| HNSHA | hereditary nonspherocytic hemolytic anemia |
|---|---|
| HPCHA | high red-cell phosphatidylcholine hemolylic anemia |
| HSA | Hazardous Substances Act; Health Services Administration; health systems agency; hereditary siderobl... |
| IAHA | idiopathic autoimmune hemolytic anemia; immune adherence hemagglutination |
| IARSA | idiopathic acquired refractory sideroblastic anemia |