Columbia CNA Blood Agar

Colistin Nalidixic Acid Columbia Blood (CNA) Agar  is a selective and differential media used for the isolation and differentiation of gram-positive microorganisms from clinical and non-clinical materials.                                                                                                                       Chromogenic Urinary Tract Infection (UTI) (Orientation) is a non-selective chromogenic culture medium intended for use in the qualitative direct detection, differentiation and presumptive identification of uropathogens to aid in the diagnosis of urine tract infections.