| HAPC | high-amplitude peristaltic contraction; hospital-acquired penetration contact |
|---|---|
| HCS | Hajdu-Cheney syndrome; Hazard Communication Standard; health care support; hourglass contraction of ... |
| IC | icteric, icterus; immune complex; immunoconjugate; immunocytochemistry; immunocytotoxicity; impedanc... |
| ICT | icteric, icterus; indirect Coombs test; inflammation of connective tissue; insulin coma therapy; int... |
| JPC | junctional premature contraction |