Summary. 1  Uric acid stones represent 5% to 10% of stone cases. 2  Risk factors include chronic diarrhea and hyperuricosuria. 3  Some patients have both uric acid and calcium oxalate stones. 4  Uric acid stones occur in patients with a very low urine pH (<5.0), which reduces uric acid solubility.
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Contacting NBC Customer Service Center. NBC is a broadcasting network available through many cable and satellite networks. Some NBC shows are available for FREE online and others require a subscription with a television provider. There is contact information for NBC, but the information is cryptic at best.