The entity denotes source-defined surveillance reports of organisms producing extended-spectrum beta-lactamases or AmpC, in which infection and colonization may not be distinguishable [1]. It establishes a non-additive classification boundary and does not by itself supply clinical, epidemiological, exposure, or prevention claims [1].
Disease overview
Bacterial Evidence-backed information EN 1/6 applicable sections · ZH 1/6 applicable sections Updated Oct 23, 2026
ESBL/AmpC-producing organism surveillance is a source-defined classification scope concerning reported organisms that produce extended-spectrum beta-lactamases or AmpC, without separating infection from colonization [1]. A separate meta-analysis of Klebsiella pneumoniae bacteremia found that ESBL-producing and carbapenem-resistant strains were linked to elevated mortality, though this concerns bacteremia outcomes rather than the surveillance classification itself [2].
Read the full clinical and epidemiological profile 2
- 1 GlobalID Disease Ontology. GlobalID ontology concept D237: ESBL/AmpC-producing organism surveillance [Internet]. cited 23 Oct 2026. Available from: https://github.com/xmusphlkg/globalID2/blob/development/configs/disease_ontology.json
- 2 Li D et al. Klebsiella pneumoniae bacteremia mortality: a systematic review and meta-analysis. Front Cell Infect Microbiol. 2023. PMID: 37153146. doi: 10.3389/fcimb.2023.1157010. PubMed: https://pubmed.ncbi.nlm.nih.gov/37153146/
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