E933.1 Antineoplastic and immunosuppressive drugs
Azathioprine
Busulfan
Chlorambucil
Cyclophosphamide
Cytarabine
Fluorouracil
Mechlorethamine hydrochloride
Mercaptopurine
Triethylenethiophosphoramide [thio-TEPA]
Excludes:
antineoplastic antibiotics (E930.7)