for Health Care Providers
Hepatitis C Virus Antibody Screening Flow Chart
Outline Version
History of positive test for hepatitis C virus antibody:
- Perform confirmatory test for viremia.
- If positive: Individual patient care decisions regarding counseling, further testing and potential treatment options are necessary. These should be based upon current literature or performed within approved research protocols.
- If negative: Patient unlikely to have chronic hepatitis C. Consider RIBA to rule out false positive for Ab.
No history of positive test for hepatitis C virus antibody:
- Presence or history of risk factors listed in the VA HCV Antibody Screening Guidelines
- If none: low priority for HCV antibody screening; not recommended unless at patient's request
- If present: recommend:
1) Counseling for risk behaviors
2) Screening for HCV antibody (eg EIA)
3) Measure ALT if not yet done- If HCV Positive: Perform confirmatory test for viremia
- If positive: Individual patient care decisions regarding counseling, further testing and potential treatment options are necessary. These should be based upon current literature or performed within approved research protocols.
- If negative: Patient unlikely to have chronic hepatitis C. Consider RIBA to rule out false positive for Ab.
- If HCV Negative: Patient unlikely to have chronic hepatitis C.
- If HCV Positive: Perform confirmatory test for viremia

