W20 — Struck by thrown, projected or falling object
Is W20 billable?
No — W20 is a non-billable header code. W20 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 9 billable codes beneath W20.
Billable codes under this header
- W20.0XXAStruck by falling object in cave-in, initial encounter
- W20.0XXDStruck by falling object in cave-in, subsequent encounter
- W20.0XXSStruck by falling object in cave-in, sequela
- W20.1XXAStruck by object due to collapse of building, initial encounter
- W20.1XXDStruck by object due to collapse of building, subsequent encounter
- W20.1XXSStruck by object due to collapse of building, sequela
- W20.8XXAOther cause of strike by thrown, projected or falling object, initial encounter
- W20.8XXDOther cause of strike by thrown, projected or falling object, subsequent encounter
- W20.8XXSOther cause of strike by thrown, projected or falling object, sequela
W20 at a glance
| Code | W20 |
|---|---|
| Description | Struck by thrown, projected or falling object |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Excludes1 — never code together
The conditions below can never be reported together with W20 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
Code first
The underlying condition below must be sequenced before W20. W20 describes a manifestation and cannot be the principal or first-listed diagnosis.
Excludes1 — never code together — inherited from W20-W49
The conditions below can never be reported together with W20 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 W20? (3)
How long has W20 existed?
W20 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.