Description
Niacin (nicotinic acid) is a water-soluble vitamin, the deficiency of which in the body leads to a disease with predominant damage to the skin, gastrointestinal tract, and nervous system - pellagra. This test is used to diagnose vitamin B3 deficiency in the body. This test is prescribed: for clinical signs of pellagra (dermatitis, diarrhea, dementia, glossitis); for malabsorption syndrome against the background of gastrointestinal tract diseases; for Hartnup disease (hereditary pathology of absorption of tryptophan and some other amino acids from the intestine).
Period of execution
Within 5 days. The specified time does not include the day of biomaterial collection
Biomaterial type