Is Y21.4 a billable code?
No. Y21.4 is a header code that groups 0 more specific codes. Use one of the billable codes listed on this page instead.
ICD-10-CM FY2027 diagnosis code
Y21.4: Drowning and submersion in natural water, undetermined intent
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
Y21.4 groups related diagnoses under drowning and submersion in natural water, undetermined intent. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
Other codes in Y21 Drowning and submersion, undetermined intent
- Y21.0Drowning and submersion while in bathtub, undetermined intentheader
- Y21.1Drowning and submersion after fall into bathtub, undetermined intentheader
- Y21.2Drowning and submersion while in swimming pool, undetermined intentheader
- Y21.3Drowning and submersion after fall into swimming pool, undetermined intentheader
- Y21.8Other drowning and submersion, undetermined intentheader
- Y21.9Unspecified drowning and submersion, undetermined intentheader
Y21.4 questions
What does Y21.4 mean?
Y21.4 is the ICD-10-CM code for Drowning and submersion in natural water, undetermined intent. 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.