CPT® Code 87522

Infectious agent detection by nucleic acid (DNA or RNA); hepatitis C, quantification, includes reverse transcription when performed

The CPT® Code 87522 refers to the detection of the hepatitis C virus (HCV) through nucleic acid testing, specifically focusing on the quantification of the virus's genetic material, either DNA or RNA. Hepatitis C is a viral infection that primarily affects the liver, leading to inflammation and potentially resulting in chronic conditions such as cirrhosis and liver cancer. The quantification process is essential for determining the presence and severity of an ongoing or chronic HCV infection. This procedure involves the extraction and identification of the virus's nucleic acid, which is crucial for assessing the viral load in a patient's system. By utilizing advanced techniques such as reverse transcription, the fragile RNA of the virus is converted into complementary DNA (cDNA), allowing for more accurate detection and measurement. This quantification not only aids in diagnosing the infection but also plays a vital role in monitoring the effectiveness of treatment regimens, thereby guiding clinical decisions and patient management.