| DNH | do-not-hospitalize [order] |
|---|---|
| DOB | date of birth; doctor's order book |
| HTO | hospital transfer order |
| OC | obstetrical conjugate; occlusocervical; office call; on call; only child; optic chiasma; oral contra... |
| OE | on examination; order entry [system]; orofacial cleft; orthopedic examination; otitis externa; out-s... |