ICD-10-CM Section · W20-W49
Exposure to inanimate mechanical forces
218 codes in this section
218
Total Codes
0
Billable
218
Header (Non-Billable)
26
Top-Level Codes
About Section W20-W49
Section W20-W49 (W20-W49) covers exposure to inanimate mechanical forces. It sits within the External causes of morbidity chapter (V00-Y99). This section contains 218 ICD-10-CM codes, 0 billable diagnoses you can submit on a claim, and 218 non-billable header codes used to organize the hierarchy.
Codes are organized below by 3-character root. Click the root to see all subcodes underneath it, or click any individual code for full coverage data, payer policies, and linked CPT procedures.
Codes in W20-W49
Grouped by 3-character root code. Click any code for full detail.
W20
Struck by thrown, projected or falling object
3 subcodes
| W20.0 | Struck by falling object in cave-in | Header |
| W20.1 | Struck by object due to collapse of building | Header |
| W20.8 | Other cause of strike by thrown, projected or falling object | Header |
W21
Striking against or struck by sports equipment
31 subcodes
| W21.0 | Struck by hit or thrown ball | Header |
| W21.00 | Struck by hit or thrown ball, unspecified type | Header |
| W21.01 | Struck by football | Header |
| W21.02 | Struck by soccer ball | Header |
| W21.03 | Struck by baseball | Header |
| W21.04 | Struck by golf ball | Header |
| W21.05 | Struck by basketball | Header |
| W21.06 | Struck by volleyball | Header |
| W21.07 | Struck by softball | Header |
| W21.09 | Struck by other hit or thrown ball | Header |
| W21.1 | Struck by bat, racquet or club | Header |
| W21.11 | Struck by baseball bat | Header |
| W21.12 | Struck by tennis racquet | Header |
| W21.13 | Struck by golf club | Header |
| W21.19 | Struck by other bat, racquet or club | Header |
| W21.2 | Struck by hockey stick or puck | Header |
| W21.21 | Struck by hockey stick | Header |
| W21.210 | Struck by ice hockey stick | Header |
| W21.211 | Struck by field hockey stick | Header |
| W21.22 | Struck by hockey puck | Header |
| W21.220 | Struck by ice hockey puck | Header |
| W21.221 | Struck by field hockey puck | Header |
| W21.3 | Struck by sports foot wear | Header |
| W21.31 | Struck by shoe cleats | Header |
| W21.32 | Struck by skate blades | Header |
| W21.39 | Struck by other sports foot wear | Header |
| W21.4 | Striking against diving board | Header |
| W21.8 | Striking against or struck by other sports equipment | Header |
| W21.81 | Striking against or struck by football helmet | Header |
| W21.89 | Striking against or struck by other sports equipment | Header |
| W21.9 | Striking against or struck by unspecified sports equipment | Header |
W22
Striking against or struck by other objects
14 subcodes
| W22.0 | Striking against stationary object | Header |
| W22.01 | Walked into wall | Header |
| W22.02 | Walked into lamppost | Header |
| W22.03 | Walked into furniture | Header |
| W22.04 | Striking against wall of swimming pool | Header |
| W22.041 | Striking against wall of swimming pool causing drowning and submersion | Header |
| W22.042 | Striking against wall of swimming pool causing other injury | Header |
| W22.09 | Striking against other stationary object | Header |
| W22.1 | Striking against or struck by automobile airbag | Header |
| W22.10 | Striking against or struck by unspecified automobile airbag | Header |
| W22.11 | Striking against or struck by driver side automobile airbag | Header |
| W22.12 | Striking against or struck by front passenger side automobile airbag | Header |
| W22.19 | Striking against or struck by other automobile airbag | Header |
| W22.8 | Striking against or struck by other objects | Header |
W23
Caught, crushed, jammed or pinched in or between objects
3 subcodes
| W23.0 | Caught, crushed, jammed, or pinched between moving objects | Header |
| W23.1 | Caught, crushed, jammed, or pinched between stationary objects | Header |
| W23.2 | Caught, crushed, jammed or pinched between a moving and stationary object | Header |
W24
Contact with lifting and transmission devices, not elsewhere classified
2 subcodes
| W24.0 | Contact with lifting devices, not elsewhere classified | Header |
| W24.1 | Contact with transmission devices, not elsewhere classified | Header |
W25
Contact with sharp glass
0 subcodes
W26
Contact with other sharp objects
5 subcodes
| W26.0 | Contact with knife | Header |
| W26.1 | Contact with sword or dagger | Header |
| W26.2 | Contact with edge of stiff paper | Header |
| W26.8 | Contact with other sharp object(s), not elsewhere classified | Header |
| W26.9 | Contact with unspecified sharp object(s) | Header |
W27
Contact with nonpowered hand tool
7 subcodes
| W27.0 | Contact with workbench tool | Header |
| W27.1 | Contact with garden tool | Header |
| W27.2 | Contact with scissors | Header |
| W27.3 | Contact with needle (sewing) | Header |
| W27.4 | Contact with kitchen utensil | Header |
| W27.5 | Contact with paper-cutter | Header |
| W27.8 | Contact with other nonpowered hand tool | Header |
W28
Contact with powered lawn mower
0 subcodes
W29
Contact with other powered hand tools and household machinery
6 subcodes
