Point-of-Care Testing, Fecal pH Measurement
Synonyms
Fecal pH Measurement; Measurement of Fecal pH; POCT, Fecal pH Measurement; Stool pH
Test Includes
Fecal pH only
Laboratory
Point-of-Care Testing
Request Form
Provider's Order
Phone
(212) 305-9291
Availability
Operating hours at Point-of-Care
Turnaround Time
2 minutes
Specimen
Watery stool
Volume
1 mL
Minimum Volume
0.5 mL
Container
Clean bowl, tube, etc
Storage Instructions
Test immediately.
Patient Preparation
Patient must not be receiving antibiotics.
Reference Range
Expected normal: variable, usually alkaline; disaccharidase deficiency or therapy with lactulose: pH <5.5%
Use
Evaluate patients with protracted diarrhea; monitor lactulose therapy
Methodology
Colorimetry using nitrazine paper
