LabMed

Positive Serologic Test for Hepatitis C Virus (HCV)

Differential Diagnosis

Hepatitis C virus infection

False-positive serologic test for hepatitis C

Suggested Additional Lab Testing

Acute hepatitis C

  • Elevated liver function tests are expected with positive tests for anti-HCV by a variety of methods.

  • Result may not become positive until 12-16 weeks after exposure.

  • Patients are typically positive for HCV RNA within 4 weeks of infection.

  • Serum or plasma HCV RNA and genotyping studies may be useful in following response to therapy.

Chronic hepatitis C

  • Patients are positive for anti-HCV antibodies.

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