| Header | Description |
| D50* | Iron deficiency anemia |
| D51* | Vitamin B12 deficiency anemia |
| D52* | Folate deficiency anemia |
| D53* | Other nutritional anemias |
| D55* | Anemia due to enzyme disorders |
| D56* | Thalassemia |
| D57* | Sickle-cell disorders |
| D57.0* | Hb-SS disease with crisis |
| D57.2* | Sickle-cell/Hb-C disease |
| D57.21* | Sickle-cell/Hb-C disease with crisis |
| D57.4* | Sickle-cell thalassemia |
| D57.41* | Sickle-cell thalassemia with crisis |
| D57.8* | Other sickle-cell disorders |
| D57.81* | Other sickle-cell disorders with crisis |
| D58* | Other hereditary hemolytic anemias |
| D59* | Acquired hemolytic anemia |
| D60* | Acquired pure red cell aplasia [erythroblastopenia] |
| D61* | Other aplastic anemias and other bone marrow failure syndromes |
| D61.0* | Constitutional aplastic anemia |
| D61.8* | Other specified aplastic anemias and other bone marrow failure syndromes |
| D61.81* | Pancytopenia |
| D63* | Anemia in chronic diseases classified elsewhere |
| D64* | Other anemias |
| D64.8* | Other specified anemias |
| D68* | Other coagulation defects |
| D68.3* | Hemorrhagic disorder due to circulating anticoagulants |
| D68.31* | Hemorrhagic disorder due to intrinsic circulating anticoagulants, antibodies, or inhibitors |
| D68.5* | Primary thrombophilia |
| D68.6* | Other thrombophilia |
| D69* | Purpura and other hemorrhagic conditions |
| D69.4* | Other primary thrombocytopenia |
| D69.5* | Secondary thrombocytopenia |
| D70* | Neutropenia |
| D72* | Other disorders of white blood cells |
| D72.8* | Other specified disorders of white blood cells |
| D72.81* | Decreased white blood cell count |
| D72.82* | Elevated white blood cell count |
| D73* | Diseases of spleen |
| D73.8* | Other diseases of spleen |
| D74* | Methemoglobinemia |
| D75* | Other and unspecified diseases of blood and blood-forming organs |
| D75.8* | Other specified diseases of blood and blood-forming organs |
| D76* | Other specified diseases with participation of lymphoreticular and reticulohistiocytic tissue |
| D78* | Intraoperative and postprocedural complications of the spleen |
| D78.0* | Intraoperative hemorrhage and hematoma of the spleen complicating a procedure |
| D78.1* | Accidental puncture and laceration of the spleen during a procedure |
| D78.2* | Postprocedural hemorrhage of the spleen following a procedure |
| D78.3* | Postprocedural hematoma and seroma of the spleen following a procedure |
| D78.8* | Other intraoperative and postprocedural complications of the spleen |
| D80* | Immunodeficiency with predominantly antibody defects |
| D81* | Combined immunodeficiencies |
| D81.8* | Other combined immunodeficiencies |
| D81.81* | Biotin-dependent carboxylase deficiency |
| D82* | Immunodeficiency associated with other major defects |
| D83* | Common variable immunodeficiency |
| D84* | Other immunodeficiencies |
| D86* | Sarcoidosis |
| D86.8* | Sarcoidosis of other sites |
| D89* | Other disorders involving the immune mechanism, not elsewhere classified |
