W46 vs X92
W46 (Contact with hypodermic needle) compared with X92 (Assault by drowning and submersion), 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. W46 carries an Excludes1 note covering X92: “assault (X92-Y09)”
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
| W46Contact with hypodermic needle | X92Assault by drowning and submersion | |
|---|---|---|
| Billing status | Non-billable header Report instead: W46.0XXA, W46.0XXD, W46.0XXS, W46.1XXA, W46.1XXD | Non-billable header Report instead: X92.0XXA, X92.0XXD, X92.0XXS, X92.1XXA, X92.1XXD |
| Classification | V00-Y99 — External Causes of Morbidity (V00-Y99) | V00-Y99 — External Causes of Morbidity (V00-Y99) |
| Definition | Contact with hypodermic needle is a non-billable ICD-10-CM category code (W46). | Assault by drowning and submersion is a non-billable ICD-10-CM category code (X92). |
| 7th character | The appropriate 7th character is to be added to each code from category W46 | The appropriate 7th character is to be added to each code from category X92 |
| Includes | — | homicide injuries inflicted by another person with intent to injure or kill, by any means |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources