The vista lab machine was resulting sodium and potassium levels as low.There was a 20 unit dip in results.The lab tech had noticed some trending of low lab levels and reran the results.He reported these to the physicians.Siemen was contacted and came to service the machine.They found that there was a int clogged drain.This was fixed and then was functioning properly.All lab results that erroneously reported were caught with the exception of this pt.The erroneous results had been reported to the doctor earlier during the day and when the erroneously results were discovered they were reran around 1700.The test resulted out after clinic hours and the lab department attempted to reach the doctor but were unsuccessful.On (b)(6) 2016, risk was notified that the pt had been admitted the night before for low sodium and potassium levels and had been treated for these results.The pt was discharged home on (b)(6) 2016.
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