| FCI | fixed-cell immunofluorescence; food chemical intolerance |
|---|---|
| GIFT | gamete intrafallopian transfer; granulocyte immunofluorescence test |
| IF | idiopathic fibroplasia; idiopathic flushing; immersion foot; immunofluorescence; indirect fluorescen... |
| IFA | idiopathic fibrosing alveolitis; immunofluorescence assay; immunofluorescent antibody; incomplete Fr... |
| IFL | immunofluorescence |