W16.321ABillable

Fall into other water striking bottom causing drowning and submersion, initial encounter

Short description: Fall into oth water striking bottom causing drown, init

Chapter
20. External causes of morbidity
Category
W16
Effective date
October 1, 2026

Related codes in category W16

Frequently asked questions

What is ICD-10 code W16.321A?

W16.321A is an ICD-10-CM diagnosis code for Fall into other water striking bottom causing drowning and submersion, initial encounter.

Is W16.321A a billable code?

Yes. W16.321A is billable and specific enough to be used on a claim.

What ICD-10-CM chapter is W16.321A in?

W16.321A falls under Chapter 20: External causes of morbidity.

When did W16.321A become effective?

W16.321A has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to W16.321A?

W16.321A belongs to category W16, which includes 12 other codes — see the related codes list on this page.

ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.