Integrated multiplex PCR tests for identifying gastrointestinal pathogens in people with suspected gastroenteritis (xTAG Gastrointestinal Pathogen Panel, FilmArray GI Panel and Faecal Pathogens B assay)

July 2022: The guidance has been withdrawn because PCR tests now form part of standard care. Since the diagnostics guidance was published, expert advice suggests that clinical practice has moved on; PCR testing using a centralised approach is widely available in the NHS and adoption is growing. The UK standards for Microbiology Investigation also provide additional support for the PCR-based diagnostic tests.