STOOL TEST: NORMAL LAB VALUES

STOOL TEST

Reference values vary based on several factors, including the specific laboratory that supplies them. A patient’s stool test values should be interpreted based on the reference value of the laboratory in which the test was done; the laboratory typically provides these values with the test result. These values are listed in alphabetical order in the following table.

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 mcmol/24 h
Weight < 200 g/day

***Test values are method dependent

***Test values vary with age

***Test values are diet-dependent

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