| LFHL | low-frequency hearing loss |
|---|---|
| LFL | left frontolateral; leukocyte feeder layer; lower flammable limit |
| LFN | lactoferrin |
| LFP | left frontoposterior [fetal position] |
| LFPPV | low-frequency positive pressure ventilation |
| LFPS | Licentiate of the Faculty of Physicians and Surgeons |
| LFR | lymphoid follicular reticulosis |
| LFS | lateral facet syndrome; Li-Fraumeni syndrome; limbic forebrain structure; liver function series |
| LFT | Liver Function Test |
| LFT | latex fixation test; latex flocculation test; left fronto-transverse [fetal position]; liver function test; low-frequency tetanus; low-frequency transduction; low-frequency transfer; lung function test |