Y21-Y33

Non-Billable
ChapterV00–Y99
Rankblock
Official Description

Event of undetermined intent (Y21-Y33)

Metadata & Insights
  • Non-billable category (requires more specific sub-code).
  • Chapter 20: External Causes of Morbidity (V00-Y99).

Instructional Notes

Includes
  • Undetermined intent is only for use when there is specific documentation in the record that the intent of the injury cannot be determined. If no such documentation is present, code to accidental (unintentional)

Clinical Hierarchy

BillableHas subcodes
CH20External causes of morbidity (V00-Y99)
Y21-Y33Event of undetermined intent (Y21-Y33)Not billable
Y21Drowning and submersion, undetermined intentSubcodes
Y22Handgun discharge, undetermined intentBillable
Y23Rifle, shotgun and larger firearm discharge, undetermined intentSubcodes
Y24Other and unspecified firearm discharge, undetermined intentSubcodes
Y25Contact with explosive material, undetermined intentBillable
Y26Exposure to smoke, fire and flames, undetermined intentBillable
Y27Contact with steam, hot vapors and hot objects, undetermined intentSubcodes
Y28Contact with sharp object, undetermined intentSubcodes
Y29Contact with blunt object, undetermined intentBillable
Y30Falling, jumping or pushed from a high place, undetermined intentBillable
Y31Falling, lying or running before or into moving object, undetermined intentBillable
Y32Crashing of motor vehicle, undetermined intentBillable
Y33Other specified events, undetermined intentBillable

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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