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.

Search Database
Name Category Primary Site Code?
131I-MIBG Radiation See Remarks
5-Aza-2'Deoxy-cytidine Chemotherapy CML Yes
ABT 888 Chemotherapy Ovary Yes
AMG 531 Ancillary Agent No
Abemaciclib Chemotherapy Breast Yes
Abiraterone acetate Hormones and hormonal mechanisms Prostate Yes
Abiraterone acetate/niraparib Chemotherapy Prostate See Remarks
Acalabrutinib Chemotherapy Yes
Acetaminophen Ancillary Agent No
Acetazolamide Ancillary Agent No
Acetylcysteine Ancillary Agent AIDS, Opportunistic infection No
Acitretin Differentiation inducing agent No
Acyclovir Ancillary Agent No
Acyclovir Sodium AIDS drug No
Ado-trastuzumab emtansine Biologic therapy (BRM, immunotherapy) Metastatic HER-2 breast cancer Yes
Adrenocorticotropic hormone Hormones and hormonal mechanisms See Remarks
Adstiladrin Biologic therapy (BRM, immunotherapy) bladder Yes
Albendazole AIDS drug No
Albuterol Sulfate Ancillary Agent No
Alectinib Chemotherapy Lung Yes
Alemtuzumab Biologic therapy (BRM, immunotherapy) Leukemia, lymphoma Yes
Alendronate Sodium Ancillary Agent No
Alitretinoin Differentiation inducing agent Kaposi sarcoma No
Allopurinol Ancillary Agent No
Altretamine Chemotherapy Ovarian cancer Yes
Name Primary Site
7+3 AML
AAVD Hodgkin's Lymphoma
ABCD
ABCM
ABCP Lung
ABD
ABDIC
ABVD Hodgkin lymphoma
AC Breast
AC-T Breast
ACOAP
ACOPP
ACT-FU-Cy
ACVBP
AD
ADE AML
ADM
ADOC
AIM Sarcoma
ALOMAD
APO regimen
ASHAP
ASHAP/M-BACOS
ATRA (263)
AVD Lymphoma
Glossary