Gastrointestinal bacteria culture referral form

Form L4 for identification of bacillus, C. botulinum, C. perfringens, C. tetani, campylobacter, E. coli, helicobacter, listeria, salmonella, shigella, vibrio and yersinia.


Gastrointestinal bacteria culture referral form (L4)

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.


Send completed forms with samples to:

Bacteriology reference department (BRD)

UK Health Security Agency
61 Colindale Avenue

Telephone 020 8327 7887 (staffed from 9am to 5pm, Monday to Friday)

DX address UKHSA Colindale Bacteriology, DX 6530002

Specimen submission guidelines is available from the BRD user manual.

Published 28 July 2014
Last updated 26 August 2022 + show all updates
  1. Updated Gastrointestinal bacteria culture referral form (L4).

  2. Updated form.

  3. Updated version.

  4. First published.