W21.03XABillable

Struck by baseball, initial encounter

Chapter
20. External causes of morbidity
Category
W21
Effective date
October 1, 2026

Related codes in category W21

Frequently asked questions

What is ICD-10 code W21.03XA?

W21.03XA is an ICD-10-CM diagnosis code for Struck by baseball, initial encounter.

Is W21.03XA a billable code?

Yes. W21.03XA is billable and specific enough to be used on a claim.

What ICD-10-CM chapter is W21.03XA in?

W21.03XA falls under Chapter 20: External causes of morbidity.

When did W21.03XA become effective?

W21.03XA has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to W21.03XA?

W21.03XA belongs to category W21, 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.