The microbiology laboratory receives a genital culture from…

The microbiology laboratory receives a genital culture from a 28-year-old female. The specimen direct Gram stain reveals, gram-positive cocci in clusters and gram-negative cocci in chains. The microbiologist inoculates a sheep blood agar plate, a chocolate agar plate, a modified thayer martin plate and a LIM Broth (selective enrichment for group B streptococci). The second shift microbiologist identifies the discrepancy and must take corrective action. The discrepancy indicates: