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Results Line and Enquiries

0203 313 5353

Cross infection screen

Category Microbiology >> Microbiology
Clinicial Indications

To screen for the following organisms:

multi-drug resistant coliforms
multi-drug resistant Acinetobacter baumanni
vancomycin-resistant enterococci (VRE)
carbapenemase-producing Enterobacteriaceae (CPE)

Sample & container required Swabs in Amies transport medium
Transport storage Transport to the laboratory on the day of collection or refrigerate overnight
Turnaround time 3 days
  • Samples may be referred to Public Health England for further investigation.
  • The OKN test used to detect carbapenemase-producing Enterobacteriaceae test is qualitative and cannot predict the quantity of antigens present in the sample. Clinical presentation and other test results must be taken into consideration to establish diagnosis.
  • A positive test does not rule out the possibility that other antibiotic resistance mechanisms may be present. (The test is able to detect OXA-48, KPC,NDM only). 
  • The laboratory is not currently accredited for the OKN test due to a change in platform.
  • The laboratory is also not currently accredited for detection by PCR  of  Detection of Carbapenem Resistant organisms due to a change in platform.
  • Please see the accreditation page on this website for further information
  • Carbapenamase PCR Test results available on separate Accession number.