An item impregnated with a standardized quantity of a chemical agent(s) for the differentiation of certain groups of microorganisms (presumptive differentiation). For discs used for sensitivity testing, see sensitivity discs, diagnostic.
Classification: Diagnostic or lab reagents on a backing, prepared diag/lab reagents whether or not on a backing, not of heading 3002 or 3006; certified ref materials
NSN 5930-00-479-4114
NSN 5985-01-027-1829
NSN 6685-01-605-0114
NSN 6610-01-649-5326
NSN 6620-01-658-2480
NSN 7035-00-020-2227
NSN 5985-00-459-3238
NSN 6240-01-571-5181
NSN 5895-00-757-5367
NSN 5975-01-655-3955
NSN 6220-00-128-3563
NSN 5945-01-078-4141