# Commission Implementing Decision of 8 August 2012 amending Decision 2002/253/EC laying down case definitions for reporting communicable diseases to the Community network under Decision No 2119/98/EC of the European Parliament and of the Council (notified under document C(2012) 5538) (Text with EEA relevance) (2012/506/EU), Division: GI-GE: Gastroenteritis (excl. CDI)

Extent: E+W+S+N.I.

Gastroenteritis must meet at least one of the following criteria:
Patient has an acute onset of diarrhoea (liquid stools for more than 12 hours) with or without vomiting or fever (> 38 °C) and no likely non-infectious cause (e.g. diagnostic tests, therapeutic regimen other than antimicrobial agents, acute exacerbation of a chronic condition, or psychological stress)
Patient has at least two of the following signs or symptoms with no other recognised cause: nausea, vomiting, abdominal pain, fever (> 38 °C), or headache
AND at least one of the following:
an enteric pathogen is cultured from stool or rectal swab
an enteric pathogen is detected by routine or electron microscopy
an enteric pathogen is detected by antigen or antibody assay on blood or faeces
evidence of an enteric pathogen is detected by cytopathic changes in tissue culture (toxin assay)
diagnostic single antibody titer (IgM) or four-fold increase in paired sera (IgG) for pathogen

---
Source: https://www.legislation.gov.uk/eudn/2012/506/annex/division/3/division/3.1/division/3.1.7/division/2 (the official version)
Page: https://openlegislation.uk/eu-decision-2012-506/annex/division-3/division-3.1/division-3.1.7/division-2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.