Tests and screening strategies for the diagnosis of hepatitis C

William Carey1

  • 1Department of Gastroenterology and Hepatology, Cleveland Clinic Foundation, Cleveland, Ohio 44195, USA. careyw@ccf.org

Insights

Testing for hepatitis C virus (HCV) should be readily available for individuals with any HCV risk factors. Early viral RNA testing and genotyping are crucial for diagnosing active infection and guiding effective antiviral therapy.

Area of Science:

  • Hepatology
  • Virology
  • Infectious Diseases

Background:

  • Hepatitis C virus (HCV) infection requires timely diagnosis and management.
  • Current diagnostic guidelines involve antibody screening followed by RNA testing.

Purpose of the Study:

  • To outline optimal screening and diagnostic strategies for hepatitis C virus (HCV) infection.
  • To emphasize the importance of risk factor-guided testing and early viral detection.

Main Methods:

  • Review of current practices in HCV testing.
  • Discussion of serological and molecular diagnostic assays for HCV.
  • Consideration of HCV genotyping and liver biopsy for disease management.

Main Results:

  • HCV RNA testing is essential for differentiating active from resolved infections and determining viral load.
  • HCV genotyping aids in predicting treatment outcomes and duration.
  • Liver biopsy provides valuable information for disease staging and treatment decisions.

Conclusions:

  • A low threshold for HCV testing is recommended for individuals with identified risk factors.
  • Integrated screening strategies incorporating risk assessment, viral RNA detection, genotyping, and potentially liver biopsy improve patient outcomes.