Description

Cystinuria is an inborn error of metabolism(autosomal recessive disease) resulting from poor absorption and reabsorption of the amino acid cystine in the intestines and kidneys. This results in the production of kidney stones (urolithiasis)

Pre-Information

Clinical history, suspicion of metabolic diseases or inborn errors of metabolism, fasting recommendation but not requirement, and preliminary diagnosis of the clinician are all necessary. According to doctor's advice, amino acid supplements or drugs need