T45.A 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.
Type 1 excludes
Poisoning by, adverse effect of and underdosing of antineoplastic and immunosuppressive drug (T45.1)
Codes
Versions
2025
New code