Fractional Excretion of Calcium

**Semantic type:** Laboratory Procedure

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

**Synonyms:** - FECA - FECa - Fractional Calcium Excretion - Fractional Calcium Excretion - Fractional Excretion of Ca