpowered lawn mower
Contact with pitchfork
Contact with rake

W27.2Contact with scissors

W27.3Contact with needle (sewing)
Excludes 1: contact with hypodermic needle (W46.-)

W27.4Contact with kitchen utensil
Contact with fork
Contact with ice-pick
Contact with can-opener NOS

W27.5Contact with paper-cutter

W27.8Contact with other nonpowered hand tool
Contact with nonpowered sewing machine
Contact with shovel

W28Contact with powered lawn mower
Powered lawn mower (commercial) (residential)

Excludes 1: contact with nonpowered lawn mower (W27.1)

Excludes 2: exposure to electric current (W86.-)

The appropriate 7th character is to be added to code W28

7th Character: A :: initial encounter
D :: subsequent encounter
S :: sequela

W29Contact with other powered hand tools and household machinery
Excludes 1: contact with commercial machinery (W31.82)
contact with hot household appliance (X15)
contact with nonpowered hand tool (W27.-)
exposure to electric current (W86)

The appropriate 7th character is to be added to each code from category W29

7th Character: A :: initial encounter
D :: subsequent encounter
S :: sequela

W29.0Contact with powered kitchen appliance
Contact with blender
Contact with can-opener
Contact with garbage disposal
Contact with mixer

W29.1Contact with electric knife

W29.2Contact with other powered household machinery
Contact with electric fan
Contact with powered dryer (clothes) (powered) (spin)
Contact with washing-machine
Contact with sewing machine

W29.3Contact with powered garden and outdoor hand tools and machinery
Contact with chainsaw
Contact with edger
Contact with garden cultivator (tiller)
Contact with hedge trimmer
Contact with other powered garden tool

Excludes 1: contact with powered lawn mower (W28)

W29.4Contact with nail gun

W29.8Contact with other powered hand tools and household machinery
Contact with do-it-yourself tool NOS

W30Contact with agricultural machinery
Includes: animal-powered farm machine

Excludes 1: agricultural transport vehicle accident (V01-V99)
explosion of grain store (W40.8)
exposure to electric current (W86.-)

The appropriate 7th character is to be added to each code from category W30

7th Character: A :: initial encounter
D :: subsequent encounter
S :: sequela

W30.0Contact with combine harvester
Contact with reaper
Contact with thresher

W30.1Contact with power take-off devices (PTO)

W30.2Contact with hay derrick

W30.3Contact with grain storage elevator
Excludes 1: explosion of grain store (W40.8)

W30.8Contact with other specified agricultural machinery

W30.81Contact with agricultural transport vehicle in stationary use
Contact with agricultural transport vehicle under repair, not on public roadway

Excludes 1: agricultural transport vehicle accident (V01-V99)

W30.89Contact with other specified agricultural machinery

W30.9Contact with unspecified agricultural machinery
Contact with farm machinery NOS

W31Contact with other and unspecified machinery
Excludes 1: contact with agricultural machinery (W30.-)
contact with machinery in transport under own power or being towed by a vehicle (V01-V99)
exposure to electric current (W86)

The appropriate 7th character is to be added to each code from category W31

7th Character: A :: initial encounter
D :: subsequent encounter
S :: sequela

W31.0Contact with mining and earth-drilling machinery
Contact with bore or drill (land) (seabed)
Contact with shaft hoist
Contact with shaft lift
Contact with undercutter

W31.1Contact with metalworking machines
Contact with abrasive wheel
Contact with forging machine
Contact with lathe
Contact with mechanical shears
Contact with metal drilling machine
Contact with milling machine
Contact with power press
Contact with rolling-mill
Contact with metal sawing machine

W31.2Contact with powered woodworking and forming machines
Contact with band saw
Contact with bench saw
Contact with circular saw
Contact with molding machine
Contact with overhead plane
Contact with powered saw
Contact with radial saw
Contact with sander

Excludes 1: nonpowered woodworking tools (W27.0)

W31.3Contact with prime movers
Contact with gas turbine
Contact with internal combustion engine
Contact with steam engine
Contact with water driven turbine

W31.8Contact with other specified machinery

W31.81Contact with recreational machinery
Contact with roller coaster

W31.82Contact with other commercial machinery
Contact with commercial electric fan
Contact with commercial kitchen appliances
Contact with commercial powered dryer (clothes) (powered) (spin)
Contact with commercial washing-machine
Contact with commercial sewing machine

Excludes 1: contact with household machinery (W29.-)
contact with powered lawn mower (W28)

