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Improper donor screening test; diagnostic test kits were used in lieu of a donor screening test kits for HBsAG and HBcAB (later re-testing with FDA-approved donor screening test found samples non-reactive for both Hepatitis B Surface Antigen and Hepatitis B Core IgM/IgG Antibody)
Reversed Instrument Position : a defect in the software version 3.0 causes an error in the position of surgical instruments and relative motion are reversed 180' on the StealthStation image. (If the StealthStation is not used, or if the patient orientation is prone or supine, the problem does not occur)
Incorrect micro-organism-- .Quality control In-vitro diagnostic test was manufactured with Cryptococcus neoformans (ATCC 76484) instead of Haemophilus parainfluenzae (ATCC 7901).