SIEMENS N/T Protein Control SL for use on the BN II, BN ProSpec Systems: N/T Protein Control SL/L: REF/Product Code OQIN19, SMN 10446079 (Low); N/T Protein Control SL/M, REF/Product Code OQIO19, SMN 10446085 (Mid); N/T Protein Control SL/H, REF/Product Code OQIP19, SMN 10446089 (High); — recall Z-0191-2018
U.S. FDA — Device Enforcement · Germany · 2017-06-05 · Class II
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Reported risk: Siemens Healthcare Diagnostics has confirmed a negative bias of approximately -20% for results obtained with N Antiserum to Human Ceruloplasmin when calibrating Ceruloplasmin with various lots of N Protein Standard SL. N/T Protein Controls SL for Ceruloplasmin are similarly biased. --- The affected standards and controls for the affected lots were incorrectly value assigned, which led to a lower result compared to correctly assigned standards. Note: N Antiserum to Human Ceruloplasmin (REF OUIE) works as intended. --- Siemens investigation indicated that N Protein Standard SL and corresponding N/T Protein Control SL (Levels Low, Mid and High) are inaccurately assigned for Ceruloplasmin.
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