W73
ICD-10Non-billable categoryOth cause of accidental non-transport drown
Official ICD-10-CM descriptor (FY2026)
Other specified cause of accidental non-transport drowning and submersion
W73 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.
Inclusion terms
- Accidental drowning and submersion while in quenching tank
- Accidental drowning and submersion while in reservoir
Excludes1
Not coded here. An Excludes1 code should never be reported at the same time as the code above it.
- accidental drowning and submersion due to fall into other water (W16.311, W16.321, W16.331)
7th character
- The appropriate 7th character is to be added to code W73
Permitted 7th characters
| A | initial encounter |
| D | subsequent encounter |
| S | sequela |
Where this code sits
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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.