W31.83Contact with special construction vehicle in stationary use
Contact with special construction vehicle under repair, not on public roadway

Excludes 1: special construction vehicle accident (V01-V99)

W31.89Contact with other specified machinery

W31.9Contact with unspecified machinery
Contact with machinery NOS

W32Accidental handgun discharge and malfunction
Includes: accidental discharge and malfunction of gun for single hand use
accidental discharge and malfunction of pistol
accidental discharge and malfunction of revolver
Handgun discharge and malfunction NOS

Excludes 1: accidental airgun discharge and malfunction (W34.010, W34.110)
accidental BB gun discharge and malfunction (W34.010, W34.110)
accidental pellet gun discharge and malfunction (W34.010, W34.110)
accidental shotgun discharge and malfunction (W33.01, W33.11)
assault by handgun discharge (X93)
handgun discharge involving legal intervention (Y35.0-)
handgun discharge involving military or war operations (Y36.4-)
intentional self-harm by handgun discharge (X72)
Very pistol discharge and malfunction (W34.09, W34.19)

The appropriate 7th character is to be added to each code from category W32

7th Character: A :: initial encounter
D :: subsequent encounter
S :: sequela

W32.0Accidental handgun discharge

W32.1Accidental handgun malfunction
Injury due to explosion of handgun (parts)
Injury due to malfunction of mechanism or component of handgun
Injury due to recoil of handgun
Powder burn from handgun

W33Accidental rifle, shotgun and larger firearm discharge and malfunction
Includes: rifle, shotgun and larger firearm discharge and malfunction NOS

Excludes 1: accidental airgun discharge and malfunction (W34.010, W34.110)
accidental BB gun discharge and malfunction (W34.010, W34.110)
accidental handgun discharge and malfunction (W32.-)
accidental pellet gun discharge and malfunction (W34.010, W34.110)
assault by rifle, shotgun and larger firearm discharge (X94)
firearm discharge involving legal intervention (Y35.0-)
firearm discharge involving military or war operations (Y36.4-)
intentional self-harm by rifle, shotgun and larger firearm discharge (X73)

The appropriate 7th character is to be added to each code from category W33

7th Character: A :: initial encounter
D :: subsequent encounter
S :: sequela

W33.0Accidental rifle, shotgun and larger firearm discharge

W33.00Accidental discharge of unspecified larger firearm
Discharge of unspecified larger firearm NOS

W33.01Accidental discharge of shotgun
Discharge of shotgun NOS

W33.02Accidental discharge of hunting rifle
Discharge of hunting rifle NOS

W33.03Accidental discharge of machine gun
Discharge of machine gun NOS

W33.09Accidental discharge of other larger firearm
Discharge of other larger firearm NOS

W33.1Accidental rifle, shotgun and larger firearm malfunction
Injury due to explosion of rifle, shotgun and larger firearm (parts)
Injury due to malfunction of mechanism or component of rifle, shotgun and larger firearm
Injury due to piercing, cutting, crushing or pinching due to (by) slide trigger mechanism, scope or other gun part
Injury due to recoil of rifle, shotgun and larger firearm
Powder burn from rifle, shotgun and larger firearm

W33.10Accidental malfunction of unspecified larger firearm
Malfunction of unspecified larger firearm NOS

W33.11Accidental malfunction of shotgun
Malfunction of shotgun NOS

W33.12Accidental malfunction of hunting rifle
Malfunction of hunting rifle NOS

W33.13Accidental malfunction of machine gun
Malfunction of machine gun NOS

W33.19Accidental malfunction of other larger firearm
Malfunction of other larger firearm NOS

W34Accidental discharge and malfunction from other and unspecified firearms and guns
The appropriate 7th character is to be added to each code from category W34

7th Character: A :: initial encounter
D :: subsequent encounter
S :: sequela

W34.0Accidental discharge from other and unspecified firearms and guns

W34.00Accidental discharge from unspecified firearms or gun
Discharge from firearm NOS
Gunshot wound NOS
Shot NOS

W34.01Accidental discharge of gas, air or spring-operated guns

W34.010Accidental discharge of airgun
Accidental discharge of BB gun
Accidental discharge of pellet gun

W34.011Accidental discharge of paintball gun
Accidental injury due to paintball discharge

W34.018Accidental discharge of other gas, air or spring-operated gun

W34.09Accidental discharge from other specified firearms
Accidental discharge from Very pistol [flare]

