| FRT4D | T4 (Thyroxine), Free, Dialysis, Serum Mayo Clinic Laboratories in Rochester | 
      
        | T4 | T4 (Thyroxine), Total Only, Serum Mayo Clinic Laboratories in Rochester | 
      
        | TLU | Thallium, 24 Hour, Urine Mayo Clinic Laboratories in Rochester | 
      
        | TLB | Thallium, Blood Mayo Clinic Laboratories in Rochester | 
      
        | TPNUQ | Thiopurine Methyltransferase (TPMT) and Nudix Hydrolase (NUDT15) Genotyping, Varies Mayo Clinic Laboratories in Rochester | 
      
        | TGAB | Thyroglobulin Antibody, Serum Mayo Clinic Laboratories in Rochester | 
      
        | TPO | Thyroperoxidase Antibodies, Serum Mayo Clinic Laboratories in Rochester | 
      
        | THYRO | Thyrotropin Receptor Antibody, Serum Mayo Clinic Laboratories in Rochester | 
      
        | TICKS | Tick-Borne Disease Antibodies Panel, Serum Mayo Clinic Laboratories in Rochester | 
      
        | TSTGP | Tissue Transglutaminase Antibodies, IgA and IgG Profile, Serum Mayo Clinic Laboratories in Rochester | 
      
        | TTGA | Tissue Transglutaminase Antibody, IgA, Serum Mayo Clinic Laboratories in Rochester | 
      
        | TTGG | Tissue Transglutaminase Antibody, IgG, Serum Mayo Clinic Laboratories in Rochester | 
      
        | TOPI | Topiramate, Serum Mayo Clinic Laboratories in Rochester | 
      
        | PTOX | Toxoplasma gondii, Molecular Detection, PCR, Varies Mayo Clinic Laboratories in Rochester | 
      
        | TMP | Trimethoprim, Serum Mayo Clinic Laboratories in Rochester | 
      
        | WHIPB | Tropheryma whipplei, Molecular Detection, PCR, Blood Mayo Clinic Laboratories in Rochester | 
      
        | TWRP | Tropheryma whipplei, Molecular Detection, PCR, Varies Mayo Clinic Laboratories in Rochester | 
      
        | TRYPP | Tryptophan, Plasma Mayo Clinic Laboratories in Rochester | 
      
        | TRYPU | Tryptophan, Random, Urine Mayo Clinic Laboratories in Rochester | 
      
        | TSCP | Tuberous Sclerosis Gene Panel, Varies Mayo Clinic Laboratories in Rochester |