Y21-Y33

Non-Billable
ChapterV00–Y99
Rankblock
Official Description

Event of undetermined intent (Y21-Y33)

Metadata & Insights
  • 2026 ICD-10-CM Edition - Effective October 1, 2025.
  • 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

CH20External causes of morbidity (V00-Y99)
Y21-Y33Event of undetermined intent (Y21-Y33)
Y21Drowning and submersion, undetermined intent
Y22Handgun discharge, undetermined intent
Y23Rifle, shotgun and larger firearm discharge, undetermined intent
Y24Other and unspecified firearm discharge, undetermined intent
Y25Contact with explosive material, undetermined intent
Y26Exposure to smoke, fire and flames, undetermined intent
Y27Contact with steam, hot vapors and hot objects, undetermined intent
Y28Contact with sharp object, undetermined intent
Y29Contact with blunt object, undetermined intent
Y30Falling, jumping or pushed from a high place, undetermined intent
Y31Falling, lying or running before or into moving object, undetermined intent
Y32Crashing of motor vehicle, undetermined intent
Y33Other specified events, undetermined intent

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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