| RSCGP | Nephrocalcinosis, Nephrolithiasis, and Renal Electrolyte Imbalance Gene Panel, Varies Mayo Clinic Laboratories in Rochester | 
      
        | NETT | Nettle, IgE, Serum Mayo Clinic Laboratories in Rochester | 
      
        | NEUN | Neu-N Immunostain, Technical Component Only Mayo Clinic Laboratories in Rochester | 
      
        | NELL1 | Neural Epidermal Growth Factor-Like 1 Protein Immunostain, Technical Component Only Mayo Clinic Laboratories in Rochester | 
      
        | NONCP | Neuro-Oncology Expanded Gene Panel with Rearrangement, Tumor Mayo Clinic Laboratories in Rochester | 
      
        | NONCM | Neuro-Oncology Gene Panel, Mutations Only, Tumor Mayo Clinic Laboratories in Rochester | 
      
        | NONCR | Neuro-Oncology Gene Panel, Rearrangements Only, Tumor Mayo Clinic Laboratories in Rochester | 
      
        | NCDCS | Neurochondrin Antibody, Cell-Binding Assay, Serum Mayo Clinic Laboratories in Rochester | 
      
        | NCDCC | Neurochondrin Antibody, Cell-Binding Assay, Spinal Fluid Mayo Clinic Laboratories in Rochester | 
      
        | NCDTS | Neurochondrin Antibody, Tissue Immunofluorescence Titer, Serum Mayo Clinic Laboratories in Rochester | 
      
        | NCDTC | Neurochondrin Antibody, Tissue Immunofluorescence Titer, Spinal Fluid Mayo Clinic Laboratories in Rochester | 
      
        | NF4FS | Neurofascin-155 IgG4, Flow Cytometry, Serum Mayo Clinic Laboratories in Rochester | 
      
        | NF1Z | Neurofibromatosis Type 1, NF1, Full Gene Analysis, Varies Mayo Clinic Laboratories in Rochester | 
      
        | NF2F | Neurofilament (2F11) Immunostain, Technical Component Only Mayo Clinic Laboratories in Rochester | 
      
        | NFSMI | Neurofilament (SMI31) Immunostain, Technical Component Only Mayo Clinic Laboratories in Rochester | 
      
        | NFLP | Neurofilament Light Chain, Plasma Mayo Clinic Laboratories in Rochester | 
      
        | PNEFS | Neuroimmunology Antibody Follow-up, Serum Mayo Clinic Laboratories in Rochester | 
      
        | PNEFC | Neuroimmunology Antibody Follow-up, Spinal Fluid Mayo Clinic Laboratories in Rochester | 
      
        | NMOFS | Neuromyelitis Optica (NMO)/Aquaporin-4-IgG Fluorescence-Activated Cell Sorting (FACS) Assay, Serum Mayo Clinic Laboratories in Rochester | 
      
        | NMOFC | Neuromyelitis Optica (NMO)/Aquaporin-4-IgG Fluorescence-Activated Cell Sorting (FACS) Assay, Spinal Fluid Mayo Clinic Laboratories in Rochester | 
      
        | NSESF | Neuron-Specific Enolase (NSE), Spinal Fluid Mayo Clinic Laboratories in Rochester | 
      
        | NSEI | Neuron-Specific Enolase Immunostain, Technical Component Only Mayo Clinic Laboratories in Rochester | 
      
        | NSE | Neuron-Specific Enolase, Serum Mayo Clinic Laboratories in Rochester | 
      
        | NCLGP | Neuronal Ceroid Lipofuscinosis (Batten Disease) Gene Panel, Varies Mayo Clinic Laboratories in Rochester | 
      
        | NCLBS | Neuronal Ceroid Lipofuscinosis, Two-Enzyme Panel, Blood Spot Mayo Clinic Laboratories in Rochester |