Detect bacterial pathogenic organisms in the stool; diagnose typhoid fever, enteric fever, bacillary dysentery, Salmonella infection.Indications for stool culture include:1? Bloody diarrhea? Fever? Tenesmus? Severe or persistent symptoms? Recent travel to a third world country? Known exposure to a bacterial agent? Presence of fecal leukocytesCulture; isolation and identification (at an additional charge) of Salmonella, Shigella, and Campylobacter, and detection of enterohemorrhagic E coli (EHEC) Shiga toxin by EIA. If culture results warrant, susceptibility testing (additional charges/CPT code[s] may apply) may be performed.