Anti-HCV Antibody
Anti-HCV is an antibody against the hepatitis C virus. A positive anti-HCV indicates that the person has been infected with hepatitis C at some point — it does not distinguish active infection from past cleared infection. A positive anti-HCV always needs confirmation with HCV RNA (viral load) to determine whether the virus is currently present. Hepatitis C is highly curable with modern direct-acting antiviral therapy — cure rates exceed 95%.
Expected Result
Normal
Non-reactive
A reactive (positive) result requires HCV RNA testing to confirm active infection.
This is a qualitative test — results are reported as positive or negative rather than as a numeric range. Interpretation may vary by laboratory method; always review with your doctor.
What a Negative Result Means
A negative anti-HCV generally rules out hepatitis C infection. Note that antibodies can take 2–6 months to develop after exposure — in a recent high-risk exposure (needlestick injury, new sexual contact, shared needle), a negative test should be repeated at 3 and 6 months. Immunocompromised patients may also produce antibodies later; HCV RNA is more reliable in those cases.
What a Positive Result Means
A positive anti-HCV means past or present hepatitis C infection. HCV RNA (viral load) is the next test — a positive RNA confirms active chronic infection, which is eligible for direct-acting antiviral treatment with >95% cure rates over 8–12 weeks. A negative RNA in the setting of a positive antibody means the person has cleared the virus (spontaneously or with treatment) and is not actively infected.
Frequently Asked Questions
I tested anti-HCV positive. What next?
Get HCV RNA (viral load) testing. A positive RNA confirms active infection and triggers hepatitis C treatment — this is now a highly effective short course (8–12 weeks) of oral pills with cure rates above 95%. A negative RNA means you cleared the infection and need no treatment, though the antibody will remain positive for life.
Is hepatitis C curable?
Yes — this is the modern era of hepatitis C. Direct-acting antiviral regimens (sofosbuvir-velpatasvir, glecaprevir-pibrentasvir) cure more than 95% of chronic hepatitis C infections over 8–12 weeks with minimal side effects. In India, generic versions have made this accessible. Cirrhosis does not preclude treatment but may need specialist care.
How is hepatitis C transmitted?
Blood-to-blood contact — unsterile injections, shared needles, contaminated tattoo and piercing equipment, and (historically) unscreened blood transfusions. Sexual transmission is much less common than with hepatitis B, but higher in men who have sex with men or in the presence of HIV co-infection. Mother-to-child transmission happens in 5–10% of pregnancies in HCV RNA-positive mothers.
Related Infectious tests
See all →ASO Titre (Anti-Streptolysin O)
Antibody against streptococcal toxin — evidence of recent strep infection.
IU/mLInfectiousWidal Test
Antibody test for typhoid fever — used cautiously due to specificity issues.
InfectiousDengue NS1 Antigen
Early dengue virus antigen — detectable in the first week of fever.
InfectiousDengue IgM Antibody
Antibody that rises in the second week of dengue infection.
This information is for educational purposes only and should not replace professional medical advice. Always consult your doctor for interpretation of your test results.
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