| HIPA | heparin-induced platelet activation |
|---|---|
| HIT | hemagglutination inhibition test; heparin-induced thrombocytopenia; histamine inhalation test; hyper... |
| HITT | heparin-induced thrombocytopenia and thrombosis |
| HITTS | heparin-induced thrombosis-thrombocytopenia syndrome |
| HNA | heparin neutralizing activity |