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Test Code 703 Calcium, Urine, Random

Additional Codes


PowerChart: Calcium Random Urine

MA Cerner: Urine Calcium Level

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.

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).


Testing is performed Monday through Sunday.

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

CPT Code Information

82340 Chemistry: Calcium, urine quantitative, timed specimen

LOINC Code Information

17862-4 Calcium [Mass/Volume] In Urine

Test Method

MercyOne: Ion-Specific Electrode; Beckman DXC880i

MA: Enzymatic Endpoint Method; Roche Cobas 6000

Reference Values

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