Fractional Excretion of Chloride

**Semantic type:** Laboratory Procedure

**Definition:** The determination of the fractional excretion of chloride that is computed based upon the concentrations of chloride and creatinine in both blood and urine.

**Synonyms:** - FECL - FECl - Fractional Chloride Excretion - Fractional Chloride Excretion - Fractional Excretion of Cl