| OPD | Out-Patient Department; 외래 |
|---|---|
| OPD | obstetric prediabetic; optical path difference; otopalatodigital [syndrome]; outpatient department; outpatient dispensary; p-phenylenediamine |
| OpDent | operative dentistry |
| OPDG | ocular plethysmodynamography |
| RTO | Return to OPD |
|---|