V91 vs V93.53XA
V91 (Other injury due to accident to watercraft) compared with V93.53XA (Explosion on board other powered watercraft, initial encounter), 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. V93.53XA carries an Excludes1 note covering V91: “other injury due to accident to watercraft (V91.-)”
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
| V91Other injury due to accident to watercraft | V93.53XAExplosion on board other powered watercraft, initial encounter | |
|---|---|---|
| Billing status | Non-billable header Report instead: V91.00XA, V91.00XD, V91.00XS, V91.01XA, V91.01XD | Billable |
| Classification | V00-Y99 — External Causes of Morbidity (V00-Y99) | V00-Y99 — External Causes of Morbidity (V00-Y99) |
| Definition | Other injury due to accident to watercraft is a non-billable ICD-10-CM category code (V91). | Explosion on board other powered watercraft, initial encounter is a billable ICD-10-CM diagnosis code (V93.53A). |
| 7th character | The appropriate 7th character is to be added to each code from category V91 | The appropriate 7th character is to be added to each code from category V93 |
| Includes | any injury except drowning and submersion as a result of an accident to watercraft | Explosion on board Hovercraft Explosion on board Jet ski |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources