Cellestic customer (b)(4) received where customer reported that they drew 5 samples on monday ((b)(6)) before training.During the first day of training , the samples were run and all resulted as positive.They stated that they had worked in many different labs in the hospitals and with lots of patients.That same day the samples were redrawn plus an additional 2 samples.They repeated as positive on the second day of training, with the additional 2 samples as negative.The validation samples that were supplied resulted as expected with a mixture of positives and negative results.The customer sent the 7 tubes that were drawn for the second day of testing to their lab in sioux falls, and they confirmed the positive and negative results.The customer then ordered a new tube lot and redrew the same 7 samples.They ran these samples in their lab and sent them to mayo to run.All are negative.They are convinced that it is the lot of tubes.
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