| PLT | Platelet count |
|---|---|
| PLT | Primed Lymphocyte Test |
| PLT | Primed Lymphocyte Typing |
| PLTP | Phospholipid Transfer Protein |
| PLV | Partial Liquid Ventilation |
| PLV | Partial left ventriculectomy |
| PLWS | Prader-Labhard-Willi Syndrome |
| PLY | Pneumolysin |
| PLZ | Phenelzine |
| PLZF | Promyelocytic leukemia zinc finger |