W21.9

Billable

Striking against or struck by unspecified sports equipment

W21.9 is the ICD-10-CM code for Striking against or struck by unspecified sports equipment. It is a billable, specific code valid for reimbursement.

Status
Billable
Chapter
V00-Y99
Parent
W21
Edition
FY2026

V00-Y99 External causes of morbidity

What this means — in plain language

MedlinePlus · NIH

Exercising is good for you, but sometimes you can injure yourself when you play sports or exercise. Accidents, poor training practices, or improper gear can cause them. Some people get hurt because they are not in shape. Not warming up or stretching enough can also lead to injuries. The most common sports injuries are: Sprains and strains Knee injuries Swollen muscles Achilles tendon injuries Pain along the shin…

Read more about Sports Injuries at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code W21.9?
W21.9 is the ICD-10-CM code for "Striking against or struck by unspecified sports equipment". It falls under V00-Y99 External causes of morbidity.
Is W21.9 a billable code?
Yes — W21.9 is a billable, specific ICD-10-CM code valid for reimbursement.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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