W21 ICD-10-CM Code: Striking against or struck by sports equipment
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Official description
W21Striking against or struck by sports equipment
ICD-10-CM diagnosis code · United States clinical modification
Where W21 sits
- 1
Chapter 20
External causes of morbidity (V00-Y99)
- 2
Section
Accidents (V00-X58)
- 3
Category W21
Striking against or struck by sports equipment
- 4
Code W21
Striking against or struck by sports equipment
Codes under W21
W21 is a non-billable category. Choose the child code that best matches the documented diagnosis.
Notes for this code
Inclusion terms
No inclusion terms are listed for W21.
Code first
No “code first” instruction is listed for W21.
Use additional code
No “use additional code” instruction is listed for W21.
Excludes1
Conditions that should not be reported together with this code.
- assault with sports equipment (Y08.0-)
- striking against or struck by sports equipment with subsequent fall (W18.01)
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for W21.
Source and release
- Data release
- U.S. ICD-10-CM · FY 2027
- Effective date
- Oct 1, 2026
- Publisher
- Vero Scribe Inc.
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Frequently asked questions
What does ICD-10-CM code W21 mean?
W21 is the FY 2027 U.S. ICD-10-CM code for “Striking against or struck by sports equipment.”
Is W21 a billable or specific ICD-10-CM code?
No. W21 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.
Where is W21 located in ICD-10-CM?
W21 is listed in Chapter 20, External causes of morbidity (V00-Y99), within Accidents (V00-X58) (V00–X58), under category W21, Striking against or struck by sports equipment.
What coding notes are listed for W21?
No inclusion terms are listed for W21 in this reference record. No code-first instruction is listed. Excludes1 notes: assault with sports equipment (Y08.0-); striking against or struck by sports equipment with subsequent fall (W18.01). No Excludes2 note is listed.