- Rapid Plasma Reagin (RPR Test)
- RBC Folate
- Renin Activity
- Reticulocyte Count
- RH Antibody – Titres
- Rheumatic Factor IgG Antibody
- Rheumatic Factor IgM Antibody
- Rheumatoid Factor (RA test)
- Rota Virus Antigen
- Rubella DNA PCR
- Rubella Virus – IgG
- Rubella Virus – IgM