| Abbreviation | Definition |
|---|---|
| ODD | Oppositional Deficit Disorder |
| ODD | Oxidative Dysoxygenative Dysfunction |
| ODS | Oxygen Depletion Sensor |
| OE | On Examination |
| OE | Orthopedic Examination |
| OE | Otitis Externa |
| OEB | One Eye Blind |
| OEC | Olfactory Ensheating Cell |
| OEC | Outdoor Emergency Care |
| OEC | Oxygen Equilibrium Curve |
| OEG | Olfactory Ensheathing Glia |
| OEI | Obesity Education Initiative |
| OFC | Orbito-Frontal Cortex |
| OFC | Oro- Facial Concentration |
| OFI | Overall Flexibility Index |
| OFP | Osteopathic Family Physician |
| OH | Occupational History |
| OH | Orthostatic Hypotension |
| OHA | Oral Hypoglycemic Agent |
| OHB | Oxigenoterapia HiperBárica |