ICD-10-CM > S00-T88 > T36-T50 > T45 > T45.A > T45.AX > T45.AX2 T45.AX2 Poisoning by immune checkpoint inhibitors and immunostimulant drugs, intentional self-harm Non-Billable/Non-Specific Codes T45.AX2A..., initial encounterT45.AX2D..., subsequent encounterT45.AX2S..., sequela