Campylobacteriosis laboratory findings

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Overview

Laboratory tests for Campylobacteriosis include gram stain of stool and stool culture along with other blood test.

Laboratory Findings

Campylobacter organisms can be detected on gram stain of stool with high specificity and a sensitivity of ~60%, but are most often diagnosed by stool culture. Fecal leukocytes are present and indicate an inflammatory diarrhea.

Laboratory characteristics

Characteristic	Result
Growth at 25 °C	–
Growth at 35-37 °C	–
Growth at 42 °C	+
Nitrate reduction	+
Catalase test	+
Oxidase test	+
Growth on MacConkey agar	+
Motility (wet mount)	+
Glucose utilization	–
Hippurate hydrolysis	+
Resistance to naladixic acid	–
Resistance to cephalothin	+

References

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