W00.1XXA vs Y01
W00.1XXA (Fall from stairs and steps due to ice and snow, initial encounter) compared with Y01 (Assault by pushing from high place), 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. W00.1XXA carries an Excludes1 note covering Y01: “assault involving a fall (Y01-Y02)”
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
| W00.1XXAFall from stairs and steps due to ice and snow, initial encounter | Y01Assault by pushing from high place | |
|---|---|---|
| Billing status | Billable | Non-billable header |
| Classification | V00-Y99 — External Causes of Morbidity (V00-Y99) | V00-Y99 — External Causes of Morbidity (V00-Y99) |
| Definition | Fall from stairs and steps due to ice and snow, initial encounter is a billable ICD-10-CM diagnosis code (W00.1A). | Assault by pushing from high place is a non-billable ICD-10-CM category code (Y01). |
| 7th character | The appropriate 7th character is to be added to each code from category W00 | The appropriate 7th character is to be added to code Y01 |
| Includes | pedestrian on foot falling (slipping) on ice and snow | 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