Idiopathic hypercalciuria
Definition
Idiopathic hypercalciuria is the presence of excess calcium in the urine without an identified cause after testing for common causes. This condition can lead to kidney stones, osteoporosis, or in extreme cases, kidney damage and loss of kidney function.
Alternative Names
Hypercalciuria - idiopathic
References
Bushinsky DA. Kidney stones. In: Melmed S, Auchus RJ, Goldfine AB, Rosen CJ, Kopp PA, eds. Williams Textbook of Endocrinology. 15th ed. Philadelphia, PA: Elsevier; 2025:chap 31.
Bushinsky DA. Nephrolithiasis. In: Goldman L, Cooney KA, eds. Goldman-Cecil Medicine. 27th ed. Philadelphia, PA: Elsevier; 2024:chap 111.
Weber TJ. Osteoporosis. In: Goldman L, Cooney KA, eds. Goldman-Cecil Medicine. 27th ed. Philadelphia, PA: Elsevier; 2024:chap 225.
Review Date:
7/13/2025
Reviewed By:
Laura J. Martin, MD, MPH, ABIM Board Certified in Internal Medicine and Hospice and Palliative Medicine, Atlanta, GA. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.
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