Is W56.3 a billable code?
No. W56.3 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
W56.3: Contact with other marine mammals
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
W56.3 groups related diagnoses under contact with other marine mammals. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
Other codes in W56 Contact with nonvenomous marine animal
W56.3 questions
What does W56.3 mean?
W56.3 is the ICD-10-CM code for Contact with other marine mammals. 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.