

R | |
| Radioactive Iodine Uptake Test | HLCMS |
| Radionuclide Cystogram | HLCMS |
| RBC Indices | HLCMS |
| Rectal Examination | Gale Encyclopedia of Medicine |
| Rectal Prolapse | Gale Encyclopedia of Medicine |
| Red Blood Cell Count (RBC) | HLCMS |
| Red Blood Cell Indices | Gale Encyclopedia of Medicine |
| Refraction Test | HLCMS |
| Renal Arteriography | HLCMS |
| Renal Biopsy | HLCMS |
| Renal Scan | HLCMS |
| Respiratory Syncytial Virus Infection | Gale Encyclopedia of Medicine |
| Reticulocyte Count | Gale Encyclopedia of Medicine |
| Reticulocyte Count | HLCMS |
| Retrograde Ureteropyelography | Gale Encyclopedia of Medicine |
| Retrograde Urethrography | Gale Encyclopedia of Medicine |
| Right Heart Ventriculography | HLCMS |
| Rinne and Weber Tests | Gale Encyclopedia of Nursing and Allied Health |
| Rorschach Psychodiagnostic Test | Gale Encyclopedia of Childhood and Adolescence |
| Routine Sputum Culture | HLCMS |
| RPR Test | Gale Encyclopedia of Public Health |
| RPR Test | HLCMS |
| RSV (Respiratory Syncytial Virus) Antibody Test | HLCMS |
| Rubella Test | Gale Encyclopedia of Medicine |


