| IFC | intermittent flow centrifugation; intrinsic factor concentrate |
|---|---|
| IH | idiopathic hirsutism; idiopathic hypercalciuria; immediate hypersensitivity; incompletely healed; in... |
| ILS | idiopathic leucine sensitivity; idiopathic lymphadenopathy syndrome; increase in life span; infrared... |
| INPAV | intermittent negative pressure assisted ventilation |
| INPV | intermittent negative-pressure ventilation |