Calcium (Urine)

Sample: Urine 24 hrs (No preservative paedriatic samples, Boric ac.,15g in adults )

Schedule: Daily

Units: mg/24hr

Range: (See table below)

Remarks: Urine calcium excretion reflects calcium intake, rates of intestinal calcium absorption, bone resorption and renal loss. Those processes are related with parathyroid hormone and Vitamin D levels. Urine calcium is used in the assessment of parathyroid disorders, bone disease, calcium metabolism, renal stones.High urinary calcium excretion does not consistently, reliably distinguish hyperparathyroidism from other diseases.

Calcium (Urine), mg/24 hrs

< 150

Low diet

100 - 240

240 - 300 High diet

Available tests