| Abbreviation | Definition |
|---|---|
| RCI | Rotator Cuff Injury |
| RCIH | Royal Care International Hospital |
| RCOP | Radiation Center of Osaka Prefecture |
| RCPC | Rockland Childrens Psychiatric Center |
| RCS | Respiratory Care Services |
| RCT | Randomized Controlled Trial |
| RCT | Relative Contrast Test |
| RCT | Root Canal Treatment |
| RD | Registered Dietitian |
| RD | Resistant Disease |
| RDAC | Rapid Diagnostic and Assessment Centre |
| RDB | Re- Discovering Birth |
| RDD | Respiratory Drug Delivery |
| RDE | Rectal Digital Examination |
| RDH | Ripon and District Hospital |
| RDH | Royal Darwin Hospital |
| RDI | Respiratory Disturbance Index |
| RDM | Re-AdMission |
| RDRP | Reproductive Disease Research Program |
| RE | Reproductive Endocrinology |