CPT® Code 83788

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The CPT® Code 83788 refers to a laboratory procedure that utilizes mass spectrometry and tandem mass spectrometry (MS, MS/MS) techniques to qualitatively analyze a specific analyte that is not categorized under any other existing code. Mass spectrometry is a powerful analytical method that allows for the identification and quantification of chemical substances by measuring the mass-to-charge ratio of ions. In this context, the term "qualitative" indicates that the procedure is focused on determining the presence or absence of a particular substance rather than measuring its concentration. This code is particularly useful in clinical settings where the identification of unknown or unspecified substances is necessary for diagnostic purposes. It is important to note that if the procedure involves measuring the quantity of a substance, the appropriate code to use would be CPT® Code 83789, which is designated for quantitative analysis using mass spectrometry.