W21.0 — Struck by hit or thrown ball
Is W21.0 billable?
No — W21.0 is a non-billable header code. W21.0 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 27 billable codes beneath W21.0.
Billable codes under this header
- W21.00XAStruck by hit or thrown ball, unspecified type, initial encounter
- W21.00XDStruck by hit or thrown ball, unspecified type, subsequent encounter
- W21.00XSStruck by hit or thrown ball, unspecified type, sequela
- W21.01XAStruck by football, initial encounter
- W21.01XDStruck by football, subsequent encounter
- W21.01XSStruck by football, sequela
- W21.02XAStruck by soccer ball, initial encounter
- W21.02XDStruck by soccer ball, subsequent encounter
- W21.02XSStruck by soccer ball, sequela
- W21.03XAStruck by baseball, initial encounter
- W21.03XDStruck by baseball, subsequent encounter
- W21.03XSStruck by baseball, sequela
- W21.04XAStruck by golf ball, initial encounter
- W21.04XDStruck by golf ball, subsequent encounter
- W21.04XSStruck by golf ball, sequela
- W21.05XAStruck by basketball, initial encounter
- W21.05XDStruck by basketball, subsequent encounter
- W21.05XSStruck by basketball, sequela
- W21.06XAStruck by volleyball, initial encounter
- W21.06XDStruck by volleyball, subsequent encounter
- W21.06XSStruck by volleyball, sequela
- W21.07XAStruck by softball, initial encounter
- W21.07XDStruck by softball, subsequent encounter
- W21.07XSStruck by softball, sequela
- W21.09XAStruck by other hit or thrown ball, initial encounter
- W21.09XDStruck by other hit or thrown ball, subsequent encounter
- W21.09XSStruck by other hit or thrown ball, sequela
W21.0 at a glance
| Code | W21.0 |
|---|---|
| Description | Struck by hit or thrown ball |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Excludes1 — never code together — inherited from W20-W49
The conditions below can never be reported together with W21.0 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
Excludes1 — never code together — inherited from W21
The conditions below can never be reported together with W21.0 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
What codes fall under W21.0? (9)
- W21.00Struck by hit or thrown ball, unspecified typenot billable
- W21.01Struck by footballnot billable
- W21.02Struck by soccer ballnot billable
- W21.03Struck by baseballnot billable
- W21.04Struck by golf ballnot billable
- W21.05Struck by basketballnot billable
- W21.06Struck by volleyballnot billable
- W21.07Struck by softballnot billable
- W21.09Struck by other hit or thrown ballnot billable
How long has W21.0 existed?
W21.0 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.
What other codes are in the W21 family? (6)
- W21.1Struck by bat, racquet or clubnot billable
- W21.2Struck by hockey stick or pucknot billable
- W21.3Struck by sports foot wearnot billable
- W21.4Striking against diving boardnot billable
- W21.8Striking against or struck by other sports equipmentnot billable
- W21.9Striking against or struck by unspecified sports equipmentnot billable