Report received of false negative urine hcg results on surestep hcg urine cassette (25t).Event occurred in (b)(6).Report received that the surestep hcg test did not pass laboratory specificity and sensitivity at 25 miu/ml of hcg.The first round of laboratory testing has been completed in the post-market medical device review of human chorionic gonadotropin (hcg) urine pregnancy test kits.Reportedly, the +plus hcg urine and alere hcg cassette passed laboratory specificity and sensitivity at 25 miu/ml of hcg.However, the surestep device did not.This device was sensitive at 50 miu/ml but not 25 miu/ml.Reportedly, there was no patient involvement.No reported adverse patient sequela.No additional information available.
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