W ICD-10-CM Categories: Category Index
Browse 73 top-level ICD-10-CM categories beginning with W, then follow their complete FY 2027 child-code hierarchies.
Categories beginning with W
Open a category to continue through its complete hierarchy of more specific codes.
W00Fall due to ice and snowW01Fall on same level from slipping, tripping and stumblingW03Other fall on same level due to collision with another personW04Fall while being carried or supported by other personsW05Fall from non-moving wheelchair, nonmotorized scooter and motorized mobility scooterW06Fall from bedW07Fall from chairW08Fall from other furnitureW09Fall on and from playground equipmentW10Fall on and from stairs and stepsW11Fall on and from ladderW12Fall on and from scaffoldingW13Fall from, out of or through building or structureW14Fall from treeW15Fall from cliffW16Fall, jump or diving into waterW17Other fall from one level to anotherW18Other slipping, tripping and stumbling and fallsW19Unspecified fallW20Struck by thrown, projected or falling objectW21Striking against or struck by sports equipmentW22Striking against or struck by other objectsW23Caught, crushed, jammed or pinched in or between objectsW24Contact with lifting and transmission devices, not elsewhere classifiedW25Contact with sharp glassW26Contact with other sharp objectsW27Contact with nonpowered hand toolW28Contact with powered lawn mowerW29Contact with other powered hand tools and household machineryW30Contact with agricultural machineryW31Contact with other and unspecified machineryW32Accidental handgun discharge and malfunctionW33Accidental rifle, shotgun and larger firearm discharge and malfunctionW34Accidental discharge and malfunction from other and unspecified firearms and gunsW35Explosion and rupture of boilerW36Explosion and rupture of gas cylinderW37Explosion and rupture of pressurized tire, pipe or hoseW38Explosion and rupture of other specified pressurized devicesW39Discharge of fireworkW40Explosion of other materialsW42Exposure to noiseW44Foreign body entering into or through a natural orificeW45Foreign body or object entering through skinW46Contact with hypodermic needleW49Exposure to other inanimate mechanical forcesW50Accidental hit, strike, kick, twist, bite or scratch by another personW51Accidental striking against or bumped into by another personW52Crushed, pushed or stepped on by crowd or human stampedeW53Contact with rodentW54Contact with dogW55Contact with other mammalsW56Contact with nonvenomous marine animalW57Bitten or stung by nonvenomous insect and other nonvenomous arthropodsW58Contact with crocodile or alligatorW59Contact with other nonvenomous reptilesW60Contact with nonvenomous plant thorns and spines and sharp leavesW61Contact with birds (domestic) (wild)W62Contact with nonvenomous amphibiansW64Exposure to other animate mechanical forcesW65Accidental drowning and submersion while in bath-tubW67Accidental drowning and submersion while in swimming-poolW69Accidental drowning and submersion while in natural waterW73Other specified cause of accidental non-transport drowning and submersionW74Unspecified cause of accidental drowning and submersionW85Exposure to electric transmission linesW86Exposure to other specified electric currentW88Exposure to ionizing radiationW89Exposure to man-made visible and ultraviolet lightW90Exposure to other nonionizing radiationW92Exposure to excessive heat of man-made originW93Exposure to excessive cold of man-made originW94Exposure to high and low air pressure and changes in air pressureW99Exposure to other man-made environmental factorsSource and release
- Data release
- U.S. ICD-10-CM · FY 2027
- Effective date
- Oct 1, 2026
- Publisher
- Vero Scribe Inc.
This category index is generated from Vero’s repository-backed ICD-10-CM hierarchy. Every listed category is a top-level record, and each linked category page exposes its direct child codes.
Frequently asked questions
Which ICD-10-CM categories begin with W?
This index lists 73 top-level categories beginning with W from Vero’s FY 2027 U.S. ICD-10-CM reference dataset.
How do I find a more specific W code?
Open a category below, then follow its linked child-code hierarchy until you reach the code supported by the documentation.
Which ICD-10-CM release does this W index use?
The index uses the FY 2027 U.S. ICD-10-CM release and the repository-backed hierarchy displayed on each linked code page.
Is every W category billable?
No. These are top-level categories used for navigation. Follow the hierarchy to a sufficiently specific code and confirm the active code set, official guidance, and payer requirements.