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?
Etidronate Disodium Ancillary Agent No
RIGScanCR49 Ancillary Agent Colorectal cancer No
Urokinase Ancillary Agent No
rgp120/HIV-1 (IIIB) AIDS drug No
Rhenium 186 Etidronate Ancillary Agent No
Rhenium-186 Ancillary Agent No
Ethambutol Hydrochloride AIDS drug No
Naproxen Sodium Ancillary Agent No
Cimetidine Ancillary Agent Other No
Clindamycin AIDS drug No
Etoprine Ancillary Agent No
Inosine - Component of Isoprinosine Ancillary Agent No
N-acetylcysteine AIDS drug No
Naltrexone Hydrochloride Ancillary Agent No
Nalaxone Hydrochloride Ancillary Agent No
Chlorpromazine Ancillary Agent No
Indium In 111 imciromab pentetate Ancillary Agent No
Imuthiol AIDS drug No
Fluorothymidine AIDS drug No
Etretinate Differentiation inducing agent No
Triflupromazine Hydrochloride Ancillary Agent No
Maxy-G34 Ancillary Agent No
N1177 Ancillary Agent Other cancer No
Nabilone Ancillary Agent No
Iobenguane I 131 Ancillary Agent No
Palifermin Ancillary Agent No
Trimethoprim Ancillary Agent, AIDS drug AIDS, Opportunistic infection No
Mycophenolate Mofetil Ancillary Agent No
U-87201E AIDS drug No
Mycophenolic acid Ancillary Agent No
Myristic acid analogs AIDS drug No
Trimethobenzamide Hydrochloride Ancillary Agent No
Trospectomycin Sulfate AIDS drug No
Testosterone Undecanoate Hormones and hormonal mechanisms No
Flurbiprofen Ancillary Agent No
Tioconazole AIDS drug AIDS, Opportunistic infection No
Thymopentin AIDS drug No
Thiabendazole AIDS drug No
Atovaquone AIDS drug No
Tariquidar Ancillary Agent Breast, Cervix, Lung, Ovarian cancer No
Mupirocin Ancillary Agent AIDS, Opportunistic infection No
Mucopirocin AIDS drug No
MSL-109 AIDS drug No
MPI5020 Ancillary Agent Breast cancer No
Ryoncil Other therapy No
Trichosanthin AIDS drug No
Proscar Hormones and hormonal mechanisms Prostate No
Lithium Carbonate Ancillary Agent No
Morphine Sulfate Ancillary Agent No
Endorphin Ancillary Agent No
EMLA Cream (lidocaine 2.5% and prilocaine 2.5%) Ancillary Agent No
Fansidar Ancillary Agent, AIDS drug No
Levulan Ancillary Agent Bladder cancer No
Levonantradol Ancillary Agent No
Famciclovir AIDS drug No
U-85961 AIDS drug No
Epoetin Alfa AIDS drug, Ancillary Agent No
Sulfadiazine Ancillary Agent, AIDS drug AIDS, Opportunistic infection No
Molybdenum Ancillary Agent No
Loviride AIDS drug No
Dianoxide Furoate AIDS drug No
Lonidamine Ancillary Agent No
Dextran Sulfate AIDS drug No
Mannitol Ancillary Agent No
Magnesium Sulfate Ancillary Agent No
Trestolone Acetate Hormones and hormonal mechanisms No
MN rgp120/HIV-1 AIDS drug No
NeoTide Ancillary Agent Lung cancer No
Plerixafor Ancillary Agent MM, Multiple myeloma, NHL, Non-hodgkins Lymphoma No
Dideoxyadenosine AIDS drug No
Mirostepin Ancillary Agent Breast cancer No
LymphoScan Ancillary Agent Lymphoma No
Mecasermin AIDS drug No
MDL-72222 Ancillary Agent No
Fluconazole Ancillary Agent, AIDS drug No
Flucytosine AIDS drug No
Fialuridine AIDS drug No
Filmix Ancillary Agent Liver cancer, Prostate No
Ethionamide AIDS drug No
Meperidine Hydrochloride Ancillary Agent No
Netivudine AIDS drug No
Ranomustine Chemotherapy No
Acetazolamide Ancillary Agent No
Nevirapine AIDS drug No
Acyclovir Sodium AIDS drug No
Acyclovir Ancillary Agent No
STEMGEN Ancillary Agent Leukemia No
SU-101 Ancillary Agent Brain, Lung, Ovarian, Prostate cancer No
Erythropoietin Ancillary Agent AIDS, Opportunistic infection No
Domperidone Ancillary Agent No
EF-5 Ancillary Agent Breast, Cervical, Lung, Prostate cancer No
U-90152 AIDS drug No
Spiramycin Ancillary Agent, AIDS drug AIDS, Opportunistic infection No
Sparfloxacin Ancillary Agent, AIDS drug AIDS, Opportunistic infection No
Sodium Phenylacetate Differentiation inducing agent No
Aminosyn Ancillary Agent No
Sodium Fluoride Ancillary Agent No
Sodium Iodide Ancillary Agent No
Methadone Hydrochloride Ancillary Agent No
Isoprinosine AIDS drug No
Glossary