What blood tests are used to detect HCV infection?
Several blood tests are performed to test for HCV infection, including: • Screening tests for antibody to HCV (anti-HCV) • enzyme immunoassay (EIA) • enhanced chemiluminescence immunoassay (CIA) • Recombinant immunoblot assay (RIBA) • Qualitative tests to detect presence or absence of virus (HCV RNA polymerase chain reaction [PCR]) • Quantitative tests to detect amount (titer) of virus (HCV RNA PCR)