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hepatitis c result variance
i been a lab technologist. i tested a sample for hcv eliza which turned negative the clinician orderd for hcv pcr which turned out positive 10 000 000 copies/ml.
know can you explain to me what this means?
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1225178_tn?1318984204
One of the tests was wrong. Probably the first one.
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"False-negative ELISA results: Patients who have negative results on ELISA but positive results on PCR are usually considered to have false-negative results. False-negatives results are probably most common very early after infection (it takes 6 to 8 weeks for third-generation-ELISAs to yield positive results vs. 2 to 3 weeks for PCR) or in patients who have an impaired immune system"

http://www.ahrq.gov/clinic/3rduspstf/hepcscr/hepcrevapp.htm
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