W00.1 vs W10
W00.1 (Fall from stairs and steps due to ice and snow) compared with W10 (Fall on and from stairs and steps), 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. W00.1 carries an Excludes1 note covering W10: “fall from stairs and steps not due to ice and snow (W10.-)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
No — do not report together. W10 carries an Excludes1 note covering W00.1: “Fall from stairs and steps due to ice and snow (W00.1)”
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
| W00.1Fall from stairs and steps due to ice and snow | W10Fall on and from stairs and steps | |
|---|---|---|
| Billing status | Non-billable header | Non-billable header Report instead: W10.0XXA, W10.0XXD, W10.0XXS, W10.1XXA, W10.1XXD |
| 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 is a non-billable ICD-10-CM category code (W00.1). | Fall on and from stairs and steps is a non-billable ICD-10-CM category code (W10). |
| 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 each code from category W10 |
| Includes | pedestrian on foot falling (slipping) on ice and snow | — |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources