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 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 = 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 phenotype cell line (myeloid or lymphoid, T-cell or B-cell)