ICD-10-CM > V00-Y99 > Y21-Y33 > Y23 Y23 Rifle, shotgun and larger firearm discharge, undetermined intent Non-Billable/Non-Specific Type 2 Excludes airgun (Y24.0) Codes Y23.0Shotgun discharge, undetermined intentY23.0XXA..., initial encounterY23.0XXD..., subsequent encounterY23.0XXS..., sequelaY23.1Hunting rifle discharge, undetermined intentY23.1XXA..., initial encounterY23.1XXD..., subsequent encounterY23.1XXS..., sequelaY23.2Military firearm discharge, undetermined intentY23.2XXA..., initial encounterY23.2XXD..., subsequent encounterY23.2XXS..., sequelaY23.3Machine gun discharge, undetermined intentY23.3XXA..., initial encounterY23.3XXD..., subsequent encounterY23.3XXS..., sequelaY23.8Other larger firearm discharge, undetermined intentY23.8XXA..., initial encounterY23.8XXD..., subsequent encounterY23.8XXS..., sequelaY23.9Unspecified larger firearm discharge, undetermined intentY23.9XXA..., initial encounterY23.9XXD..., subsequent encounterY23.9XXS..., sequela