• As part of a screening test, if you are at risk of contracting HCV infection, such high-risk persons includes if you are injecting illegal drugs, receiving blood transfusion or organ transplant, undergoing dialysis, have been exposed to someone with hepatitis C, health care workers, if you have evidence of chronic liver disease, if you have HIV, if a child is born to a hepatitis C positive mother.
• If you have abnormal liver panel results, hepatitis C viral antibody test can be done
• If your antibody test is positive, HCV RNA test may be ordered as follow-up test
• If you have been diagnosed with HCV infection, HCV genotyping can be done before the commencement of treatment.
• If you are undergoing treatment, HCV viral load may be ordered to monitor and evaluate effectiveness of treatment

• If your HCV antibody is negative it indicates no infections or the test has been carried out too early following an exposure, so a later test would be required
• If HCV antibody is positive or indeterminate with a negative HCV RNA it indicates past infection or no infection, additional tests can be done.
• If your HCV antibody is positive or weak or indeterminate with a positive HCV RNA it indicates a current infection.
• If the serial load is increasing it indicates an unsuccessful treatment, however of HCV RNA load is decreasing or undetectable, it indicates effective treatment 
• HCV genotype identifies the specific strain, a person has, this helps the health care provider in choosing the type of treatment.

Liver Function Test or LFT is group of test to screen, monitor or detect the inflammation or damage to the liver. They are used to determine the health of your liver.