| D55 | Anemia due to enzyme disorders |
| D55.0 | Anemia due to glucose-6-phosphate dehydrogenase [G6PD] deficiency |
| D55.1 | Anemia due to other disorders of glutathione metabolism |
| D55.2 | Anemia due to disorders of glycolytic enzymes |
| D55.3 | Anemia due to disorders of nucleotide metabolism |
| D55.8 | Other anemias due to enzyme disorders |
| D55.9 | Anemia due to enzyme disorder, unspecified |
| D56 | Thalassemia |
| D56.0 | Alpha thalassemia |
| D56.1 | Beta thalassemia |
| D56.2 | Delta-beta thalassemia |
| D56.3 | Thalassemia minor |
| D56.4 | Hereditary persistence of fetal hemoglobin [HPFH] |
| D56.5 | Hemoglobin E-beta thalassemia |
| D56.8 | Other thalassemias |
| D56.9 | Thalassemia, unspecified |
| D57 | Sickle-cell disorders |
| D57.0 | Hb-SS disease with crisis |
| D57.00 | Hb-SS disease with crisis, unspecified |
| D57.01 | Hb-SS disease with acute chest syndrome |
| D57.02 | Hb-SS disease with splenic sequestration |
| D57.1 | Sickle-cell disease without crisis |
| D57.2 | Sickle-cell/Hb-C disease |
| D57.20 | Sickle-cell/Hb-C disease without crisis |
| D57.21 | Sickle-cell/Hb-C disease with crisis |
| D57.211 | Sickle-cell/Hb-C disease with acute chest syndrome |
| D57.212 | Sickle-cell/Hb-C disease with splenic sequestration |
| D57.219 | Sickle-cell/Hb-C disease with crisis, unspecified |
| D57.3 | Sickle-cell trait |
| D57.4 | Sickle-cell thalassemia |
| D57.40 | Sickle-cell thalassemia without crisis |
| D57.41 | Sickle-cell thalassemia with crisis |
| D57.411 | Sickle-cell thalassemia with acute chest syndrome |
| D57.412 | Sickle-cell thalassemia with splenic sequestration |
| D57.419 | Sickle-cell thalassemia with crisis, unspecified |
| D57.8 | Other sickle-cell disorders |
| D57.80 | Other sickle-cell disorders without crisis |
| D57.81 | Other sickle-cell disorders with crisis |
| D57.811 | Other sickle-cell disorders with acute chest syndrome |
| D57.812 | Other sickle-cell disorders with splenic sequestration |
| D57.819 | Other sickle-cell disorders with crisis, unspecified |
| D58 | Other hereditary hemolytic anemias |
| D58.0 | Hereditary spherocytosis |
| D58.1 | Hereditary elliptocytosis |
| D58.2 | Other hemoglobinopathies |
| D58.8 | Other specified hereditary hemolytic anemias |
| D58.9 | Hereditary hemolytic anemia, unspecified |
| D59 | Acquired hemolytic anemia |
| D59.0 | Drug-induced autoimmune hemolytic anemia |
| D59.1 | Other autoimmune hemolytic anemias |
| D59.2 | Drug-induced nonautoimmune hemolytic anemia |
| D59.3 | Hemolytic-uremic syndrome |
| D59.4 | Other nonautoimmune hemolytic anemias |
| D59.5 | Paroxysmal nocturnal hemoglobinuria [Marchiafava-Micheli] |
| D59.6 | Hemoglobinuria due to hemolysis from other external causes |
| D59.8 | Other acquired hemolytic anemias |
| D59.9 | Acquired hemolytic anemia, unspecified |