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Test Code UCAL Calcium, Urine, Random LAB371

Test Method

Ion-Specific Electrode; Beckman DXC600

Performance

Testing is performed Monday through Sunday.

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

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).

Specimen Requirement

0.5 mL urine is required.

CPT Code Information

82340 Chemistry: Calcium, urine quantitative, timed specimen

Reference Values

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

LOINC Code Information

17862-4 Calcium [Mass/Volume] In Urine

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.