Biomarkers: explore one system at a time

Showing 821–840 of 1204 results

• Myristoleic, C14:1 Measures myristoleic acid, a minor monounsaturated fatty acid, as part of a serum fatty acid profile looking at diet and fat metabolism.
• NAT2 Genotype Identifies inherited variants in the NAT2 gene, which affect how quickly your body processes certain medicines such as isoniazid and hydralazine.
• NAT2 Phenotype Your predicted NAT2 acetylator status (slow, intermediate or rapid), derived from your NAT2 genotype, which affects how you process certain medicines.
• Natural Killer Cells (CD3-CD16+CD56+), Absolute The absolute number of natural killer (NK) cells, immune cells that attack infected and abnormal cells, in your blood, measured by flow cytometry.
• Neisseria gonorrhoeae, Detection Looks for genetic material from Neisseria gonorrhoeae, the bacterium that causes gonorrhea, in a urine or urogenital sample.
• Nervonic, C24:1W9 Measures nervonic acid, a long-chain omega-9 fatty acid that is an important building block of nerve tissue, in serum.
• Nettle (w20) IgE Measures IgE antibodies to nettle pollen to check for allergic sensitization that may explain summer hay fever or asthma symptoms.
• Neurofilament Light ChainNfL A protein released when nerve cells are damaged. An emerging marker studied in neurological conditions like multiple sclerosis and neurodegenerative disease.
• Neutrophils The number of neutrophils, the most abundant white blood cell type and a first-line defense against infection, in your blood.
• Neutrophils (%) The percentage of your white blood cells that are neutrophils, a first-line defense against infection.
• Nicotinamide Measures nicotinamide, a form of vitamin B3 (niacin), in serum to help assess vitamin B3 status and intake.
• Nitrite Checks your urine for nitrite, which is produced when certain bacteria are present, as a screening sign of a urinary tract infection.
• N-Methylperfluorooctane Sulfonamidoacetic AcidN-MeFOSAA Measures N-MeFOSAA, a PFAS forever chemical, in your blood to help assess exposure to this group of persistent industrial compounds.
• Non-HDL Cholesterol Total cholesterol minus HDL — capturing all the potentially artery-clogging ('bad') cholesterol particles in one number.
• Norclozapine Measures blood levels of norclozapine, the active metabolite of the antipsychotic medication clozapine, used to help guide dosing.
• N TelopeptideNTx Measures N-telopeptide (NTx), a fragment released when bone is broken down, in urine to help assess bone resorption and monitor treatment.
• N-Terminal Pro-B-Type Natriuretic PeptideNT-proBNP A protein fragment released by the heart, along with the hormone BNP, when it's under strain. A key marker used to help diagnose and monitor heart failure.
• Nucleated RBC The absolute number of nucleated red blood cells, immature red cells not normally seen in adult blood, as part of a blood count.
• Nucleated RBC (%) The number of nucleated red blood cells, immature red cells not normally seen in adult blood, expressed relative to your white blood cells.
• Nucleated RBC (%), Automated An automated count of nucleated red blood cells, immature red cells not normally seen in adult blood, reported relative to white blood cells.