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ICD-O-3 Site Codes

Related Adjectives and Terms ICD-O Lymph Node Site Codes
Term Definition
Malignant lymphoma (ML) an umbrella term covering both Hodgkin lymphoma and non-Hodgkin lymphoma
Hodgkin Lymphoma cell types: nodular sclerosing (NS), lymphocyte predominant (LP), lymphocyte depletion (LD), and mixed cellularity (MC)
Non-Hodgkin Lymphoma (NHL) about three times more common than HD; cell types nodular or diffuse;classifications lymphocytic (well-differentiated and poorly differentiated); histiocytic; mixed lymphocytic and histiocytic; undifferentiated. (See Morphology section for more complete information.)
Microglioma an intracranial tumor of microglial cell origin similar to reticulum cell sarcoma
Mycosis fungoides malignant lymphoma arising in the skin; T-cell origin; spreads to viscera
Sezary syndrome mycosis fungoides with malignant lymphocytes in the peripheral blood
Brill Symmers Disease an infrequently used term for giant follicular lymphoma (a well-differentiated small lymphocytic lymphoma)
ICD-O Lymph Node Site Codes
Code Site
C77.0 Lymph nodes of head, face and neck
C77.1 Intrathoracic lymph nodes
C77.2 Intra-abdominal lymph nodes
C77.3 Lymph nodes of axilla or arm
C77.4 Lymph nodes of inguinal region or leg
C77.5 Pelvic lymph nodes
C77.8 Lymph nodes of multiple regions
C77.9 Lymph node, NOS