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For health professionals : Refer a patient : Laboratory Services : Test Table : pH STOOL

pH STOOL

Mnemonic

FE PH

Synonym

Fecal pH

Specimen Collection Requirements

Collect

Fresh stool in sterile container

Preferred Volume

1.0 gram or walnut size

Minimum Volume

0.5 gram

Transport

Refrigerated

Rejection Criteria

Insufficient quantity, specimen exceeding stability limits

Stability

Room temperature: 4 hours; Refrigerated: 24 hours (preferred storage); Frozen: 1 week

Testing Information

Performed

7 days/week

Reported

24 hours

Method

pH paper

Reference Values

Reference Values

ADULTS:    7.0-7.5
INFANT Breast-Fed:    Slightly acid
INFANT Bottle-Fed:     Neutral or slightly alkaline

CPT Codes

83986

Last Updated: Thursday, March 14, 2019 12:51:00 PM

Client Services: 503-413-1234