ICD-O-3 Site Codes

Leukemia and Other Blood Diseases

Including lymphocytic and myeloid leukemias, myelodysplastic syndromes (refractory anemias), polycythemia vera, essential thrombocythemia, myelofibrosis, agnogenic myeloid metaplasia, and [glossary term:] Waldenstrom macroglobulinemia.

Related Adjectives and Equivalent Terms

Leukemia = leuko-

  • Chronic (C) a severe stage of chronic leukemia is "blast crisis"
  • Acute (A)
  • Lymphocytic (L) = lymphoblastic, lymphatic, lymphoid
  • Myelogenous (M) = non-lymphocytic (NL), myelocytic (M), myeloblastic (M), granulocytic (G),
  • monoblastic (M)


  • Chronic lymphocytic leukemia (CLL)
  • Acute myelogenous leukemia (AML) = Acute granulocytic leukemia (AGL)

Myelo- = bone marrow


  • Myelofibrosis = [glossary term:] fibrosis of the bone marrow
  • Myelodysplasia = abnormal production of cells in the bone marrow
  • Myeloproliferative = excessive proliferation (reproduction) of cells in the bone marrow

Key Words

-blast an early or immature form of the cell
-cyte a mature or later form of the cell [glossary term:] phenotype cell line (myeloid or lymphoid, T-cell or B-cell)