| HIMSS | Healthcare Information and Management Systems Society |
|---|---|
| HISSG | Hospital Information Systems Sharing Group |
| HMSS | Hospital Management Systems Society |
| HSA | Hazardous Substances Act; Health Services Administration; health systems agency; hereditary siderobl... |
| HSP | Health Systems Plan; heat shock protein; hemostatic screening profile; Henoch-Schonlein purpura; her... |