ALDOSTERONE, 24 HR URINE

​Performing Laboratory:  Mayo Clinic Laboratories, Rochester

​24 hr urine in 25 mL 50% Glacial Acetic Acid

For <5 years old: 24 hr urine in 15 mL 50% Glacial Acetic Acid

Minimum aliquot volume : 10 mL urine

Total 24-hour urine volume must be clearly indicated.

​Liquid Chromatography - Tandem Mass Spectrometry (LC-MS/MS)

Mayo Clinic LaboratorIes Reference Interval:

0-30 days: 0.7-11.0 ug/24 hours*
31 days-11 months: 0.7-22.0 ug/24 hours*
≥1 year: 2.0-20.0 ug/24 hours
 
*Reference: Loeuille GA, Racadot A, Vasseur P, Vandewalle B: Blood and urinary aldosterone levels in normal neonates, infants and children. Pediatrie 1981;36:335-344

​Up to 12 working days

This test is sent out to Mayo Clinic Laboratories.
Mayo Clinic Aldosterone, 24 Hour Urine
Patient preparation: Spironolactone (Aldactone) should be discontinued for 4 to 6 weeks before testing.