All ICD10 Codes

Y21.4

Billable
ChapterV00–Y99
Ranksubcategory
Official Description

Drowning and submersion in natural water, 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
Y21.4Drowning and submersion in natural water, undetermined intentBillable
Y21.4XXADrowning and submersion in natural water, undetermined intent, initial encounterBillable
Y21.4XXDDrowning and submersion in natural water, undetermined intent, subsequent encounterBillable
Y21.4XXSDrowning and submersion in natural water, undetermined intent, sequelaBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to Y21.4:

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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