| 
          RAPAN 
         | 
        
          Rheumatoid Arthritis Panel, Serum Mayo Clinic Laboratories in Rochester
         | 
      
      
        | 
          RFPN 
         | 
        
          Rheumatoid Factor Panel, Serum Mayo Clinic Laboratories in Rochester
         | 
      
      
        | 
          RHNI 
         | 
        
          Rhizopus nigricans, IgE, Serum Mayo Clinic Laboratories in Rochester
         | 
      
      
        | 
          VITB2 
         | 
        
          Riboflavin (Vitamin B2), Plasma Mayo Clinic Laboratories in Rochester
         | 
      
      
        | 
          Lab8523 
         | 
        
          Ribosomal P Antibody Barnes-Jewish Hospital Laboratory
         | 
      
      
        | 
          RICE 
         | 
        
          Rice, IgE, Serum Mayo Clinic Laboratories in Rochester
         | 
      
      
        | 
          RISAP 
         | 
        
          Risankizumab Quantitation with Antibodies, Serum Mayo Clinic Laboratories in Rochester
         | 
      
      
        | 
          RISA 
         | 
        
          Risankizumab, Serum Mayo Clinic Laboratories in Rochester
         | 
      
      
        | 
          RIVAR 
         | 
        
          Rivaroxaban, Anti-Xa, Plasma Mayo Clinic Laboratories in Rochester
         | 
      
      
        | 
          RNAP 
         | 
        
          RNA Polymerase III Antibodies, IgG, Serum 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
         | 
      
      
        | 
          LAB3951 
         | 
        
          Rotavirus Antigen, Stool Barnes-Jewish Hospital Laboratory-Microbiology
         | 
      
      
        | 
          MARS 
         | 
        
          Rough Marsh Elder, IgE, Serum Mayo Clinic Laboratories in Rochester
         | 
      
      
        | 
          Lab496 
         | 
        
          Rubella Antibodies, IgG, Serum Barnes-Jewish Hospital Laboratory
         | 
      
      
        | 
          ROC 
         | 
        
          Rubeola (Measles) Antibodies, IgG and IgM, Spinal Fluid Mayo Clinic Laboratories in Rochester
         | 
      
      
        | 
          Lab657 
         | 
        
          Rubeola (Measles), IgG, Serum Barnes-Jewish Hospital Laboratory
         | 
      
      
        | 
          RUFI 
         | 
        
          Rufinamide, Serum Mayo Clinic Laboratories in Rochester
         | 
      
      
        | 
          T821Q 
         | 
        
          RUNX1-RUNX1T1 Translocation (8;21), Minimal Residual Disease Monitoring, Quantitative, Varies Mayo Clinic Laboratories in Rochester
         | 
      
      
        | 
          RUSS 
         | 
        
          Russian Thistle, IgE, Serum Mayo Clinic Laboratories in Rochester
         | 
      
      
        | 
          RYEG 
         | 
        
          Rye Grass, IgE, Serum Mayo Clinic Laboratories in Rochester
         | 
      
      
        | 
          RYE 
         | 
        
          Rye, IgE, Serum Mayo Clinic Laboratories in Rochester
         |