Y21.9⚠ Requires 7th Character

Unspecified drowning and submersion, undetermined intent

⚠ 7th Character Required

The appropriate 7th character is to be added to each code from category Y21

This code is not valid for billing without a 7th character. Append one of the following to Y21.9:

Ainitial encounterY21.9XXADsubsequent encounterY21.9XXDSsequelaY21.9XXS

Sub-codes of Y21.9(3)

Y21.9 is a non-billable header. Select a sub-code to bill.

Y21.9AUnspecified drowning and submersion, undetermined intent, in…✓ BillableY21.9DUnspecified drowning and submersion, undetermined intent, su…✓ BillableY21.9SUnspecified drowning and submersion, undetermined intent, se…✓ Billable

Also Indexed As(ICD-10-CM Alphabetic Index)

These clinical terms, synonyms, and manifestations all map to Y21.9 in the official ICD-10-CM Alphabetic Index.

Drowning (accidental), stated as undetermined whether accidental or intentionalUndetermined intent (contact) (exposure), drowning (submersion) (in)

Code Hierarchy

┌20External causes of morbidity (V00-Y99)├Y21-Y33Event of undetermined intent (Y21-Y33)├Y21Drowning and submersion, undetermined intent
└Y21.9Unspecified drowning and submersion, undetermined intent

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