FIGLU Test

**Definition:** A urine test for formiminoglutamic acid, an intermediate metabolite in L-histidine catabolism in the conversion of L-histidine to L-glutamic acid. It may be an indicator of vitamin B12 or folic acid deficiency or liver disease.

**Tree numbers:** - E01.370.225.625.300 - E05.200.625.300

**Synonyms:** - Formiminoglutamic Acid Test