W26.0 vs W29.1
W26.0 (Contact with knife) compared with W29.1 (Contact with electric knife), 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. W26.0 carries an Excludes1 note covering W29.1: “contact with electric knife (W29.1)”
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
| W26.0Contact with knife | W29.1Contact with electric knife | |
|---|---|---|
| Billing status | Non-billable header | Non-billable header |
| Classification | V00-Y99 — External Causes of Morbidity (V00-Y99) | V00-Y99 — External Causes of Morbidity (V00-Y99) |
| Definition | Contact with knife is a non-billable ICD-10-CM category code (W26.0). | Contact with electric knife is a non-billable ICD-10-CM category code (W29.1). |
| 7th character | The appropriate 7th character is to be added to each code from category W26 | The appropriate 7th character is to be added to each code from category W29 |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources