Y23 vs Y24.0
Y23 (Rifle, shotgun and larger firearm discharge, undetermined intent) compared with Y24.0 (Airgun discharge, undetermined intent), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2).
Can these codes be reported together?
Yes, when both are documented. Y23 carries an Excludes2 note covering Y24.0: “airgun (Y24.0)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| Y23Rifle, shotgun and larger firearm discharge, undetermined intent | Y24.0Airgun discharge, undetermined intent | |
|---|---|---|
| Billing status | Non-billable header Report instead: Y23.0XXA, Y23.0XXD, Y23.0XXS, Y23.1XXA, Y23.1XXD | Non-billable header |
| Classification | V00-Y99 — External Causes of Morbidity (V00-Y99) | V00-Y99 — External Causes of Morbidity (V00-Y99) |
| Definition | Rifle, shotgun and larger firearm discharge, undetermined intent is a non-billable ICD-10-CM category code (Y23). | Airgun discharge, undetermined intent is a non-billable ICD-10-CM category code (Y24.0). |
| 7th character | The appropriate 7th character is to be added to each code from category Y23 | The appropriate 7th character is to be added to each code from category Y24 |
| Includes | — | BB gun discharge, undetermined intent Pellet gun discharge, undetermined intent |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources