Is W16.121 a billable code?
No. W16.121 is a header code that groups 3 more specific codes. Use one of the billable codes listed on this page instead.
ICD-10-CM FY2027 diagnosis code
W16.121: Fall into natural body of water striking bottom causing drowning and submersion
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
W16.121 groups related diagnoses under fall into natural body of water striking bottom causing drowning and submersion. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
Billable codes under W16.121
- W16.121AFall into natural body of water striking bottom causing drowning and submersion, initial encounter
- W16.121DFall into natural body of water striking bottom causing drowning and submersion, subsequent encounter
- W16.121SFall into natural body of water striking bottom causing drowning and submersion, sequela
Other codes in W16.12 Fall into natural body of water striking bottom
W16.121 questions
What does W16.121 mean?
W16.121 is the ICD-10-CM code for Fall into natural body of water striking bottom causing drowning and submersion. It is in chapter 21, External causes of morbidity (V00-Y99).
Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.