Is T46.996 a billable code?
No. T46.996 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
T46.996: Underdosing of other agents primarily affecting the cardiovascular system
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
T46.996 groups related diagnoses under underdosing of other agents primarily affecting the cardiovascular system. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
Billable codes under T46.996
- T46.996AUnderdosing of other agents primarily affecting the cardiovascular system, initial encounter
- T46.996DUnderdosing of other agents primarily affecting the cardiovascular system, subsequent encounter
- T46.996SUnderdosing of other agents primarily affecting the cardiovascular system, sequela
Other codes in T46.99 Poisoning by, adverse effect of and underdosing of other agents primarily affecting the cardiovascular system
- T46.991Poisoning by other agents primarily affecting the cardiovascular system, accidental (unintentional)header
- T46.992Poisoning by other agents primarily affecting the cardiovascular system, intentional self-harmheader
- T46.993Poisoning by other agents primarily affecting the cardiovascular system, assaultheader
- T46.994Poisoning by other agents primarily affecting the cardiovascular system, undeterminedheader
- T46.995Adverse effect of other agents primarily affecting the cardiovascular systemheader
T46.996 questions
What does T46.996 mean?
T46.996 is the ICD-10-CM code for Underdosing of other agents primarily affecting the cardiovascular system. 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.