Is T63.421 a billable code?
No. T63.421 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
T63.421: Toxic effect of venom of ants, accidental (unintentional)
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
T63.421 groups related diagnoses under toxic effect of venom of ants, accidental (unintentional). It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
Billable codes under T63.421
- T63.421AToxic effect of venom of ants, accidental (unintentional), initial encounter
- T63.421DToxic effect of venom of ants, accidental (unintentional), subsequent encounter
- T63.421SToxic effect of venom of ants, accidental (unintentional), sequela
Other codes in T63.42 Toxic effect of venom of ants
T63.421 questions
What does T63.421 mean?
T63.421 is the ICD-10-CM code for Toxic effect of venom of ants, accidental (unintentional). It is in chapter 19, Injury, poisoning and certain other consequences of external causes (S00-T88).
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.