CPT® Code 82541

Deleted

Column chromatography/mass spectrometry (eg, GC/MS, or HPLC/MS), non-drug analyte not elsewhere specified; qualitative, single stationary and mobile phase

Column chromatography/mass spectrometry is a sophisticated analytical technique that combines the principles of chromatography and mass spectrometry to analyze chemical substances. In this method, chromatography is employed to separate various chemical components within a sample during two distinct phases: the stationary phase and the mobile phase, which can be either gas or liquid. Once the components are separated, they are directed into a mass spectrometer, which captures and measures the isolated molecules as they elute from the chromatography column. This process is crucial for determining the precise chemical structure of the components being analyzed. The technique is particularly noted for its high sensitivity and selectivity, making it effective for analyzing complex mixtures that may contain multiple elements or intermediates. Common applications of this method include the detection of compounds in biological samples, such as blood or other bodily fluids, where it is used to identify chemical contaminants. It is important to note that the qualitative nature of this test means it is designed to confirm the presence of an analyte without quantifying the exact concentration of the substance in the sample.