Campylobacteriosis laboratory findings

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

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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