Patent ID: 9494497
Filing Date: 2016-11-15
CPC Classification: G01N

Claim Text:
1. A system for determining the concentration of an analyte of interest in a bodily fluid, the system comprising: a fluid pumping system comprising at least one positive pressure pump and at least one valve for directing fluid flow; a sample preparation portion comprising a disposable cartridge having a sample introduction port, a filtration region, a chromatography region, and an outlet; a sample analysis portion comprising a mass spectrometer, wherein the mass spectrometer produces a spectra for the analyte of interest in a sample of a bodily fluid, and at least one of a plurality of isotopes of the analyte of interest or a plurality of derivatized samples of the analyte of interest added to the sample in a single spectral measurement; and at least one processor having operational thereon computer instructions for at least controlling operation of the system, determining a concentration of the analyte contained in the bodily fluid sample, and reporting the at least one analyte concentration.