|HCV RNA PCR tests
Jul 10, 2009
Hello. I have a question about HCV RNA PCR tests,I could not find a straight up answer in this site and from others It ranges from: 1-2 weeks 1-3 weeks 14-28 days
I Was wondering what is the window period for HCV RNA PCR tests?
Thanks in advance, Adam
| Response from Dr. McGovern
Thank you for your excellent question.
Following exposure, HCV RNA can appear in blood in as little as days to a couple of weeks. However, there is no clear interval after exposure when a negative HCV RNA would rule out infection. This has not been well-studied.
Some major guideline committees have recommended HCV RNA testing immediately and at 4 and 12 weeks; HCV antibody testing immediately and at week 12; and ALT (liver function testing) at weeks 4 and 12.
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