A customer in (b)(6) notified biomerieux of contamination with bacillus licheniformis in association with the bact/alert® fn plus culture bottle (ref.410852, lot 0004055368) while testing blood culture from a patient.The bottle was positive for growth and subcultured; the positive subculture identified as bacillus licheniformis using the mass spectrometry test method.The bacillus licheniformis identification was reported to the treating physician; however, there is no indication or report from the laboratory that the contamination result led to any adverse event related to the patient's state of health.Biomerieux has initiated an internal investigation.
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This report was initially submitted following notification from a customer in france regarding contamination with bacillus licheniformis in association with the bact/alert® fn plus culture bottle (ref.(b)(4), lot 0004055368) while testing patient blood culture.This organism is known to be a common blood culture contaminant, per published literature.Based on the evaluation of data and limited information provided by the customer, the most probable root cause for contamination of the bottle from bact/alert® fn plus lot 0004055368 is human error (bottle handling) by the customer.The customer is provided with instructions in the instructions for use (ifu) that address how to reduce the chance of contamination during sample collection/bottle inoculation into fn plus bottles.The ifu also reference cumitech 1c 4 for the proper specimen collection techniques.This document stresses the disinfection of the venipuncture site is very important in order to reduce contamination (e.G.Vigorously cleansing), and that contamination could lead to a specimen being determined positive when a clinically relevant isolate is not actually present.No adverse trends relating to potential bottle contamination issues from the manufacturing data of bact/alert® fn plus lot 0004055368, nor complaint trends related to bacillus licheniformis were found.There is no evidence of any bottle malfunction with the bact/alert® fn plus culture bottle lot 0004055368, nor indication that the manufacturing process contributed to the contamination issue as per the complaint by the customer.Monitoring and detection methods for potential bottle contamination are part of the manufacturing and quality control processes for bact/alert® culture bottles.The lot met all quality control and release specifications.See section h10.
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