W16.621S
✓ BillableJumping or diving into natural body of water striking bottom causing drowning and submersion, sequela
External causes of morbidity (V00-Y99)
❌ Excludes1
inheritedRules inherited from parent codes in the hierarchy.
- • drowning and submersion while in natural body of water without jumping or diving (W69)
- • accidental non-watercraft drowning and submersion not involving fall (W65-W74)
- • effects of air pressure from diving (W94.-)
- • fall into water from watercraft (V90-V94)
- • hitting an object or against bottom when falling from watercraft (V94.0)
⚠️ Excludes2
inheritedRules inherited from parent codes.
- • striking or hitting diving board (W21.4)
Clinical Description
ICD-10-CM code W16.621S represents jumping or diving into natural body of water striking bottom causing drowning and submersion, sequela. This code falls under the External causes of morbidity (V00-Y99) classification. It is a billable/specific code valid for HIPAA-covered transactions as of October 1, 2025 (FY2026). This code can be used to indicate a diagnosis for reimbursement purposes on insurance claims.
This is a 8-character code at the 7th level of specificity. This is the most specific code available in this subcategory. Coders should note that W16.621S has 5 Excludes1 restriction(s) — codes that cannot be reported together on the same claim.
Frequently Asked Questions
What is ICD-10 code W16.621S?
ICD-10-CM code W16.621S is "Jumping or diving into natural body of water striking bottom causing drowning and submersion, sequela". It belongs to the category: External causes of morbidity (V00-Y99).
Is W16.621S a billable ICD-10 code?
Yes, W16.621S is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
What codes are excluded with W16.621S?
W16.621S has 5 Excludes1 rule(s). These codes are mutually exclusive and cannot be coded together on the same claim.
Can W16.621S be coded with other codes?
W16.621S has 1 Excludes2 note(s). These conditions can be coded together if both are documented in the patient record.
Related Codes in W16.621
Other codes in the same category that may be relevant for differential coding:
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Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)