W20.0Header code — not billable

Struck by falling object in cave-in

Chapter
20. External causes of morbidity
Category
W20
Effective date
October 1, 2026

Related codes in category W20

Frequently asked questions

What is ICD-10 code W20.0?

W20.0 is an ICD-10-CM diagnosis code for Struck by falling object in cave-in.

Is W20.0 a billable code?

No. W20.0 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 W20.0 in?

W20.0 falls under Chapter 20: External causes of morbidity.

When did W20.0 become effective?

W20.0 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to W20.0?

W20.0 belongs to category W20, 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.