Section 866.2410 - Culture medium for pathogenic Neisseria spp(a)Identification. A culture medium for pathogenic Neisseria spp. is a device that consists primarily of liquid or solid biological materials used to cultivate and identify pathogenic Neisseria spp. The identification aids in the diagnosis of disease caused by bacteria belonging to the genus Neisseria, such as epidemic cerebrospinal meningitis, other meningococcal disease, and gonorrhea, and also provides epidemiological information on these microorganisms.(b)Classification. Class II (performance standards).