Kidney Calculi

**Definition:** Stones in the KIDNEY, usually formed in the urine-collecting area of the kidney (KIDNEY PELVIS). Their sizes vary and most contains CALCIUM OXALATE.

**Tree numbers:** - C12.050.351.968.419.600.500 - C12.050.351.968.967.249.500 - C12.050.351.968.967.500.503 - C12.200.777.419.600.500 - C12.200.777.967.249.500 - C12.200.777.967.500.503 - C12.950.419.600.500 - C12.950.967.249.500 - C12.950.967.500.503 - C23.300.175.850.550

**Synonyms:** - Kidney Stones - Renal Calculi - Renal Calculus - Nephrolith