Kidney Stone Analysis

Results

Kidney stone analysis is a test done on a kidney stone to see what chemicals are in it.

Knowing the type of kidney stone helps guide the best treatment choice. Your doctor will talk with you about treatment and prevention measures.

• About 80% of kidney stones are made of calcium oxalate, calcium phosphate, or a combination of both.
• Up to 10% of kidney stones are made of magnesium ammonium phosphate (struvite).
• About 10% of kidney stones are made of uric acid.
• Less than 1% of kidney stones are made of a chemical called cystine.

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Author:	Jan Nissl, RN, BS	Last Updated: October 25, 2006
Medical Review:	Martin Gabica, MD - Family Medicine Philip Belitsky, MD, FRCSC - Urology
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