W34.1Accidental malfunction from other and unspecified firearms and guns

W34.10Accidental malfunction from unspecified firearms or gun
Firearm malfunction NOS

W34.11Accidental malfunction of gas, air or spring-operated guns

W34.110Accidental malfunction of airgun
Accidental malfunction of BB gun
Accidental malfunction of pellet gun

W34.111Accidental malfunction of paintball gun
Accidental injury due to paintball gun malfunction

W34.118Accidental malfunction of other gas, air or spring-operated gun

W34.19Accidental malfunction from other specified firearms
Accidental malfunction from Very pistol [flare]

W35Explosion and rupture of boiler
Excludes 1: explosion and rupture of boiler on watercraft (V93.4)

The appropriate 7th character is to be added to code W35

7th Character: A :: initial encounter
D :: subsequent encounter
S :: sequela

W36Explosion and rupture of gas cylinder
The appropriate 7th character is to be added to each code from category W36

7th Character: A :: initial encounter
D :: subsequent encounter
S :: sequela

W36.1Explosion and rupture of aerosol can

W36.2Explosion and rupture of air tank

W36.3Explosion and rupture of pressurized-gas tank

W36.8Explosion and rupture of other gas cylinder

W36.9Explosion and rupture of unspecified gas cylinder

W37Explosion and rupture of pressurized tire, pipe or hose
The appropriate 7th character is to be added to each code from category W37

7th Character: A :: initial encounter
D :: subsequent encounter
S :: sequela

W37.0Explosion of bicycle tire

W37.8Explosion and rupture of other pressurized tire, pipe or hose

W38Explosion and rupture of other specified pressurized devices
The appropriate 7th character is to be added to code W38

7th Character: A :: initial encounter
D :: subsequent encounter
S :: sequela

W39Discharge of firework
The appropriate 7th character is to be added to code W39

7th Character: A :: initial encounter
D :: subsequent encounter
S :: sequela

W40Explosion of other materials
Excludes 1: assault by explosive material (X96)
explosion involving legal intervention (Y35.1-)
explosion involving military or war operations (Y36.0-, Y36.2-)
intentional self-harm by explosive material (X75)

The appropriate 7th character is to be added to each code from category W40

7th Character: A :: initial encounter
D :: subsequent encounter
S :: sequela

W40.0Explosion of blasting material
Explosion of blasting cap
Explosion of detonator
Explosion of dynamite
Explosion of explosive (any) used in blasting operations

W40.1Explosion of explosive gases
Explosion of acetylene
Explosion of butane
Explosion of coal gas
Explosion in mine NOS
Explosion of explosive gas
Explosion of fire damp
Explosion of gasoline fumes
Explosion of methane
Explosion of propane

W40.8Explosion of other specified explosive materials
Explosion in dump NOS
Explosion in factory NOS
Explosion in grain store
Explosion in munitions

Excludes 1: explosion involving legal intervention (Y35.1-)
explosion involving military or war operations (Y36.0-, Y36.2-)

W40.9Explosion of unspecified explosive materials
Explosion NOS

W42Exposure to noise
The appropriate 7th character is to be added to each code from category W42

7th Character: A :: initial encounter
D :: subsequent encounter
S :: sequela

W42.0Exposure to supersonic waves

W42.9Exposure to other noise
Exposure to sound waves NOS

W44Foreign body entering into or through a natural orifice
Excludes 2: contact with other sharp objects (W26)
contact with sharp glass (W25)
foreign body or object entering through skin (W45)

The appropriate 7th character is to be added to each code from category W44

7th Character: A :: initial encounter
D :: subsequent encounter
S :: sequela

W44.ABattery entering into or through a natural orifice

W44.A0Battery unspecified, entering into or through a natural orifice

W44.A1Button battery entering into or through a natural orifice

W44.A9Other batteries entering into or through a natural orifice
Cylindrical battery

W44.BPlastic entering into or through a natural orifice

W44.B0Plastic object unspecified, entering into or through a natural orifice

W44.B1Plastic bead entering into or through a natural orifice
Excludes 2: Plastic jewelry entering into or through a natural orifice (W44.B4)

W44.B2Plastic coin entering into or through a natural orifice

W44.B3Plastic toy and toy part entering into or through a natural orifice

W44.B4Plastic jewelry entering into or through a natural orifice
Excludes 2: Plastic bead entering into or through a natural orifice (W44.B1)

