| HU | heat unit; hemagglutinating unit; hemolytic unit; Hounsfield unit; human urine, human urinary; hydro... |
|---|---|
| HUS | hemolytic uremic syndrome; hyaluronidase unit for semen |
| IAHA | idiopathic autoimmune hemolytic anemia; immune adherence hemagglutination |
| IAHD | idiopathic acquired hemolytic disorder |
| IHBT | incompatible hemolytic blood transfusion |