| FDF | fast death factor |
|---|---|
| FDIU | fetal death in utero |
| ICD | I-cell disease; immune complex disease; implantable cardioverter defibrillator; impulse-control diso... |
| ID | identification; iditol dehydrogenase; immunodeficiency; immunodiffusion; immunoglobulin deficiency; ... |
| IUD | intrauterine death; intrauterine device |