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External Causes Index
Drowning (accidental), stated as undetermined whether accidental or intentional

Drowning (accidental), stated as undetermined whether accidental or intentional

Y21.9

Source: official CMS/NCHS ICD-10-CM External Cause of Injuries Index. Informational only.

Data current as of FY2026 CMS/NCHS release. Not affiliated with or endorsed by CMS, HHS, or NCHS.

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