| HBI | high serum-bound iron |
|---|---|
| HCS | Hajdu-Cheney syndrome; Hazard Communication Standard; health care support; hourglass contraction of ... |
| HEMPAS | hereditary erythrocytic multinuclearity with positive acidified serum |
| HHS | [Department of] Health and Human Services; Hearing Handicap Scale; hereditary hemolytic syndrome; hu... |
| HIFBS | heat-inactivated fetal bovine serum |