ICD-10-CM > S00-T88 > T36-T50 > T45 > T45.1 > T45.1X > T45.1X5 T45.1X5 Adverse effect of antineoplastic and immunosuppressive drugs Non-Billable/Non-Specific Codes T45.1X5A..., initial encounterT45.1X5D..., subsequent encounterT45.1X5S..., sequela