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To assist in evaluating calcium and phosphorus levels related to use of diuretics in progression of kidney disease.
Urine from an unpreserved random or timed specimen collected in a clean plastic collection container.
(Method: Spectrophotometry) Reference values are dependent on phosphorus and calcium intake. Phosphate excretion exhibits diurnal variation and is significantly higher at night.
|Conventional Units||SI Units (Conventional Units × 0.0323)|
|400–1,300 mg/24 hr||12.9–42 mmol/24 hr|