T45.AX is a new non-billable/non-specific diagnosis code introduced in the 2025 ICD-10-CM used to classify the following condition: Poisoning by, adverse effect of and underdosing of immune checkpoint inhibitors and immunostimulant drugs.
Codes
T45.AX1
Poisoning by immune checkpoint inhibitors and immunostimulant drugs, accidental (unintentional)
T45.AX2
Poisoning by immune checkpoint inhibitors and immunostimulant drugs, intentional self-harm
T45.AX3
Poisoning by immune checkpoint inhibitors and immunostimulant drugs, assault
T45.AX4
Poisoning by immune checkpoint inhibitors and immunostimulant drugs, undetermined
T45.AX5
Adverse effect of immune checkpoint inhibitors and immunostimulant drugs
T45.AX6
Underdosing of immune checkpoint inhibitors and immunostimulant drugs
Versions
2025
New code