| W29.0 | Contact with powered kitchen appliance | Header |
| W29.1 | Contact with electric knife | Header |
| W29.2 | Contact with other powered household machinery | Header |
| W29.3 | Contact with powered garden and outdoor hand tools and machinery | Header |
| W29.4 | Contact with nail gun | Header |
| W29.8 | Contact with other powered hand tools and household machinery | Header |
W30
Contact with agricultural machinery
8 subcodes
| W30.0 | Contact with combine harvester | Header |
| W30.1 | Contact with power take-off devices (PTO) | Header |
| W30.2 | Contact with hay derrick | Header |
| W30.3 | Contact with grain storage elevator | Header |
| W30.8 | Contact with other specified agricultural machinery | Header |
| W30.81 | Contact with agricultural transport vehicle in stationary use | Header |
| W30.89 | Contact with other specified agricultural machinery | Header |
| W30.9 | Contact with unspecified agricultural machinery | Header |
W31
Contact with other and unspecified machinery
10 subcodes
| W31.0 | Contact with mining and earth-drilling machinery | Header |
| W31.1 | Contact with metalworking machines | Header |
| W31.2 | Contact with powered woodworking and forming machines | Header |
| W31.3 | Contact with prime movers | Header |
| W31.8 | Contact with other specified machinery | Header |
| W31.81 | Contact with recreational machinery | Header |
| W31.82 | Contact with other commercial machinery | Header |
| W31.83 | Contact with special construction vehicle in stationary use | Header |
| W31.89 | Contact with other specified machinery | Header |
| W31.9 | Contact with unspecified machinery | Header |
W32
Accidental handgun discharge and malfunction
2 subcodes
| W32.0 | Accidental handgun discharge | Header |
| W32.1 | Accidental handgun malfunction | Header |
W33
Accidental rifle, shotgun and larger firearm discharge and malfunction
12 subcodes
| W33.0 | Accidental rifle, shotgun and larger firearm discharge | Header |
| W33.00 | Accidental discharge of unspecified larger firearm | Header |
| W33.01 | Accidental discharge of shotgun | Header |
| W33.02 | Accidental discharge of hunting rifle | Header |
| W33.03 | Accidental discharge of machine gun | Header |
| W33.09 | Accidental discharge of other larger firearm | Header |
| W33.1 | Accidental rifle, shotgun and larger firearm malfunction | Header |
| W33.10 | Accidental malfunction of unspecified larger firearm | Header |
| W33.11 | Accidental malfunction of shotgun | Header |
| W33.12 | Accidental malfunction of hunting rifle | Header |
| W33.13 | Accidental malfunction of machine gun | Header |
| W33.19 | Accidental malfunction of other larger firearm | Header |
W34
Accidental discharge and malfunction from other and unspecified firearms and guns
14 subcodes
| W34.0 | Accidental discharge from other and unspecified firearms and guns | Header |
| W34.00 | Accidental discharge from unspecified firearms or gun | Header |
| W34.01 | Accidental discharge of gas, air or spring-operated guns | Header |
| W34.010 | Accidental discharge of airgun | Header |
| W34.011 | Accidental discharge of paintball gun | Header |
| W34.018 | Accidental discharge of other gas, air or spring-operated gun | Header |
| W34.09 | Accidental discharge from other specified firearms | Header |
| W34.1 | Accidental malfunction from other and unspecified firearms and guns | Header |
| W34.10 | Accidental malfunction from unspecified firearms or gun | Header |
| W34.11 | Accidental malfunction of gas, air or spring-operated guns | Header |
| W34.110 | Accidental malfunction of airgun | Header |
| W34.111 | Accidental malfunction of paintball gun | Header |
| W34.118 | Accidental malfunction of other gas, air or spring-operated gun | Header |
| W34.19 | Accidental malfunction from other specified firearms | Header |
W35
Explosion and rupture of boiler
0 subcodes
W36
Explosion and rupture of gas cylinder
5 subcodes
| W36.1 | Explosion and rupture of aerosol can | Header |
| W36.2 | Explosion and rupture of air tank | Header |
| W36.3 | Explosion and rupture of pressurized-gas tank | Header |
| W36.8 | Explosion and rupture of other gas cylinder | Header |
| W36.9 | Explosion and rupture of unspecified gas cylinder | Header |
W37
Explosion and rupture of pressurized tire, pipe or hose
2 subcodes
| W37.0 | Explosion of bicycle tire | Header |
| W37.8 | Explosion and rupture of other pressurized tire, pipe or hose | Header |
W38
Explosion and rupture of other specified pressurized devices
0 subcodes
W39
Discharge of firework
0 subcodes
W40
Explosion of other materials
4 subcodes
| W40.0 | Explosion of blasting material | Header |
| W40.1 | Explosion of explosive gases | Header |
| W40.8 | Explosion of other specified explosive materials | Header |
| W40.9 | Explosion of unspecified explosive materials | Header |
W42
Exposure to noise
2 subcodes
| W42.0 | Exposure to supersonic waves | Header |
| W42.9 | Exposure to other noise | Header |
W44
Foreign body entering into or through a natural orifice
50 subcodes
| W44.8 | Other foreign body entering into or through a natural orifice | Header |
| W44.9 | Unspecified foreign body entering into or through a natural orifice | Header |
