- Red blood cell system
- Anemia
- post-hemorrhagic
- aplastic (hypoplastic), red cell aplasia
- dyserythropoietic; dysmyelopoietic syndromes (MDS)
- deficient (iron, folic acid, vitamin B12 deficiency)
- hemolytic – due to causes
- intracorporeal diseases: hemoglobinopathies, enzymopathies, thalassemias
- extracorporeal: hypersplenism
- Polycythemia
- primary polycythemia (polycythemia vera)
- secondary polycythemia (hypoxemic, humoral)
- pseudopolycythaemia
- The white blood cell system
- Leukocytosis
- neutrophilia,
- eosinophilia,
- monocytosis,
- lymphocytosis
- Leukopenia
- neutropenia,
- lymphocytopenia,
- eosinopenia
- Leukemia
- acute (lymphoblastic, myeloid)
- chronic (myeloid, lymphocytic)
- Lymphomas
- Hodgkin's disease (Hodgkin's disease)
- non-Hodgkin's lymphomas
- Immunoglobulin synthesis disorders
- multiple myeloma (plasmacytoma)
- Bleeding disorders
- DIC
- Thrombocytosis and thrombocytopenia
- Hemolytic-Uremic Syndrome (HUS)
- Thrombotic Thrombocytopenic Purpura (TTP)