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The Vitamin D 200M Assay for the Topaz System is intended for in vitro diagnostic use in the quantitative determination of total 25-hydroxyvitamin D (25-OH-D) through the measurement of 25-hydroxyvitamin D3 (25-OH-D3) and 25-hydroxyvitamin D2 (25-OH-D2) in human serum using LC-MS/MS technology by a trained laboratory professional in a clinical laboratory. The Assay is intended for use with the Topaz System. The Vitamin D 200M Assay for the Topaz System is intended to be used in conjunction with other clinical or laboratory data to assist the clinician in making individual patient management decisions in an adult population in the assessment of vitamin D sufficiency.

The Vitamin D 200M Assay for the Topaz System employs LC-MS/MS technology (Topaz System) in conjunction with reagents and sample preparation components to extract, separate by chromatography, detect, and quantify total Vitamin in human serum. The Topaz System is a liquid chromatography-tandem mass spectrometry (LC-MS/MS) system intended to for use in a clinical laboratory environment to identify inorganic or organic compounds in human specimens by ionizing the compound under investigation and separating the resulting ions by means of an electrical and magnetic field according to their mass. Each assay kit contains enough material for 1000 tests, and includes reagents, sample extraction and purification components, calibrators, controls and the Vitamin D 200M Assay specific file which contains all necessary parameters to process the assay.