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2. ICD-10 Codes
3. Chapter - V00-Y99
4. Section - Y21-Y33
5. Category - Y21
6. Y21.4

Y21.4 - Drowning and submersion in natural water, undetermined intent

• Applicable to Drowning and submersion in natural water, undetermined intent
• The 2025 edition of ICD10-CM Y21.4 became effective on October 1, 2024.
• This is the American ICD10-CM version of Y21.4 - other international versions of ICD10 Y21.4 may differ.
• Y21.4 is a Billable / Specific ICD10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

The following codes above Y21.4 contain annotation back-references that may be applicable to Y21.4:

• Chapter: V00-Y99 - External causes of morbidity
• Section: Y21-Y33 - Event of undetermined intent
• Category: Y21 - Drowning and submersion, undetermined intent

Browse other similar CM codes:

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.