Test Names: N

• N-Acetylgalactosamine-6-Sulfatase, Leukocytes
• N-Acetyltransferase 2 (<i>NAT2</i>) Genotype, Varies
• <i>N</i>-Methylhistamine, 24 Hour, Urine
• <i>N</i>-Methylhistamine, 24 Hour, Urine
• <i>N</i>-Methylhistamine, Random, Urine
• N-Methylhistamine, Random, Urine
• N-terminal Telopeptide, Serum
• NAbFeron (IFNB-1) Neutralizing Antibody Test
• Nadolol, Serum/Plasma
• Naloxone - Total (Conjugated/Unconjugated), Screen, Urine
• Napsin A Immunostain, Technical Component Only
• Narcolepsy-Associated Antigen, <i>HLA-DQB1</i> Typing, Blood
• Natural Killer (NK)/Natural Killer T-Cell Subsets, Quantitative, Blood
• Necropsy, regional (Bill Only)
• Necropsy, single organ (Bill Only)
• Necrotizing Myopathy Evaluation, Serum
• Nectarine (Prunus spp) IgE
• Negative Control, Technical Component Only
• <i>Neisseria gonorrhoeae</i>, Miscellaneous Sites, Nucleic Acid Amplification, Varies
• <i>Neisseria gonorrhoeae</i>, Nucleic Acid Amplification, Varies
• Neisseria Meningitidis IgG Vaccine Response
• Neonatal Bilirubin, Serum
• Neopterin
• Nettle, IgE, Serum
• Neu-N Immunostain, Technical Component Only
• Neural Epidermal Growth Factor-Like 1 Protein Immunostain, Technical Component Only
• Neuro-Oncology Expanded Gene Panel with Rearrangement, Tumor
• Neurofascin-155 IgG4, Flow Cytometry, Serum
• Neurofibromatosis Type 1, <i>NF1,</i> Full Gene Analysis, Varies<b></b>
• Neurofilament (2F11) Immunostain, Technical Component Only
• Neurofilament (SMI31) Immunostain, Technical Component Only
• Neurofilament Light Chain, Plasma
• Neuroimmunology Antibody Follow-up, Serum
• Neuroimmunology Antibody Follow-up, Spinal Fluid
• Neuromuscular Genetic Panels by Next-Generation Sequencing (NGS), Varies
• Neuromyelitis Optica (NMO)/Aquaporin-4-IgG Fluorescence-Activated Cell Sorting (FACS) Assay, Serum
• Neuromyelitis Optica (NMO)/Aquaporin-4-IgG Fluorescence-Activated Cell Sorting (FACS) Assay, Spinal Fluid
• Neuron-Specific Enolase (NSE), Spinal Fluid
• Neuron-Specific Enolase Immunostain, Technical Component Only
• Neuron-Specific Enolase, Serum
• Neuronal Ceroid Lipofuscinosis (Batten Disease) Gene Panel, Varies
• Neuronal Ceroid Lipofuscinosis (Batten Disease) Panel (Bill Only)
• Neurotensin
• Neurotransmitter Metabolites (5HIAA, HVA, 3OMD) (CSF)
• Neurotransmitter Profile 3
• Newborn Aneuploidy Detection, FISH
• Next-Generation Sequencing Acute Myeloid Leukemia, Therapeutic Gene Mutation Panel (<i>FLT3</i>, <i>IDH1</i>, <i>IDH2</i>, <i>TP53</i>), Varies
• Next-Generation Sequencing, Acute Myeloid Leukemia, 11-Gene Panel, Varies
• Next-Generation Sequencing, Reflex from Acute Myeloid Leukemia 4- or 11-Gene Panels, Varies
• Nickel, 24 Hour, Urine
• Nickel, Serum
• Nickel/Creatinine Ratio, Random, Urine
• Nickel/Creatinine Ratio, Random, Urine
• Nicotine and Metabolites, Random, Urine
• Nicotine and Metabolites, Serum
• Nicotine Survey, Serum
• Niemann-Pick Type C Detection, Fibroblasts
• Nitrogen, Total, 24 Hour, Urine
• Nitrogen, Total, Feces
• NKX3.1 Immunostain, Technical Component Only<b></b>
• <i>Nocardia</i> Stain, Varies
• Non-Gynecologic Direct Smear (Bill Only)
• Non-Gynecologic ThinPrep (Bill Only)
• Non-Seasonal Inhalant Allergen Profile, Serum
• Nonalcoholic Steatohepatitis (NASH)-FibroTest, Serum and Plasma
• Noonan Syndrome and Related Disorders Multi-Gene Panel, Blood
• Normal Transferrin CDG Panel (Bill Only)
• Norovirus PCR, Molecular Detection, Feces
• Northeast Regional Allergen Profile, Serum
• Nortriptyline, Serum
• <i>NOTCH3</i> Gene, Full Gene Analysis, Varies
• Novel Psychoactives, Umbilical Cord Tissue
• <i>NR4A3</i> (9q22.33) Rearrangement, FISH, Tissue
• NT-Pro B-Type Natriuretic Peptide, Serum
• <i>NTRK</i> Gene Fusion Panel, Tumor
• NTX-Telopeptide, Urine
• Nuclear Magnetic Resonance Lipoprotein Profile, Serum
• Nucleophosmin (<i>NPM1</i>) Mutation Analysis, Varies
• NUT Immunostain, Technical Component Only
• <i>NUTM1</i> (15q14) Rearrangement, FISH, Tissue
• Nutmeg, IgE, Serum
• Nuts Allergen Profile, Serum
• Nuts and Grains Panel IgG