has modifier xanthinuria hereditary xanthinuria DOID:0060236 HP:0010934 Hereditary xanthinuria is a purine metabolism disorder due to inherited deficiency of the xanthine dehydrogenase/oxidase enzyme and is characterized by very low (or undetectable) concentrations of uric acid in blood and urine and very high concentration of xanthine in urine, leading to urolithiasis. ICD10:E79.8 ICD9:277.2 MONDO:0018106 OMIMPS:278300 Orphanet:3467 SCTID:54627004 classic xanthinuria hereditary xanthinuria xanthic urolithiasis xanthine dehydrogenase deficiency xanthine oxidase deficiency xanthine stone disease xanthinuria inborn disorder of purine metabolism nephropathy secondary to a storage or other metabolic disease inherited