T45.AX4 is a new non-billable/non-specific diagnosis code introduced in the 2025 ICD-10-CM used to classify the following condition: Poisoning by immune checkpoint inhibitors and immunostimulant drugs, undetermined.
Codes
T45.AX4A
Poisoning by immune checkpoint inhibitors and immunostimulant drugs, undetermined, initial encounter
T45.AX4D
Poisoning by immune checkpoint inhibitors and immunostimulant drugs, undetermined, subsequent encounter
T45.AX4S
Poisoning by immune checkpoint inhibitors and immunostimulant drugs, undetermined, sequela
Versions
2025
New code