W21.03XA — Struck by baseball, initial encounter
Is W21.03XA billable?
Yes — W21.03XA is billable for FY2027. W21.03XA is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. W21.03XA may be submitted for encounters from October 1, 2026 through September 30, 2027.
W21.03XA at a glance
| Code | W21.03XA |
|---|---|
| Description | Struck by baseball, initial encounter |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
| 7th character "A" | initial encounter |
What does the 7th character "A" mean in W21.03XA?
In W21.03XA, the 7th character A means initial encounter. The 7th character is required for W21.03XA to be a valid, complete code.
Same condition, different episode of care — switch the 7th character:
How is W21.03XA listed in the External Cause Index?
The External Cause of Injuries Index lists these routes under W21.03, the nearest indexed parent of W21.03XA. This is a separate index from the Alphabetic Index and is where external cause codes are looked up.
- Struckby › ball › baseball (accidentally)
- Struckby › sports equipment › ball › baseball (accidentally)
- Struckby › object › projected › in sports › ball › baseball (accidentally)
- Struckby › object › thrown › in sports › ball › baseball (accidentally)
Excludes1 — never code together — inherited from W20-W49
The conditions below can never be reported together with W21.03XA 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 W21.03XA on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
How long has W21.03XA existed?
W21.03XA 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.