Steatorrhea diagnostic study of choice

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Vindhya BellamKonda, M.B.B.S [2]

Overview

The 72 hr-fecal fat determination is the gold standard test for the diagnosis of steatorrhea

Among patients who present with clinical signs of steatorrhea, the acid steatocrit is the most specific and sensitive test for the diagnosis.

72 hr-fecal fat determination is the gold standard test for the diagnosis of steatorrhea
Greater than 6 gram/day of fat in stool is diagnostic of 72 hr-fecal fat determination in confirming the diagnosis of steatorrhea
Patients with steatorrhea usually have >20 gram/day