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Stool Tests: Normal Values

By Frank H. Wians, Jr., PhD, Professor of Pathology (Retired), Department of Pathology, The University of Texas Southwestern Medical Center at Dallas

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Normal Laboratory Values: Stool

Test	Conventional Units	SI Units
Fat	< 5 g/day in patients on a 100-g fat diet	—
Nitrogen	< 2 g/day	—
Urobilinogen	40–280 mg/24 h	68–473 mg/24 h
Weight	< 200 g/day	—

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Table 1

Normal Laboratory Values: Stool

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CSF Tests: Normal Values Other Tests: Normal Values

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