| W44.A | Battery entering into or through a natural orifice | Header |
| W44.A0 | Battery unspecified, entering into or through a natural orifice | Header |
| W44.A1 | Button battery entering into or through a natural orifice | Header |
| W44.A9 | Other batteries entering into or through a natural orifice | Header |
| W44.B | Plastic entering into or through a natural orifice | Header |
| W44.B0 | Plastic object unspecified, entering into or through a natural orifice | Header |
| W44.B1 | Plastic bead entering into or through a natural orifice | Header |
| W44.B2 | Plastic coin entering into or through a natural orifice | Header |
| W44.B3 | Plastic toy and toy part entering into or through a natural orifice | Header |
| W44.B4 | Plastic jewelry entering into or through a natural orifice | Header |
| W44.B5 | Plastic bottle entering into or through a natural orifice | Header |
| W44.B9 | Other plastic object entering into or through a natural orifice | Header |
| W44.C | Glass entering into or through a natural orifice | Header |
| W44.C0 | Glass unspecified, entering into or through a natural orifice | Header |
| W44.C1 | Sharp glass entering into or through a natural orifice | Header |
| W44.C2 | Intact glass entering into or through a natural orifice | Header |
| W44.D | Magnetic metal entering into or through a natural orifice | Header |
| W44.D0 | Magnetic metal object unspecified, entering into or through a natural orifice | Header |
| W44.D1 | Magnetic metal bead entering into or through a natural orifice | Header |
| W44.D2 | Magnetic metal coin entering into or through a natural orifice | Header |
| W44.D3 | Magnetic metal toy entering into or through a natural orifice | Header |
| W44.D4 | Magnetic metal jewelry entering into or through a natural orifice | Header |
| W44.D9 | Other magnetic metal objects entering into or through a natural orifice | Header |
| W44.E | Non-magnetic metal entering into or through a natural orifice | Header |
| W44.E0 | Non-magnetic metal object unspecified, entering into or through a natural orifice | Header |
| W44.E1 | Non-magnetic metal bead entering into or through a natural orifice | Header |
| W44.E2 | Non-magnetic metal coin entering into or through a natural orifice | Header |
| W44.E3 | Non-magnetic metal toy entering into or through a natural orifice | Header |
| W44.E4 | Non-magnetic metal jewelry entering into or through a natural orifice | Header |
| W44.E9 | Other non-magnetic metal objects entering into or through a natural orifice | Header |
| W44.F | Objects of natural or organic material entering into or through a natural orifice | Header |
| W44.F0 | Objects of natural or organic material unspecified, entering into or through a natural orifice | Header |
| W44.F1 | Bezoar entering into or through a natural orifice | Header |
| W44.F2 | Rubber band entering into or through a natural orifice | Header |
| W44.F3 | Food entering into or through a natural orifice | Header |
| W44.F4 | Insect entering into or through a natural orifice | Header |
| W44.F9 | Other object of natural or organic material, entering into or through a natural orifice | Header |
| W44.G | Other non-organic objects entering into or through a natural orifice | Header |
| W44.G0 | Other non-organic objects unspecified, entering into or through a natural orifice | Header |
| W44.G1 | Audio device entering into or through a natural orifice | Header |
| W44.G2 | Combination metal and plastic toy and toy part entering into or through natural orifice | Header |
| W44.G3 | Combination metal and plastic jewelry entering into or through a natural orifice | Header |
| W44.G9 | Other non-organic objects entering into or through a natural orifice | Header |
| W44.H | Other sharp object entering into or through a natural orifice | Header |
| W44.H0 | Other sharp object unspecified, entering into or through a natural orifice | Header |
| W44.H1 | Needle entering into or through a natural orifice | Header |
| W44.H2 | Knife, sword or dagger entering into or through a natural orifice | Header |
| W44.H9 | Other sharp object entering into or through a natural orifice | Header |
W45
Foreign body or object entering through skin
3 subcodes
| W45.0 | Nail entering through skin | Header |
| W45.3 | Fishing hook entering through skin | Header |
| W45.8 | Other foreign body or object entering through skin | Header |
W46
Contact with hypodermic needle
2 subcodes
| W46.0 | Contact with hypodermic needle | Header |
| W46.1 | Contact with contaminated hypodermic needle | Header |
W49
Exposure to other inanimate mechanical forces
7 subcodes
| W49.0 | Item causing external constriction | Header |
| W49.01 | Hair causing external constriction | Header |
| W49.02 | String or thread causing external constriction | Header |
| W49.03 | Rubber band causing external constriction | Header |
| W49.04 | Ring or other jewelry causing external constriction | Header |
| W49.09 | Other specified item causing external constriction | Header |
| W49.9 | Exposure to other inanimate mechanical forces | Header |
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on May 31, 2026.
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