pH, Stool
Also known as: Fecal pH, Stool pH
Use
Detect carbohydrate and fat malabsorption; evaluate small intestinal disaccharidase deficiencies
Special Instructions
Patients should avoid barium procedures and laxatives for one week prior to the specimen collection. The stool sample should be collected fresh and placed in a clean container to ensure accurate testing.
Limitations
This test was developed and its performance characteristics determined by LabCorp. It has not been cleared or approved by the Food and Drug Administration, which may impact its acceptance in certain clinical settings. Stool pH levels can be influenced by diet and medication, such as antibiotics, potentially affecting the test results. Interpretation of results should consider possible interference and patient history, including dietary factors that might alter normal pH levels.
Methodology
Other
Biomarkers
LOINC Codes
- 2755-7
- 2755-7
Result Turnaround Time
3-5 days
Related Documents
For more information, please review the documents below
Specimen
Stool
Volume
1 g
Minimum Volume
0.5 g
Container
Clean container
Patient Preparation
Barium procedures and laxatives should be avoided for one week prior to collection of the specimen.
Storage Instructions
Room temperature
Causes for Rejection
Specimen contaminated with urine; specimen on outside of container
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 14 days |
| Refrigerated | 14 days |
| Frozen | 14 days |