| HAA | hearing aid amplifier; hemolytic anemia antigen; hepatitis-associated antigen; hospital activity ana... |
|---|---|
| HAN | heroin-associated nephropathy; hyperplastic alveolar nodule |
| HAT | Halsted Aphasia Test; head, arm, trunk; heparin-associated thrombocytopenia; heterophil antibody tit... |
| HATT | heparin-associated thrombocytopenia and thrombosis |
| HBV-MN | membranous nephropathy associated with hepatitis B virus |