V93.4 vs W35
V93.4 (Struck by falling object on board watercraft) compared with W35 (Explosion and rupture of boiler), from the official CMS tabular data. Do not report these codes together: the official tabular list marks them Excludes1.
Can these codes be reported together?
No — do not report together. W35 carries an Excludes1 note covering V93.4: “explosion and rupture of boiler on watercraft (V93.4)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
Side by side
| V93.4Struck by falling object on board watercraft | W35Explosion and rupture of boiler | |
|---|---|---|
| Billing status | Non-billable header Report instead: V93.40XA, V93.40XD, V93.40XS, V93.41XA, V93.41XD | Non-billable header |
| Classification | V00-Y99 — External Causes of Morbidity (V00-Y99) | V00-Y99 — External Causes of Morbidity (V00-Y99) |
| Definition | Struck by falling object on board watercraft is a non-billable ICD-10-CM category code (V93.4). | Explosion and rupture of boiler is a non-billable ICD-10-CM category code (W35). |
| 7th character | The appropriate 7th character is to be added to each code from category V93 | The appropriate 7th character is to be added to code W35 |
| Includes | Hit by falling object on board watercraft | — |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources