Medical Abbreviations with O
Medical abbreviations are commonplace in the medical field. However, they can often be confusing for those not familiar with them. This blog post will define and explain one common medical abbreviation: O. Stay tuned for future posts on other medical abbreviations!
Medical Abbreviations with O
| OSH | outside hospital |
| OHT | Orthotopic heart transplantation |
| o | Nothing |
| od | every day, usually regarded as once daily |
| OTTR | Organ Transplant Tracking Record |
| OV | office visit |
| om | every morning |
| O&P | ova and parasites |
| OPPT | oriented to person, place, and time |
| OD | right eye |
| OB | obstetrics and gynecology |
| OAB | Overactive bladder |
| oz | ounce |
| OGTT | oral glucose tolerance test |
| OR | operating room |
| Osm | osmolarity |
| O/E | on examination |
| Obl | oblique |
| OTD | out the door |
| OPD | outpatient department |
| ORSA | oxacillin-resistant staphylococcus aureus |
| ODC | ornithine decarboxylase |
| OHS | Obesity hypoventilation syndrome |
| O2 | oxygen |
| OA | osteoarthritis |
| on | every night |
| OT | occupational therapy |
| Occ | occasional |
| OME | otitis media with effusion |
| OOB | out of bed |
| Oint | ointment |
| OCP | oral contraceptive pill |
| OMS | Opsoclonus-myoclonus syndrome |
| OCD | obsessive-compulsive disorder |
| OHL | oral hairy leukoplakia |
| ORIF | open reduction internal fixation |
| OSA | obstructive sleep apnea |
| Osteo | osteomyelitis |
| OP | outpatient department |
| OPV | outpatient visit |
| OCG | oral cholecystogram |
| OU | both eyes |
| OAF | osteoclast activating factor |
| OTPP | oriented to time, place, and person |
| OM | otitis media |
| OTC | over-the-counter drug |
| OCNA | Orthopedic Clinics of North America |
| O/N | overnight |
| ORT | oral rehydration therapy |
| OE | otitis externa |
| OB | Occult blood |
| OCT | optical coherence tomography |
| OBS | organic brain syndrome |
| OS | left eye |
