W00Header code — not billable
Fall due to ice and snow
- Chapter
- 20. External causes of morbidity
- Category
- W00
- Effective date
- October 1, 2026
Related codes in category W00
W00.0Fall on same level due to ice and snowW00.0XXAFall on same level due to ice and snow, initial encounterYesW00.0XXDFall on same level due to ice and snow, subsequent encounterYesW00.0XXSFall on same level due to ice and snow, sequelaYesW00.1Fall from stairs and steps due to ice and snowW00.1XXAFall from stairs and steps due to ice and snow, init encntrYesW00.1XXDFall from stairs and steps due to ice and snow, subs encntrYesW00.1XXSFall from stairs and steps due to ice and snow, sequelaYesW00.2Other fall from one level to another due to ice and snowW00.2XXAOth fall from one level to another due to ice and snow, initYesW00.2XXDOth fall from one level to another due to ice and snow, subsYesW00.2XXSOth fall from one level to another due to ice and snow, sqlaYes
Frequently asked questions
What is ICD-10 code W00?
W00 is an ICD-10-CM diagnosis code for Fall due to ice and snow.
Is W00 a billable code?
No. W00 is a category/header code, not billable on its own — use one of its more specific child codes instead.
What ICD-10-CM chapter is W00 in?
W00 falls under Chapter 20: External causes of morbidity.
When did W00 become effective?
W00 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to W00?
W00 belongs to category W00, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.