Y31

Billable
ChapterV00–Y99
Rankcategory
Official Description

Falling, lying or running before or into moving object, undetermined intent

Metadata & Insights
  • Billable/specific code (valid for reimbursement).
  • Chapter 20: External Causes of Morbidity (V00-Y99).

Y21-Y33 Parent Instructions

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)
Y31Falling, lying or running before or into moving object, undetermined intentBillable
Y31.XXXAFalling, lying or running before or into moving object, undetermined intent, initial encounterBillable
Y31.XXXDFalling, lying or running before or into moving object, undetermined intent, subsequent encounterBillable
Y31.XXXSFalling, lying or running before or into moving object, undetermined intent, sequelaBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to Y31:

blockY21-Y33
Event of undetermined intent (Y21-Y33)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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