| PMRS | physical medicine and rehabilitation service |
|---|---|
| POS | periosteal osteosarcoma; physician order set; point of service; polycystic ovary syndrome; psychoorg... |
| PSC | patient services coordination; Porter-Silber chromogen; posterior subcapsular cataract; primary scle... |
| PUMS | patient utility measurement set; permanently unfit for military service |
| QARNNS | Queen Alexandra's Royal Naval Nursing Service |