Y21-Y33

Event of undetermined intent

Event of undetermined intent (Y21-Y33) is a block within ICD-10-CM Chapter 20: External causes of morbidity. It holds 13 categories.

Inclusion terms

  • 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)

Categories in Y21-Y33

Source

ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.

Get codes automatically as you write notes. Krasyn AI Coder for Chrome — free for 50 analyses.Install free →