In patients with enteric risk factors for hyperoxaluria and kidney disease without a clear cause or in those with confirmed calcium oxalate deposition on kidney biopsy (even in the absence of history of kidney stones), I check 24-hour urine supersaturation. The data helps guide treatment approach to...

I have used stone risk urine profiles in patients with calcium handling disorders, as well as sodium or potassium disorders, to identify dietary factors (excess or inadequate intake). They can be useful in any patient with concerns for dietary adequacy or maladsorption.