| Synonyms:
| None listed |
| Specimen: | Stool: 5 grams or 5 mL fresh specimen in a clean leak-proof container.
Preserved specimens are unacceptable. |
| Volume: | 5 gm or 5 mL |
| Minimum Volume: | 0.5 gm or 0.5 mL |
| Collection: | Transport to the laboratory within 2 hours of collection if kept at room temperature.
Refrigerate at 2-8° C if greater than 2 hours.
|
| Rejection Criteria: | Preserved stool, aged specimen, improper labeling, specimen contaminated with urine, specimen on outside of container. |
| Reference Range: | Actual pH reported |
| Methodology: | Nitrazine (pH) paper |
| Test Use: | Determination of etiology of diarrhea |
| Additional Information: | Intolerance to monosaccharide and disaccharide sugar lowers stool pH, and may also result in presence of fat and reducing substances in stool |
| Testing Includes: | |
| Testing Facility: | LabCorp |