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ALDOSTERONE, 24 HR URINE

Synonym(s):

Lab Section Category

Description

​Performing Laboratory:  Mayo Clinic Laboratories, Rochester

Indications

Specimen Required

​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.

Storage and Transport

Method

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

Test Results

Reference Interval / Value

Mayo Clinic Laboratory 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

Turnaround Time

​Up to 12 working days

Day(s) Test Set up

Remarks

​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.

Change History Notes

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