| Abbreviation | Definition |
|---|---|
| RO | Radon Occurrence |
| RO | Reproductive Organ |
| RO | Routine order |
| RO | Rule Out |
| ROA | Right Occiput Anterior |
| ROCK | Rigidity Optimized Conformation Kinetics |
| ROD | Renal OsteoDystrophy |
| ROF | return of function |
| ROH | Alcohol |
| ROHIT | Really Odd Human Infection Today |
| ROID | Hemorrhoid |
| ROIF | Reverse Obliquity Inter-trochanteric Fracture |
| ROIF | Right Outer Inner Forward |
| ROM | Range Of Motion |
| ROM | Romberg test |
| ROM | Rupture Of Membranes |
| ROMCP | Range Of Motion Complete and Pain free |
| ROP | Retinopathy Of Prematurity |
| ROP | Retinophy Of Prematurity |
| ROP | Right Occiput Posterior |