| 280 | Iron deficiency anemias |
| 281 | Other deficiency anemias |
| 282 | Hereditary hemolytic anemias |
| 283 | Acquired hemolytic anemias |
| 284 | Aplastic anemia and other bone marrow failure syndromes |
| 285 | Other and unspecified anemias |
| 286 | Coagulation defects |
| 287 | Purpura and other hemorrhagic conditions |
| 288 | Diseases of white blood cells |
| 289 | Other diseases of blood and blood-forming organs |
