CPT® Code 82055

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The CPT® Code 82055 refers to the laboratory testing of alcohol (ethanol) levels in any specimen type, excluding breath samples. Ethanol is classified as a central nervous system depressant, and measuring its levels is crucial for documenting prior consumption or administration of the substance. This code specifically encompasses tests performed on blood or urine samples to determine the concentration of alcohol present. For blood testing, a sample is collected through a procedure known as venipuncture, which is separately reportable. The analysis of the blood sample is typically conducted using advanced techniques such as gas liquid chromatography or enzymatic methods. In the case of urine testing, the samples are evaluated using either alcohol dehydrogenase or gas chromatography-flame ionization detection methods. It is important to note that this code does not include breath tests, which are covered under CPT® Code 82075. Breath tests measure the levels of alcohol exhaled in the breath, correlating the concentration of alcohol in the alveoli air to blood alcohol content (BAC) through various methods, including chemical analysis, infrared spectroscopy, or fuel cell technology. Overall, CPT® Code 82055 is essential for accurately assessing alcohol levels in patients, aiding in clinical decision-making and legal considerations.