Complaint (b)(4).Received 454247p: 1rk and 1pc b17103ks, 5pc b161038s, 1pc b17063kd and 2pc b17073nb (not on original complaint) for evaluation.No samples of b171033w were received.We have no further complaints on the material/batches.Samples were tested, according to gbo standard testing procedures, with regards to correct assembly, level mark, filling level, draw volume and additive content according to iso 6710 'single use containers for venous blood specimen collection' and clsi gp39-a6 regulations for 'evacuated tubes and additives for blood specimen collection'.Tubes were verified to be correctly assembled and had the correct fill guide line position.Greiner fill mark provides a visual control opportunity for the phlebotomist and for the lab personnel to check for proper volume collection of specimen.Both standards specify the draw volume to be within +/- 10% range of the nominal fill volume.No visual deviation in fill volume, sporadic low or high fill, could be observed in the tested samples.All tubes tested filled within the +/-10% tolerance range.Additive content was found to be within specification in all tested samples.Samples were checked for potassium content and none could be detected.No deviations could be observed in the samples.The complaint cannot be confirmed.
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Customer states they are experiencing intermittent low calcium results.Customer identified four lot numbers, but advised that it has occurred with other lots prior.The analyzer used by customer is siemens dimension vista.After servicing the analyzer, the siemens' field service tech told the customer the issue was not with the analyzer and that the low calcium occurrence may be caused by the tube.Customer advised they are unaware of any other erroneous results occurring concurrently with the low calcium.Customer reports no hemolysis, icterus, cloudiness or particulate matter in the plasma samples.
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