Carbapenemase-producing Gram-negative bacteria enhanced surveillance: ERS user guide

Guidance for NHS trusts and microbiology labs taking part in the national enhanced surveillance of carbapenemase-producing Gram-negative bacteria.


Enhanced surveillance of carbapenemase-producing Gram-negative bacteria electronic reporting system: NHS trust and microbiology laboratory user guide

This file may not be suitable for users of assistive technology. Request an accessible format.

If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email Please tell us what format you need. It will help us if you say what assistive technology you use.


This electronic reporting system (ERS) user guide describes:

  • which isolates should be referred for full characterisation
  • how NHS trust users and microbiology laboratory users register for the ERS
  • how microbiology laboratory users make a request via the ERS
  • how microbiology laboratory users access and manage test results
  • how and when enhanced surveillance data should be provided
Published 5 May 2015
Last updated 12 July 2016 + show all updates
  1. Updated to reflect changes following a system upgrade on 11 July 2016.
  2. First published.