CPT® Code 80101

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A qualitative drug screen is a laboratory procedure designed to detect the presence or absence of specific drugs or drug classes in a biological specimen. This type of screening does not measure the concentration or amount of the drug; rather, it simply indicates whether the drug is present. The procedure can be performed using various methods, including chromatographic techniques for multiple drug classes or immunoassay and enzyme assay methods for a single drug class. The specimens used for testing can include blood serum, urine, saliva, sweat, hair, or other biological materials. The qualitative nature of the test means that it is primarily used for initial screening purposes, often in clinical settings or for substance abuse monitoring. The testing process for a single drug class typically involves introducing specific substances that react in the presence of the target drug, allowing for a straightforward determination of whether the drug is present in the specimen. This method is commonly automated, enhancing efficiency and accuracy in the testing process.