Y21.9
ICD-10Non-billable categoryUnspecified drowning and submersion, undetermined intent
Official ICD-10-CM descriptor (FY2026)
Unspecified drowning and submersion, undetermined intent
Y21.9 is a category heading, not a billable code. CMS does not accept it on a claim; report one of the more specific codes beneath it.
Related codes in Y21
- Y21.0Drown while in bathtub, undetermined intentcategory
- Y21.1Drown after fall into bathtub, undetermined intentcategory
- Y21.2Drown while in swimming pool, undetermined intentcategory
- Y21.3Drown after fall into swimming pool, undetermined intentcategory
- Y21.4Drown in natural water, undetermined intentcategory
- Y21.8Other drowning and submersion, undetermined intentcategory
Where this code sits
- Parent code
- Y21
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.