W21.9

ICD-10Non-billable category

Striking against or struck by unspecified sports equipment

Official ICD-10-CM descriptor (FY2026)

Striking against or struck by unspecified sports equipment

W21.9 is a category heading, not a billable code. CMS does not accept it on a claim; report one of the more specific codes beneath it.

Related codes in W21

Where this code sits

Chapter: 20. External causes of morbidity (V00-Y99)
Block: Exposure to inanimate mechanical forces (W20-W49)
Parent code: W21

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Source

ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.