| 
          RISA 
         | 
        
          Risankizumab, Serum Mayo Clinic Laboratories in Rochester
         | 
      
      
        | 
          ROMA2 
         | 
        
          Risk Score, if Postmenopausal, Serum Mayo Clinic Laboratories in Rochester
         | 
      
      
        | 
          ROMA1 
         | 
        
          Risk Score, if Premenopausal, Serum Mayo Clinic Laboratories in Rochester
         | 
      
      
        | 
          RIVAR 
         | 
        
          Rivaroxaban, Anti-Xa, Plasma Mayo Clinic Laboratories in Rochester
         | 
      
      
        | 
          ROPAN 
         | 
        
          Ro52 and Ro60 Antibodies, IgG, Serum Mayo Clinic Laboratories in Rochester
         | 
      
      
        | 
          RO52 
         | 
        
          Ro52 Antibody, IgG, Serum Mayo Clinic Laboratories in Rochester
         | 
      
      
        | 
          RO60 
         | 
        
          Ro60 Antibody, IgG, Serum Mayo Clinic Laboratories in Rochester
         | 
      
      
        | 
          ROMA 
         | 
        
          ROMA Score (Ovarian Malignancy Risk Algorithm), Serum Mayo Clinic Laboratories in Rochester
         | 
      
      
        | 
          1711 
         | 
        
          RUBELLA SCREEN RUSH
         | 
      
      
        | 
          1707 
         | 
        
          RUBELLA, QUANTITATIVE RUSH
         | 
      
      
        | 
          T821Q 
         | 
        
          RUNX1-RUNX1T1 Translocation (8;21), Minimal Residual Disease Monitoring, Quantitative, Varies Mayo Clinic Laboratories in Rochester
         |