Blood-forming organs-immune system (D50-D90).
- Aplastic anemia – form of anemia (anemia) characterized by pancytopenia (synonym: tricytopenia: reduction of all three rows of cells in the blood; stem cell disease) and concomitant hypoplasia (functional impairment) of the bone marrow.
- Vitamin B12/folic acid deficiency anemia
Infectious and parasitic diseases (A00-B99).
- Infectious mononucleosis (Pfeiffeŕsches glandular fever; EBV infection; Epstein-Barr virus infection).
- Other viral infections (e.g., parvovirus B19, EBV, CMV, or HIV).
Neoplasms – tumor diseases (C00-D48).
- Other forms of leukemia:
- Acute lymphoblastic leukemia (ALL).
- Acute leukemia of unclear lineage affiliation.
- Leukemic lineage lymphoma
- Myeloproliferative syndromes
