Stool pH
CATEGORY: LAB
MNEMONIC: PHSTL
LAB: WMC
DEPT: CHEM
DAYS SET: Daily
TAT: 3 hrs
CPT: 89240
SYNONYMS:
pH Stool
PREFERRED SPECIMEN:
Fresh, random stool - 0.5 gm or 0.5 mL
SPECIAL INSTRUCTIONS:
Deliver specimen to the laboratory as soon as possible after collection. Refrigerate specimen,
if delay is unavoidable.
Barium procedures and laxatives should be avoided for
1 week prior to specimen collection. Patients should not be taking oral antibiotics.
CAUSE FOR SPECIMEN REJECTION:
Stool specimens mixed with urine.
REFERENCE RANGE:
7.0 - 7.5