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OSPHL received notification from the manufacturer of problems in the manufacture of the QuantiFERON-TB Antigen specimen collection tube which could affect positive test results.
OSPHL recommends that patients with positive QuantiFERON test results from our laboratory from May 17, 2012 through September 28, 2012 be retested to confirm the result. Retesting will be done at no additional charge by our laboratory.
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