| OE | on examination; order entry [system]; orofacial cleft; orthopedic examination; otitis externa; out-s... |
|---|---|
| POE | pediatric orthopedic examination; physician order entry; point of entry; polyoxyethylene; postoperat... |
| POS | periosteal osteosarcoma; physician order set; point of service; polycystic ovary syndrome; psychoorg... |
| RO | radiation oncology; radiation output; ratio of; relative odds; renal osteodystrophy; reverse osmosis... |
| SOB | see order blank; shortness of breath |