The eplex BCID-GN Negative is intended for use as an external negative quality control to monitor the performance of in vitro laboratory nucleic acid testing procedures for the qualitative detection of gram-negative pathogens: Acinetobacter baumannii, Bacteroides fragilis, Citrobacter, Cronobacter sakazakii, Enterobacter (non-cloacae complex), Enterobacter cloacae complex, Escherichia coli, Fusobacterium necrophorum, Fusobacterium nucleatum, Haemophilus influenzae, Klebsiella oxytoca, Klebsiella pneumoniae, Morganella morganii, Neisseria meningitidis, Proteus, Proteus mirabilis, Pseudomonas aeruginosa, Salmonella, Serratia, Serratia marcescens, Stenotrophomonas maltophilia; Pan targets: Pan Candida, Pan Gram-Positive; and resistance genes: CTX-M, IMP, KPC, NDM, OXA and VIM on the cobas eplex blood culture identification gram-negative (BCID-GN) panel performed on the cobas eplex system (Roche Diagnostics).