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Aldosterone, 24-Hour Urine
Test Code19552
CPT Codes
82088, 82570
Includes
Creatinine
CPT code 81050 may be added at an additional charge for volume measurement
CPT code 81050 may be added at an additional charge for volume measurement
Preferred Specimen
5 mL of a 24-hour urine collected in a 24-hour container
Minimum Volume
0.5 mL
Other Acceptable Specimens
Random Urine collected in a no preservative container • 24-hour urine collected in a 24-hour urine container w/10g Boric acid
Instructions
Record 24-hour urine volume on test requisition and urine vial. Refrigerate during and after collection.
Reference ranges do not apply to random urine samples.
Reference ranges do not apply to random urine samples.
Transport Temperature
Room temperature
Specimen Stability
Room temperature: 7 days
Refrigerated: 28 days
Frozen: 21 days
Refrigerated: 28 days
Frozen: 21 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Urine collected with HCl
Methodology
Hydrolysis • Extraction • Liquid Chromatography/Tandem Mass Spectrometry (LC/MS/MS)
FDA Status
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by the U.S. Food and Drug Administration. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.
Setup Schedule
Set up: Sun, Tues; Report available: 3-9 days
Clinical Significance
Aldosterone is a hormone produced by the adrenal glands. Patients with primary hyperaldosteronism exhibit hypokalemia, hypertension, and low direct renin concentrations.
