CPT® Code 80104

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A qualitative drug screen is a laboratory procedure designed to detect the presence or absence of multiple drug classes in a specimen, utilizing methods that do not involve chromatography. Unlike quantitative drug tests, which measure the concentration of drugs, qualitative tests focus solely on whether specific drugs or drug classes are present in the sample. This type of screening is essential in various clinical settings, including emergency departments, rehabilitation centers, and routine health assessments, where rapid results are often required. One common method employed for this type of testing is the fluorescent immunoassay, which is analyzed using a fluorescent spectrophotometer. This method is typically performed on a point-of-service rapid test system, allowing for immediate results. The specimen for testing can be obtained from various sources, including blood serum, urine, saliva, sweat, hair, or other biological materials. The technician follows the physician's orders to program the testing device for the specific drug classes to be screened. After the specimen is tested according to the manufacturer's instructions, the device provides a clear positive or negative result for each drug class analyzed, facilitating timely clinical decision-making.