What section of the cpt include coding immunization and chemotherapy?

Immunizations are coded in the 90471-90474 range in the CPT® codebook. CPT® describes the administration of vaccines and toxoids as "therapeutic immunization using immunizing agent not otherwise specified."

Chemotherapy is coded in the 96401-96585 range in the CPT® codebook. This includes the administration of systemic chemotherapy agents by intravenous, intramuscular, subcutaneous, intravesicular, intra-arterial, intraperitoneal, or other routes according to the dosage guidelines established by the specific drug monograph.