Stool Culture Preserved

Brief Description

Isolation of Staphylococcus aureus by culture or routine pathogens Salmonella, Shigella, Campylobacter, Aeromonas, STEC, and Yersinia. When positive, identification of Staphylococcus aureus is done by MALDI-TOF. When positive, identification of routine pathogen(s) is done by conventional Biochemicals, Serotyping, & Whole Genome Sequencing (WGS).

Laboratory Unit



  • Culture
  • Biochemicals
  • Serotyping
  • WGS
  • EIA

Specimen Collection

  • Preserved stool- S. aureus:
    • Diarrheal stool collected within 24 hours after onset into the Para-Pak C&S transport vial for S. aureus.
  • Preserved stool- routine:
    • Diarrheal stool collected during the acute stage of the disease, portions containing blood or mucus usually contain the highest number of pathogens for routine testing.


  • S. aureus can be maintained at room temperature (15-30°C) during transit for no more than 24 hours after collection. Special arrangement required CALL 404-327-7997.
  • Routine samples can be maintained at room temperature (15-30°C) during transit.
  • FRM-QA 4 Refrigeration Outfit Guide

Acceptable Specimen Type(s)

Preserved stool

Test Request

Possible Results

  • Positive
  • Negative
  • Unsatisfactory

Reference Range


Unacceptable Conditions

  • Missing testing requisition
  • Missing minimum of 2 patient identifiers
  • Improper labeling
  • Improper storage/transport of specimen
  • No specimen received (empty collection tube).
  • Wrong specimen type
  • Specimens damaged, broken, or leaking upon arrival
  • Specimen received after 4 days of collection (per Para-Pak C&S package insert).

Interfering Substances


Result Reported

4-6 business days


Fee schedule

LOINC/Order Codes

6579-7 (Order code: 1120)