A drug administered to a patient for treatment, listed in SEER*Rx as a chemotherapeutic, hormonal or immunotherapy agent should be coded under chemotherapy [#1390], hormone therapy [#1400] or immunotherapy [#1410] regardless of the primary site(s) listed in SEER*Rx for that agent. Do not code under the data item, Other Therapy [NAACCR #1420]. Refer to the 2026 SEER manual for more information.

Name Category Primary Site Code?
Molybdenum Ancillary Agent No
Trestolone Acetate Hormones and hormonal mechanisms No
Famciclovir AIDS drug No
Fluorothymidine AIDS drug No
MSL-109 AIDS drug No
Fansidar Ancillary Agent, AIDS drug No
Trospectomycin Sulfate AIDS drug No
N1177 Ancillary Agent Other cancer No
Methadone Hydrochloride Ancillary Agent No
Nalaxone Hydrochloride Ancillary Agent No
Flurbiprofen Ancillary Agent No
Mucopirocin AIDS drug No
Ryoncil Other therapy No
Morphine Sulfate Ancillary Agent No
U-87201E AIDS drug No
Etretinate Differentiation inducing agent No
U-85961 AIDS drug No
EMLA Cream (lidocaine 2.5% and prilocaine 2.5%) Ancillary Agent No
Erythropoietin Ancillary Agent AIDS, Opportunistic infection No
Plerixafor Ancillary Agent MM, Multiple myeloma, NHL, Non-hodgkins Lymphoma No
Urokinase Ancillary Agent No
Naltrexone Hydrochloride Ancillary Agent No
Mycophenolate Mofetil Ancillary Agent No
Myristic acid analogs AIDS drug No
Mupirocin Ancillary Agent AIDS, Opportunistic infection No
Ethambutol Hydrochloride AIDS drug No
Ethacrynic Acid Ancillary Agent No
MPI5020 Ancillary Agent Breast cancer No
Triflupromazine Hydrochloride Ancillary Agent No
Proscar Hormones and hormonal mechanisms Prostate No
Trimethoprim Ancillary Agent, AIDS drug AIDS, Opportunistic infection No
Trimethobenzamide Hydrochloride Ancillary Agent No
Etidronate Disodium Ancillary Agent No
Etoprine Ancillary Agent No
Trichosanthin AIDS drug No
Metoclopramide Ancillary Agent No
Endorphin Ancillary Agent No
Midazolam Hydrochloride Ancillary Agent No
Epoetin Alfa AIDS drug, Ancillary Agent No
Methylphenidate Hydrochloride Ancillary Agent No
Tropisetron Ancillary Agent No
Mirostepin Ancillary Agent Breast cancer No
Misonidazole Ancillary Agent No
Ethionamide AIDS drug No
Naproxen Sodium Ancillary Agent No
N-acetylcysteine AIDS drug No
U-90152 AIDS drug No
Nabilone Ancillary Agent No
Mycophenolic acid Ancillary Agent No
MN rgp120/HIV-1 AIDS drug No
Glossary