W44.B5Plastic bottle entering into or through a natural orifice

W44.B9Other plastic object entering into or through a natural orifice

W44.CGlass entering into or through a natural orifice

W44.C0Glass unspecified, entering into or through a natural orifice

W44.C1Sharp glass entering into or through a natural orifice
Glass shard entering into or through a natural orifice

W44.C2Intact glass entering into or through a natural orifice
Intact glass bottle entering into or through a natural orifice

W44.DMagnetic metal entering into or through a natural orifice

W44.D0Magnetic metal object unspecified, entering into or through a natural orifice

W44.D1Magnetic metal bead entering into or through a natural orifice

W44.D2Magnetic metal coin entering into or through a natural orifice

W44.D3Magnetic metal toy entering into or through a natural orifice

W44.D4Magnetic metal jewelry entering into or through a natural orifice

W44.D9Other magnetic metal objects entering into or through a natural orifice

W44.ENon-magnetic metal entering into or through a natural orifice

W44.E0Non-magnetic metal object unspecified, entering into or through a natural orifice

W44.E1Non-magnetic metal bead entering into or through a natural orifice

W44.E2Non-magnetic metal coin entering into or through a natural orifice

W44.E3Non-magnetic metal toy entering into or through a natural orifice

W44.E4Non-magnetic metal jewelry entering into or through a natural orifice

W44.E9Other non-magnetic metal objects entering into or through a natural orifice
Bottle cap entering into or through a natural orifice
Can lid entering into or through a natural orifice
Pull tab entering into or through a natural orifice

W44.FObjects of natural or organic material entering into or through a natural orifice

W44.F0Objects of natural or organic material unspecified, entering into or through a natural orifice

W44.F1Bezoar entering into or through a natural orifice

W44.F2Rubber band entering into or through a natural orifice

W44.F3Food entering into or through a natural orifice

W44.F4Insect entering into or through a natural orifice

W44.F9Other object of natural or organic material, entering into or through a natural orifice

W44.GOther non-organic objects entering into or through a natural orifice

W44.G0Other non-organic objects unspecified, entering into or through a natural orifice

W44.G1Audio device entering into or through a natural orifice
Ear buds
Hearing aids

W44.G2Combination metal and plastic toy and toy part entering into or through natural orifice

W44.G3Combination metal and plastic jewelry entering into or through a natural orifice

W44.G9Other non-organic objects entering into or through a natural orifice

W44.HOther sharp object entering into or through a natural orifice

W44.H0Other sharp object unspecified, entering into or through a natural orifice

W44.H1Needle entering into or through a natural orifice
Dart entering into or through a natural orifice
Hypodermic needle entering into or through a natural orifice
Safety pin entering into or through a natural orifice
Sewing needle entering into or through a natural orifice

W44.H2Knife, sword or dagger entering into or through a natural orifice

W44.8Other foreign body entering into or through a natural orifice

W44.9Unspecified foreign body entering into or through a natural orifice
Foreign body NOS entering into or through a natural orifice

W45Foreign body or object entering through skin
Includes: foreign body or object embedded in skin
nail embedded in skin

Excludes 2: contact with hand tools (nonpowered) (powered) (W27-W29)
contact with other sharp object(s) (W26.-)
contact with sharp glass (W25.-)
struck by objects (W20-W22)

The appropriate 7th character is to be added to each code from category W45

7th Character: A :: initial encounter
D :: subsequent encounter
S :: sequela

W45.0Nail entering through skin

W45.8Other foreign body or object entering through skin
Splinter in skin NOS

W46Contact with hypodermic needle
The appropriate 7th character is to be added to each code from category W46

7th Character: A :: initial encounter
D :: subsequent encounter
S :: sequela

W46.0Contact with hypodermic needle
Hypodermic needle stick NOS

W46.1Contact with contaminated hypodermic needle

W49Exposure to other inanimate mechanical forces
Includes: exposure to abnormal gravitational [G] forces
exposure to inanimate mechanical forces NEC

Excludes 1: exposure to inanimate mechanical forces involving military or war operations (Y36.-, Y37.-)

The appropriate 7th character is to be added to each code from category W49

7th Character: A :: initial encounter
D :: subsequent encounter
S :: sequela

W49.0Item causing external constriction

W49.01Hair causing external constriction

W49.02String or thread causing external constriction

W49.03Rubber band causing external constriction

W49.04Ring or other jewelry causing external constriction

W49.09Other specified item causing external constriction

W49.9Exposure to other inanimate mechanical forces