Description : CHROMagar Orientation has been developed primarily for differentiation and presumptive identification of the main organisms, gram negative and gram positive, usually found in Urinary Tract Infections. However CHROMagar Orientation has a broader application as a general nutrient agar for the isolation of various microorganisms. It presents an instant distinctive colonial colouration to obtain a large spectrum of differentiation of species. In most cases of urine samples, that allows full differen