Is T45.AX2 a billable code?
No. T45.AX2 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
T45.AX2: Poisoning by immune checkpoint inhibitors and immunostimulant drugs, intentional self-harm
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
T45.AX2 groups related diagnoses under poisoning by immune checkpoint inhibitors and immunostimulant drugs, intentional self-harm. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
Billable codes under T45.AX2
- T45.AX2APoisoning by immune checkpoint inhibitors and immunostimulant drugs, intentional self-harm, initial encounter
- T45.AX2DPoisoning by immune checkpoint inhibitors and immunostimulant drugs, intentional self-harm, subsequent encounter
- T45.AX2SPoisoning by immune checkpoint inhibitors and immunostimulant drugs, intentional self-harm, sequela
Other codes in T45.AX Poisoning by, adverse effect of and underdosing of immune checkpoint inhibitors and immunostimulant drugs
- T45.AX1Poisoning by immune checkpoint inhibitors and immunostimulant drugs, accidental (unintentional)header
- T45.AX3Poisoning by immune checkpoint inhibitors and immunostimulant drugs, assaultheader
- T45.AX4Poisoning by immune checkpoint inhibitors and immunostimulant drugs, undeterminedheader
- T45.AX5Adverse effect of immune checkpoint inhibitors and immunostimulant drugsheader
- T45.AX6Underdosing of immune checkpoint inhibitors and immunostimulant drugsheader
T45.AX2 questions
What does T45.AX2 mean?
T45.AX2 is the ICD-10-CM code for Poisoning by immune checkpoint inhibitors and immunostimulant drugs, intentional self-harm. 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.