Urinary Calculi

**Definition:** Low-density crystals or stones in any part of the URINARY TRACT. Their chemical compositions often include CALCIUM OXALATE, magnesium ammonium phosphate (struvite), CYSTINE, or URIC ACID.

**Tree numbers:** - C12.050.351.968.967.500 - C12.200.777.967.500 - C12.950.967.500 - C23.300.175.850

**Synonyms:** - Urinary Stones - Urinary Tract Stones