| Abbreviation | Definition |
|---|---|
| RS | Refractive Surgery |
| RS | Reimbursement Specialist |
| RSCH | Royal Surrey County Hospital |
| RSCH | Royal Sussex County Hospital |
| RSD | Royal Southwell Dispensary |
| RSI | Repeated Strain Injury |
| RSNC | Robert Schad Naturopathic Clinic |
| RSO | Rapid Scan Operation |
| RSP | Root Scaling and Planing |
| RT | Radiologic Technologist |
| RTA | Road Traffic Accident |
| RTAC | Regional Trauma Advisory Council |
| RTAH | Reaction - Transplant Against Host |
| RTC | Residential Treatment Center |
| RT-DMS | Real-Time Diabetes Monitoring System |
| RTECS | Registry of Toxic Effects of cChemical Substances |
| RTFA | Residential Treatment Facility for Adults |
| RTH | Riverside Tappahannock Hospital |
| RTII | Response To Instruction and Intervention |
| RTN | Return |