CORE-ABR
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Pathogen

Enterococcus species

Gram-positive cocci common in urinary and wound specimens. Many panels detect E. faecalis and E. faecium in one pooled well; the report states that limitation.

Also: Enterococcus faecalis, Enterococcus faecium, VRE

Gram-positive bacteriaUTI panelWound panelGraded on the antibiogram

How CORE-ABR grades it

Intrinsic resistance applied: all cephalosporins, clindamycin and low-level aminoglycosides; TMP-SMX is not relied on clinically. Because E. faecium is frequently ampicillin-resistant and the species are pooled, ampicillin is graded with that uncertainty. vanA / vanB removes vancomycin.

What the report shows for Enterococcus species

  • Detected or not detected, with Ct, limit of detection and cycles above LOD — see PCR reporting.
  • A short pathogen summary, including colonizer likelihood where it applies.
  • A graded column on the antibiogram, and therapy options by scenario on the P.A.C.T. report.
  • When not detected, it is still listed among targets tested.

Resistance genes CORE-ABR applies

When detected, each of these genes is applied to Enterococcus species only for the agents its mechanism defeats.

vanA / vanBVancomycin resistance (VRE)1 organisms on paneltetB / tetMTetracycline resistance9 organisms on panelermB / ermCMLSb resistance7 organisms on panel

Tagged

Decision support only. The treating clinician decides. Molecular genotype does not replace phenotypic susceptibility testing, culture, or public-health reporting. Absence of a detected resistance gene does not establish susceptibility. Organism targets vary by panel; CORE-ABR is configured to the assay each laboratory runs.