CPT® Code 83890

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Molecular diagnostics involve a series of tests designed to identify genetic mutations that may indicate the presence of specific diseases, even in patients who do not exhibit any symptoms. These tests play a crucial role in the monitoring and diagnosis of existing disease states, as well as in screening for genetic carriers of diseases. Additionally, they help identify individuals who may be predisposed to certain conditions, allowing for timely preventive medical interventions. The process of molecular diagnostics includes the preparation of nucleic acids, which can consist of undigested nucleic acids, digestates, or specially modified samples such as newly synthesized oligonucleotides. The primary focus of CPT® Code 83890 is on the purification and isolation or extraction of nucleic acids, specifically DNA or RNA. This is achieved through various techniques tailored to the specific requirements of the study, including methods such as precipitation, chromatography, and centrifugation. It is important to note that both CPT® Code 83890 and its related code, 83891, are utilized for reporting each nucleic acid type tested, whether it be DNA or RNA.