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Test Code 703 Calcium, Urine, Random

Additional Codes


PowerChart: Calcium Random Urine

Epic: LAB371 Calcium, Urine, Random

MA Cerner: Urine Calcium Level.

Test Method

UCL: Ion-Specific Electrode; Beckman DXC600/DXC880i

MA: Bichromatic Endpoint; Siemens Xpand

Specimen Requirement

0.5 mL urine is required.

Additional Specimen Collection Information

Collect a random urine specimen.  Label the specimen appropriately with two identifiers, patient name and another identifier, (patient ID number, DOB, etc.) include date and time of collection. Store the urine specimen refrigerated and transport to the lab within 48 hours.


Testing is performed Monday through Sunday.

Typically assayed within 2 hours after the specimen arrives at the testing site.

Reference Values

Reference values are not established. Results are subject to interpretation by the clinician.

CPT Code Information

82340 Chemistry: Calcium, urine quantitative, timed specimen

Useful For

Identification of abnormal physiologic states causing excess or suppressed excretion of calcium (such as hyperparathyroidism), vitamin D abnormality, diseases that destroy bone, prostate cancer, and drug treatment (such as thiazide therapy).

LOINC Code Information

17862-4 Calcium [Mass/Volume] In Urine