Stool pH

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