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Urea Agar is used for the differentiation of organisms, especially the Enterobacteriaceae, on the basis of urease production.

Urea Agar was devised by Christensen for use as a solid medium for the differentiation of enteric bacilli.¹ It differentiates between rapid urease-positive Proteeae organisms (Proteus spp., Morganella morganii subsp. morganii, Providencia rettgeri, and some Providencia stuartii) and other urease-positive organisms: Citrobacter, Enterobacter and Klebsiella and bacteria other than Enterobacteriaceae; i.e., some Bordetella and Brucella species.²

The base is also supplied as a filter-sterilized 10X concentrated solution in tubes for use in preparing Urea Agar slants in the user's laboratory.

See "Quality Control Procedures."

Quality Control requirements must be performed in accordance with applicable local, state and/or federal regulations or accreditation requirements and your laboratory's standard Quality Control procedures. It is recommended that the user refer to pertinent CLSI (formerly NCCLS) guidance and CLIA regulations for appropriate Quality Control practices.

For in vitro Diagnostic Use.

Tubes with tight caps should be opened carefully to avoid injury due to breakage of glass.

Observe aseptic techniques and established precautions against microbiological hazards throughout all procedures. Prior to discarding, sterilize prepared tubes, specimen containers and other contaminated materials by autoclaving.