FIELD E ; Tumor Code 



Columns 18. 19, 20, 21. 



22, 23. 24, and 25 



SOO 212 1 Myelogenous leukemia, leukemic, unspecified 



S8B 212 1 Leukemic myelogenous leukemia with origin in the spleen, unspecified 



S8B 212 11 Myeloid leukemia 1 5F 



S8B 212 12 Myeloid leukemia A 



S8B 212 13 Myeloid leukemia 274 



S8B 212 14 Myeloid leukemia 686 



S8B 212 15 Myeloid leukemia 765 



S8B 212 16 Myeloid leukemia 1 5A 



S8B 212 17 Myeloid leukemia C1498 



S8A 212 1 Leukemic myelogenous leukemia with origin described as being "blood", 



unspecified 



S8A 212 11 Myelogenous leukemia Shay (chloroma type) 



SOO 212 2 Myelogenous leukemia, aleukemic, unspecified 



SOO 213 Monocytic leukemia (leukemias in which the involved leukocytes are mostly 



monocytes). (Synonym: aleukemic reticulosis. ) (This is possibly an atypical 

 myelogenous leukemia. ) 



SOO 213 1 Monocytic leukemia, leukemic, unspecified 



SOO 213 2 Monocytic leukemia, aleukemic, unspecified 



SOO 22 Tumor of lymphoid tissue, as distinct from tissues of the strictly leukoblastic 



tissues of the lymphatic organ system. Tumors of the lymph nodes, spleen, 

 thymus, tonsils, lymphoid tissue elements of bone marrow, and diffuse 

 lymphatic tissue of the respiratory organs, the gastro-intestinal tract, liver, 

 etc. ; lymphoma, unspecified. Includes the common experimental lymphoid 

 tumors of chickens, distinguished by Symbol 1 as the seventh digit in a 

 symbol for a specified chicken lymphoid tumor. Note: In constructing 



symbols for tumors of lymphoid tissue (S0022 ), when these tumors arise 



in lymph nodes or diffuse lymphatic tissues associated with only a body area 

 or cavity , the structural (anatomical) origin will be indicated merely as lymph 

 node or lymph tissue (Symbol 81) rather than to attempt to code the body region 

 or organ in or near whic h was the lymph node or tissue in which the tumor 

 originated. (It is recognized that this makes the anatomical and tissue units 

 of the tumor symbol somewhat redundant, but this occurs because of the 

 situation of the organs involved being of almost a single tissue type so that 

 having identified the organs, the tissue is also identified. ) If the lymphatic 

 tissue tumor arises in the spleen, thymus, tonsil, liver, intestine, lungs, or 

 in any other definite organ (rather than in a lymph node or "near" or "in the 

 region" of an organ or at a general body area), that organ is specified in the 

 anatomical unit of the symbol. 



SOO 220 1 Lymphoid tumor of fowls (a group of experimental transplantable tumors), 



unspecified 



S21 220 1 ■ Lymphoid tumor of fowls with origin in the lung, unspecified 



S21 220 11 Lymphoid tumor RPL14 



S41 220 1 Lymphoid tumor of fowls with origin in the liver, unspecified 



S41 220 11 Lymphoid tumor RPL12 (Olson lymphoid tumor) 



S41 220 12 Lymphoid tumor RPL16 



S41 220 13 Lymphoid tumor RPL17 



S41 220 14 Lymphoid tumor RPL21 



S5A 220 1 Lymphoid tumor of fowls with origin in the ovary, unspecified 



S5A 220 11 Lymphoid tumor RPL18 



S8B 220 1 Lymphoid tumor of fowls with origin in the spleen, unspecified 



S8B 220 11 Lymphoid tumor RPL15 



S8B 220 12 Lymphoid tumor RPL20 



SOO 221 Lymphosarcoma, unspecified 



S8B 221 Lymphosarcoma with origin in the spleen, unspecified 



S8B221 01 Lymphosarcoma 1527 



S8C 221 Lymphosarcoma with origin in a lymph node (any body region), unspecified 



S8C 221 01 Lymphosarcoma Patterson 



S8C 221 02 Lymphosarcoma Mecca 



S8C 221 03 Lymphosarcoma DS9 



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