Citric acid urine test:

The citric acid test measures citric acid in urine and is used to diagnose renal tubular acidosis and evaluate renal stone disease.
- Reviewed last on: 10/15/2007
- Frank A. Greco, M.D., Ph.D., Director, Biophysical Laboratory, The Lahey Clinic, Burlington, MA. Review provided by VeriMed Healthcare Network.