All ICD10 Codes

Y21.9

Billable
ChapterV00–Y99
Ranksubcategory
Official Description

Unspecified drowning and submersion, undetermined intent

Metadata & Insights
  • •Billable/specific code (valid for reimbursement).
  • •Chapter 20: External Causes of Morbidity (V00-Y99).
General instructions are available for the parent sections:
View Y21-Y33 Notes

Clinical Hierarchy

BillableHas subcodes
CH20External causes of morbidity (V00-Y99)
Y21-Y33Event of undetermined intent (Y21-Y33)
Y21Drowning and submersion, undetermined intent
Y21.9Unspecified drowning and submersion, undetermined intentBillable
Y21.9XXAUnspecified drowning and submersion, undetermined intent, initial encounterBillable
Y21.9XXDUnspecified drowning and submersion, undetermined intent, subsequent encounterBillable
Y21.9XXSUnspecified drowning and submersion, undetermined intent, sequelaBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to Y21.9:

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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