| PP | diphosphate group; emphysema [pink puffers]; near point of accommodation [Lat. punctum proximum]; pa... |
|---|---|
| PPD | packs per day; paraphenylenediamine; percussion and postural drainage; permanent partial disability;... |
| PPH | past pertinent history; persistent pulmonary hypertension; phosphopyruvate hydratase; postpartum hem... |
| PPNAD | primary pigmented nodular adrenocortical disease |
| PPPI | primary private practice insurance |