Information about a laboratory test
Anti-HCV checks for antibodies to hepatitis C virus in blood.
Anti-HCV checks for antibodies to hepatitis C virus in blood.
Anti-HCV is used as an initial screening test for HCV infection.
A negative/nonreactive anti-HCV result usually means HCV antibody was not detected; recent exposure may require attention to the window period.
A positive/reactive anti-HCV result can reflect past or current HCV infection; HCV RNA testing is needed to determine current infection.
Start with the performing laboratory's reference or decision range, assay method, specimen and reporting unit. A single result usually does not establish a diagnosis on its own.
Sourced reference/decision context for Anti-HCV
This is sourced reference or clinical-context information; the user's own laboratory report, assay method and clinical context take priority.
Reference ranges may vary by laboratory, method used, age, sex, pregnancy status, and clinical context. The reference range on your own laboratory report takes precedence.
An HCV antibody test does not confirm active infection by itself; a reactive result is followed by HCV RNA testing.
Clinical Testing and Diagnosis for Hepatitis B — Centers for Disease Control and Prevention
U.S. government clinical guidance · 2025 · HBsAg, anti-HBs, total anti-HBc triple-panel interpretation · Verified: Aug 12, 2026
Testing for Hepatitis C — Centers for Disease Control and Prevention
U.S. government clinical reference · 2025 · HCV antibody screening and follow-up HCV RNA testing · Verified: Aug 12, 2026
Getting Tested for HIV — Centers for Disease Control and Prevention
U.S. government clinical reference · 2025 · HIV antigen/antibody testing and window period · Verified: Aug 12, 2026
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