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false positive

  1. B

    QuantiFERON-TB Gold was positive

    Mary, a senior female, had a followup appt with her PCP today. PCP is young, inexperienced but trying to do things the right way. Mary had labs done for a rheumatologist. Quite comprehensive, but a couple surprises. She had a positive result for IgG P41 (Borrelia) on Lyme Test. It was the...