Libre free style 14 days sensor repeatedly showed low sugar not responding to po large amount sugar intake.Finally bought accuchek and blood sugar was in 160-180 mg/dl.The next 2 sensors were also showing lower sugar by 40 mg than with blood sugar accucheks.The whole batch if 6 sensors are defective.New sensor from different batch is correctly showing sugar.This was notified to abbott free style 3 times in past and again today after realizing that whole batch is defective.Therapy date: (b)(6) 2020.Fda safety report id# (b)(4).
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