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Appendix C

Primary Site Code Definitions

International Classification of Diseases for Oncology, 2nd Edition (ICD-O-2)

Primary Site Code Definitions Site/Type Excluding Type
All sites C00.0 - C80.9  
Oral cavity and pharynx C00.0 - C14.8 M-9590 - 9989
Lip C00.0 - C00.9 M-9590 - 9989
Tongue C01.9 - C02.9 M-9590 - 9989
Major salivary glands C07.9 - C08.9 M-9590 - 9989
Floor of mouth C04.0 - C04.9 M-9590 - 9989
Gum and other mouth C03.0 - C03.9; C05.0 - C05.9; C06.0 - C06.9 M-9590 - 9989
Nasopharynx C11.0 - C11.9 M-9590 - 9989
Tonsil C09.0 - C09.9 M-9590 - 9989
Oropharynx C10.0 - C10.9 M-9590 - 9989
Hypopharynx C12.9; C13.0 - C13.9; C14.1 M-9590 - 9989
Pharynx and other oral cavity C14.0; C14.2 - C14.8 M-9590 - 9989
Digestive system C15.0 - C26.9; C48.0 - C48.8 M-9590 - 9989
Esophagus C15.0 - C15.9 M-9590 - 9989
Stomach C16.0 - C16.9 M-9590 - 9989
Small intestine C17.0 - C17.9 M-9590 - 9989
Colon excluding rectum C18.0 - C18.9; C26.0 M-9590 - 9989
Rectum and rectosigmoid C19.9; C20.9 M-9590 - 9989
Anus, anal canal, and anorectum C21.0 - C21.2; C21.8 M-9590 - 9989
Liver and intrahepatic bile duct C22.0; C22.1 M-9590 - 9989
Gallbladder C23.9 M-9590 - 9989
Other biliary C24.0 - C24.9 M-9590 - 9989
Pancreas C25.0 - C25.9 M-9590 - 9989
Retroperitoneum C48.0 M-9590 - 9989
Peritoneum C48.1 - C48.2 M-9590 - 9989
Other digestive organs C26.8 - C26.9; C48.8 M-9590 - 9989
Respiratory system C30.0 - C34.9; C38.1 - C39.9 M-9590 - 9989
Nasal cavity, ear, and sinuses C30.0 - C30.1; C31.0 - C31.9 M-9590 - 9989
Larynx C32.0 - C32.9 M-9590 - 9989
Lung and bronchus C34.0 - C34.9 M-9590 - 9989
Trachea, pleura, and other respiratory organs C33.9; C38.1 - C38.8; C39.0 - C39.9 M-9590 - 9989
Bones and joints C40.0 - C41.9 M-9590 - 9989
Soft tissue (including heart) C38.0; C47.0 - C47.9; C49.0 - C49.9 M-9590 - 9989
Skin (excluding basal and squamous) C44.0 - C44.9 M-9590 - 9989
Melanoma of the skin C44.0 - C44.9 (types M-8720 - 8790)  
Other non-epithelial skin cancers C44.0 - C44.9 M-8000 - 8004;
M-8010 - 8012;
M-8070 - 8076;
M-8090 - 8096;
M-8720 - 8790;
M-9590 - 9989
Breast C50.0 - C50.9 M-9590 - 9989
Female genital system C51.0 - C58.9 M-9590 - 9989
Cervix uteri C53.0 - C53.9 M-9590 - 9989
Corpus uteri C54.0 - C54.9 M-9590 - 9989
Uterus, NOS C55.9 M-9590 - 9989
Ovary C56.9 M-9590 - 9989
Vagina C52.9 M-9590 - 9989
Vulva C51.0 - C51.9 M-9590 - 9989
Other female genital organs C57.0 - C58.9 M-9590 - 9989
Male genital system C60.0 - C63.9 M-9590 - 9989
Prostate gland C61.9 M-9590 - 9989
Testis C62.0 - C62.9 M-9590 - 9989
Penis C60.0 - C60.9 M-9590 - 9989
Other male genital organs C63.0 - C63.9 M-9590 - 9989
Urinary system C64.9 - C68.9 M-9590 - 9989
Urinary bladder C67.0 - C67.9 M-9590 - 9989
Kidney and renal pelvis C64.9 - C65.9 M-9590 - 9989
Ureter C66.9 M-9590 - 9989
Other urinary organs C68.0 - C68.9 M-9590 - 9989
Eye and orbit C69.0 - C69.9 M-9590 - 9989
Brain and other nervous system C70.0 - C72.9 M-9590 - 9989
Brain C71.0 - C71.9 M-9530 - 9539;
M-9590 - 9989
Other nervous system C71.0 - C71.9 (types M-9530 - 9539);
C70.0 - C70.9; C72.0 - C72.9
M-9590 - 9989
Endocrine system C37.9; C73.9 - C75.9 M-9590 - 9989
Thyroid gland C73.9 M-9590 - 9989
Other endocrine (including thymus) C37.9; C74.0 - C74.9; C75.0 - C75.9 M-9590 - 9989
Lymphoma types M-9590 - 9717  
Hodgkin's disease types M-9650 - 9667  
Non-Hodgkin's lymphoma types M-9590 - 9595; M-9670 - 9717  
Multiple myeloma types M-9731 - 9732  
Leukemia types M-9800 - 9941  
Acute lymphocytic types M-9821 - 9822  
Chronic lymphocytic types M-9823  
Acute myeloid types M-9861 - 9862; M-9867  
Chronic myeloid types M-9863 - 9868  
Other leukemias types M-9800 - 9804; M-9820; M-9824 - 9828
M-9830; M-9840 - 9842; M-9850; M-9860
M-9864; M-9866; M-9870 - 9874; M-9880
M-9890 - 9894; M-9900; M-9910; M-9930 - 9941
 
Other, ill-defined and unknown sites types M-9720 - 9723; M-9740; M-9741;
M-9760 - 9764; M-9950 - 9989; C76.0 - C76.8;
C80.9 (types M-8000 - 9589);
C42.0 - C42.4 (types M-8000 - 9589);
C77.0 - C77.9 (types M-8000 - 9589)
 

Source: "SEER Cancer Statistics Review 1973-1996," National Cancer Institute. Table A-3 SEER Recode for Primary Site based on ICD-O-2.

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