| HIST | hospital in-service training |
|---|---|
| HM | hand movements; health maintenance; heart murmur; hemifacial microsomia; Holter monitoring; home man... |
| HMC | hand-mirror cell; health maintenance cooperative; heroin, morphine, and cocaine; histocompatibility ... |
| HMIS | hazardous materials identification system; hospital medical information system |
| HMRI | Hospital Medical Record Institute |