CPT® Code 80304

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Drug screen, any number of drug classes, presumptive, single or multiple drug class method; not otherwise specified presumptive procedure (eg, TOF, MALDI, LDTD, DESI, DART), each procedure

The CPT® Code 80304 refers to a laboratory test designed to detect the presence of one or more drug classes in biological samples such as body tissues or fluids, as well as pharmaceutical compounds. This test employs presumptive procedures, which are preliminary methods used to indicate the possible presence of drugs without providing definitive identification. The term "presumptive" signifies that the results are not conclusive and may require further confirmatory testing. Various advanced techniques are utilized in this process, including Time of Flight (TOF) mass spectrometry, which measures the mass-to-charge ratio of ions to identify substances in a sample. Another method, Matrix-Assisted Laser Desorption/Ionization (MALDI), is a soft ionization technique that enhances the analysis of complex mixtures by utilizing laser energy to create ions from the sample. Additionally, Laser Diode Thermal Desorption (LDTD) is a technique that combines laser energy with tandem mass spectrometry to analyze samples effectively. Dispersed Electrospray Ionization (DESI) is another innovative method that applies high voltage to an aerosol to ionize the sample for analysis. Lastly, Drug Affinity Response Target (DART) is a technique that focuses on mapping interactions between proteins and metabolites to identify specific drugs or chemicals present in the sample. Overall, CPT® Code 80304 encompasses a range of sophisticated methodologies aimed at the preliminary detection of drugs, providing essential information for further clinical evaluation and management.