ICD-10-CM > S00-T88 > T36-T50 > T45 > T45.A > T45.AX > T45.AX1 > T45.AX1D T45.AX1D Poisoning by immune checkpoint inhibitors and immunostimulant drugs, accidental (unintentional), subsequent encounter Billable/Specific Copy Code Copy Description Applicable To Poisoning by immune checkpoint inhibitors and immunosuppressive drugs NOS