| PCPX | Phencyclidine Confirmation, Chain of Custody, Random, Urine Mayo Clinic Laboratories in Rochester | 
      
        | PCPU | Phencyclidine Confirmation, Random, Urine Mayo Clinic Laboratories in Rochester | 
      
        | FCDUA | Phencyclidine, Umbilical Cord Tissue NMS Labs | 
      
        | PBR | Phenobarbital, Serum Mayo Clinic Laboratories in Rochester | 
      
        | FPGT | Phenosense Combination HIV Drug Resistance Assay Monogram Biosciences, Inc | 
      
        | FPFUZ | Phenosense Entry HIV Drug Resistance Assay Monogram Biosciences, Inc | 
      
        | FPHIV | Phenosense HIV Drug Resistance Replication Capacity Monogram Biosciences, Inc | 
      
        | PKUBS | Phenylalanine and Tyrosine, Blood Spot Mayo Clinic Laboratories in Rochester | 
      
        | PKU | Phenylalanine and Tyrosine, Plasma Mayo Clinic Laboratories in Rochester | 
      
        | PKUSC | Phenylalanine and Tyrosine, Self-Collect, Blood Spot Mayo Clinic Laboratories in Rochester | 
      
        | PHEGP | Phenylalanine Disorders Gene Panel, Varies Mayo Clinic Laboratories in Rochester | 
      
        | PNYF | Phenytoin, Free, Serum Mayo Clinic Laboratories in Rochester | 
      
        | PNTFT | Phenytoin, Total and Free, Serum Mayo Clinic Laboratories in Rochester | 
      
        | PNYG | Phenytoin, Total and Phenobarbital Group, Serum Mayo Clinic Laboratories in Rochester | 
      
        | PNYA | Phenytoin, Total, Serum Mayo Clinic Laboratories in Rochester | 
      
        | PHMA | Phoma betae, IgE, Serum Mayo Clinic Laboratories in Rochester | 
      
        | PTEN | Phosphatase and Tensin Homolog (PTEN) Immunostain, Technical Component Only Mayo Clinic Laboratories in Rochester | 
      
        | PETH | Phosphatidylethanol Confirmation, Blood Mayo Clinic Laboratories in Rochester | 
      
        | PSPTG | Phosphatidylserine/Prothrombin Antibody, IgG, Serum Mayo Clinic Laboratories in Rochester | 
      
        | PT217 | Phospho-Tau 217, Plasma Mayo Clinic Laboratories in Rochester | 
      
        | PDETS | Phosphodiesterase 10A (PDE10A) IgG, Tissue Immunofluorescence Titer, Serum Mayo Clinic Laboratories in Rochester | 
      
        | PDETC | Phosphodiesterase 10A (PDE10A) IgG, Tissue Immunofluorescence Titer, Spinal Fluid Mayo Clinic Laboratories in Rochester | 
      
        | PDEIS | Phosphodiesterase 10A (PDE10A) IgG, Tissue Immunofluorescence, Serum Mayo Clinic Laboratories in Rochester | 
      
        | PDEIC | Phosphodiesterase 10A (PDE10A) IgG, Tissue Immunofluorescence, Spinal Fluid Mayo Clinic Laboratories in Rochester | 
      
        | PFK1 | Phosphofructokinase Enzyme Activity, Blood Mayo Clinic Laboratories in Rochester |