NPM1 Mutation by PCR and Fragment Analysis

NMP22, Urine

NRAS Mutation Detection by Pyrosequencing

Nocardia Culture and Gram Stain

N-Telopeptide, Cross-Linked, Serum

Non-Criteria Antiphospholipid Syndrome (APS) (aPa, aPc, aPe, aPg, aPi) Antibodies Extended Panel

N-Telopeptide, Cross-Linked, Urine

Non-Criteria Antiphospholipid Syndrome (APS) (aPs, aPt, aPs/aPt) Antibodies Panel

Nuclear Antibody (ANA) by IFA, IgG

Non-Invasive Prenatal Testing for Fetal Aneuploidy (Panorama) with Microdeletions

Neutrophil-Associated Antibodies

Non-Invasive Prenatal Testing for Fetal Aneuploidy (Powered by Constellation)

Niacin (Vitamin B3)

Non-Invasive Prenatal Testing for Fetal Aneuploidy with 22q11.2 Microdeletion (Panorama)

Nickel, Serum

Non-Invasive Prenatal Testing for RhD Genotyping, Fetal