W49.9Header code — not billable
Exposure to other inanimate mechanical forces
- Chapter
- 20. External causes of morbidity
- Category
- W49
- Effective date
- October 1, 2026
Related codes in category W49
W49Exposure to other inanimate mechanical forcesW49.0Item causing external constrictionW49.01Hair causing external constrictionW49.01XAHair causing external constriction, initial encounterYesW49.01XDHair causing external constriction, subsequent encounterYesW49.01XSHair causing external constriction, sequelaYesW49.02String or thread causing external constrictionW49.02XAString or thread causing external constriction, init encntrYesW49.02XDString or thread causing external constriction, subs encntrYesW49.02XSString or thread causing external constriction, sequelaYesW49.03Rubber band causing external constrictionW49.03XARubber band causing external constriction, initial encounterYes
Frequently asked questions
What is ICD-10 code W49.9?
W49.9 is an ICD-10-CM diagnosis code for Exposure to other inanimate mechanical forces.
Is W49.9 a billable code?
No. W49.9 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 W49.9 in?
W49.9 falls under Chapter 20: External causes of morbidity.
When did W49.9 become effective?
W49.9 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to W49.9?
W49.9 belongs to category W49, 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.