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 Primary Site
CIA
CHOP
CHOB
CHF
CHD-R
CHD
CHAMOCA
CGI
CFPT
CFM Breast
CFL Head and Neck
CFAR
CEV
CEPP
CEM
CEF Breast
CCVVP Lung
CCVV Lung
CCNU-OP Brain
CCAVV Lung
CB
CAPOX
CAPIRI Colorectal, Esophagus, Stomach
CAFP Breast
CAF Breast
Glossary