InTray® COLOREX Screen Culture Media, Differentiate Urinary Tract Pathogens, pack/20

InTray® COLOREX Screen Culture Media, Differentiate Urinary Tract Pathogens, pack/20

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InTray® COLOREX™ Screen makes preliminary detection of UTI pathogenic species easy by producing distinctive color and morphology differences in as little as 24 hours.

Card image capFor Rapid Isolation and Differentiation of Urinary Tract Pathogens

The major target of this medium is the detection of urinary tract pathogens, but COLOREX Screen has a broader application as a general nutrient agar for the isolation of various microorganisms.

This diagnostic tool can also be used to differentiate various microorganisms in other infected areas; e.g., scars, wounds, etc. In addition, it's useful when supplemented with various antibiotics in detecting increasingly important nosocomial and multidrug resistant microorganisms.

InTray COLOREX screen uses CHROMagar Orientation Chromogenic Media.


Product Principle
  • Combine collection, culture, result and microscopic observation in one IVD device.
  • Highly selective prepared media in a device designed for in-vitro specimen transport and incubation.
  • Rapid presumptive-positive diagnosis without re-plating. Intray can be placed directly on microscope stage
  • Fully enclosed cassette with Tyvek® air filtration prevents contamination and exposure, post-collection.
Simple Convenience
  • InTray is designed for specimen collection/ inoculation at point-of-care
  • Saves time, material cost and waste, reducing exposure to collected sample
  • Place directly on the microscope tray for observation through the cassette’s clear anti-fog window
  • Visual chromogenic differentiation
Accurate Detection



Colony Appearance

E. coli   Dark pink to reddish
Enterococcus   Turquoise blue
Klebsiella   Metallic blue
Enterobacter   Metallic blue
Citrobacter   Metallic blue
Proteus   Brown halo
Pseudomonas   Cream, translucent
S. aureus   Golden, small, opaque
S. saprophyticus   Pink, small, opaque
Time to Result

Incubate at 37°C for 24-72 hours under ambient atmosphere. Note any colony color and morphology


Expiration is 12 months from the date of manufacture.

Upon receipt, store InTray COLOREX Screen under refrigeration (2-8°C). Medium can be kept for one day at ambient temperature. Avoid freezing or prolonged storage at temperatures above 40°C. Do not open until ready to use. Do not use if the medium shows signs of deterioration or contamination.


Urine | Pus | Stool | Scar tissue

Features and Benefits

Card image cap

Shelf Life & Durability:

  • Manufactured for extended 12-month shelf life.
  • Durable and stackable for incubation
  • No re-plate or wet mount
  • Once inoculated, no other culture preparation is required, saving time and money.
  • Designed for specimen collection/inoculation at point-of-care, InTray is a fully enclosed system for transport, incubation, result and microscopic observation.
  • The sealed, prepared media device is selectively formulated for accurate detection and identification of pathogens and non-pathogens
  • Visual chromogenic differentiation and/or selective production of distinctive colony growth with typical identifiable morphology

Key Features:

  • Fully enclosed cassette with air filtration system
  • Nutritive culture colony growth medium, formulated for selectivity and specificity
  • Anaerobic or aerobic system available (on select products)

Experience a Reduction in:

  • Time-to-result
  • Cost of laboratory materials
  • Medical waste
  • Risk of exposure or contamination

Articles and Research Papers

Practical Bench Comparison of BBL CHROMagar Orientation and Standard Two-Plate Media for Urine Culture
John Merlino, Steven Siarakas, Graham Robertson, Glenn Funnell, Thomas Gottlieb, and Ross Bradbury
J Clin Microbiol; 34. Read Paper

Evaluation of Use of a New Chromogenic Agar in Detection of Urinary Tract Pathogens
Z. Samra,M. Heifetz, J. Talmore, E. Bain, and J. Bahar
JOCM Vol 36, No 4 Read Paper

Evaluation of CHROMagar Orientation for Differentiation and Presumptive Identification of Gram-Negative Bacilli and Enterococcus Species
Z. Samra,M. Heifetz, J. Talmore, E. Bain, and J. Bahar
J Clin Microbiol; 34. Read Paper

A Study on Evaluation of Different Culture Media for the Isolation of Routine Urinary Pathogens
Biji, S. Manjusree, O. Sasikumari and J.T. Ramani Bai
IJCM Vol 6 No 2 Read Paper

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