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Laboratory Testing for Hepatitis C

Patient Case

Slide 8

April 2008

Our patient was found to have a positive HCV Total Antibody by a chemiluminescence immunoassay, which is the method used here at Mayo Medical Laboratories. With a signal-to-cutoff ratio of 15.1 for enzyme immunoassay and, any signal-to-cutoff greater than 1 is considered positive. The value of the ratios do not necessarily correlate with the amount of antibodies present, but in general, the higher the signal-to-cutoff ratio value, the more antibodies are usually detected in the specimen.

Patient Case


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