W10.9Header code — not billable
Fall (on) (from) unspecified stairs and steps
- Chapter
- 20. External causes of morbidity
- Category
- W10
- Effective date
- October 1, 2026
Related codes in category W10
W10Fall on and from stairs and stepsW10.0Fall (on)(from) escalatorW10.0XXAFall (on)(from) escalator, initial encounterYesW10.0XXDFall (on)(from) escalator, subsequent encounterYesW10.0XXSFall (on)(from) escalator, sequelaYesW10.1Fall (on)(from) sidewalk curbW10.1XXAFall (on)(from) sidewalk curb, initial encounterYesW10.1XXDFall (on)(from) sidewalk curb, subsequent encounterYesW10.1XXSFall (on)(from) sidewalk curb, sequelaYesW10.2Fall (on)(from) inclineW10.2XXAFall (on)(from) incline, initial encounterYesW10.2XXDFall (on)(from) incline, subsequent encounterYes
Frequently asked questions
What is ICD-10 code W10.9?
W10.9 is an ICD-10-CM diagnosis code for Fall (on) (from) unspecified stairs and steps.
Is W10.9 a billable code?
No. W10.9 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 W10.9 in?
W10.9 falls under Chapter 20: External causes of morbidity.
When did W10.9 become effective?
W10.9 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to W10.9?
W10.9 belongs to category W10, 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.