Calcium, Urine is a topic covered in the Davis's Lab & Diagnostic Tests.

To view the entire topic, please or purchase a subscription.

Davis’s Laboratory and Diagnostic Tests Online, powered by Unbound Medicine, provides nurses and students access to 400+ test monographs containing reference ranges, indications, patient preparation and result interpretation. Explore these free sample topics:


-- The first section of this topic is shown below --



Common Use:
To indicate sufficiency of dietary calcium intake and rate of absorption. Urine calcium levels are also used to assess bone resorption, kidney stones, and renal loss of calcium.

Urine from an unpreserved random or timed specimen collected in a clean plastic collection container.

Normal Findings:
(Method: Spectrophotometry)

AgeConventional Units*SI Units (Conventional Units × 0.025)*
Infant and childUp to 6 mg/kg per 24 hrUp to 0.15 mmol/kg per 24 hr
Adult on average diet100–300 mg/24 hr2.5–7.5 mmol/24 hr
*Values depend on diet.

-- To view the remaining sections of this topic, please or purchase a subscription --