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Virology/Donor Testing Laboratory

Hepatitis C Antibody Confirmation by Recombinant Immunoblot Assay (HCV RIBA)

  • Transaction Code: 3063-03
  • CPT Code (Suggested): 86804

The RIBA HCV strip immunoblot assay is a qualitative enzyme immunoblot assay for the detection of antibodies to individual proteins encoded by the hepatitis C virus (HCV) in human serum or plasma. This assay is performed only on samples reactive for anti-HCV by the screening test.

  • Sample Required: Clear, nonhemolyzed serum or plasma, 7 ml clot preferred.

    Samples may be stored at 2-8°C up to 7 days. Samples frozen at -10°C or colder within this 7 day period are also acceptable for testing.

    Heat inactivated samples are unacceptable for testing.

  • Expected Results: Nonreactive, Indeterminate, Positive
  • Testing and Reporting: Results are generally available in 14 days.