What is the role of lab tests in the workup of Acinetobacter infection?

Updated: Mar 02, 2021
  • Author: Shirin A Mazumder, MD, FIDSA; Chief Editor: Michael Stuart Bronze, MD  more...
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A CBC count is nonspecific, and leukocytosis, even with a left shift, cannot be used to differentiate infection from noninfection or bacterial infection from nonbacterial infection. The CBC count cannot be used to differentiate infection from colonization.

Culture of the appropriate body fluid that is properly transported, plated, and incubated grows A baumannii.

Recovery of the organism from a nonsterile body site (eg, endotracheal secretions, urine in patients with a Foley catheter) does not indicate or imply an infectious pathogenic role.

In outbreaks, Acinetobacter is easily cultured from monitoring devices or biological fluids from multiple patients as part of an epidemiological investigation.

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