If we leave stool samples out at room temperature, does the result of Calprotectin assay decrease or increase?

samples out at room temperature, does the result of Calprotectin assay decrease or increase?

Calprotectin is stable in stool samples at room temperature for 7 days, according to literature (attached). A longer storage would lead to degradation of calprotectin and thus to lower results.

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As in all diagnostic testing, the diagnosis is made by the physican based on both test results and the patient history.