| 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... |
| HSRI | Health Systems Research Institute |
| ICSI | Institute for Clinical Systems Integration |