# Commission Implementing Decision (EU) 2018/945 of 22 June 2018 on the communicable diseases and related special health issues to be covered by epidemiological surveillance as well as relevant case definitions (Text with EEA relevance), Division: SST-ST: Soft tissue (necrotizing fascitis, infectious gangrene, necrotizing cellulitis, infectious myositis, lymphadenitis, or lymphangitis)

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

Soft tissue infections must meet at least 1 of the following criteria:
Patient has organisms cultured from tissue or drainage from affected site
Patient has purulent drainage at affected site
Patient has an abscess or other evidence of infection seen during a surgical operation or histopathologic examination
Patient has at least 2 of the following signs or symptoms at the affected site with no other recognized cause: localized pain or tenderness, redness, swelling, or heat
AND at least 1 of the following:
organisms cultured from blood
positive antigen test performed on blood or urine (for example, Haemophilus influenzae, Streptococcus pneumoniae, Neisseria meningitidis, Group B Streptococcus, Candida spp.)
diagnostic single antibody titre (IgM) or 4-fold increase in paired sera (IgG) for pathogen

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Source: https://www.legislation.gov.uk/eudn/2018/945/annex/II/division/4/division/4.1/division/4.1.13/division/2 (the official version)
Page: https://openlegislation.uk/eu-decision-2018-945/annex-II/division-4/division-4.1/division-4.1.13/division-2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.