Aldosterone, 24-Hour Urine QALD24

Method(s) Hydrolysis, Extraction, Liquid Chromatography/Tandem Mass Spectrometry (LC/MS/MS)
Components Creatinine
Specimen Required
Collect

24-hour urine.

Transport

5 mL 24-hour urine collected in a 24-hour urine container (Min: 0.5 mL)

Also acceptable

24-hour urine collected in a 10 g boric acid container or random urine (reference ranges do not apply) collected in a no preservative container.

Stability

Ambient: 7 days

Refrigerated: 28 days

Frozen: 21 days

Unacceptable Conditions

Urine collected with HCI

Schedule Sun, Tue
CPTCode 82088, 82570
Notes Performing Laboratory-Quest Diagnostics Nichols Institute-San Juan Capistrano, CA
Preferred Specimen Collection Device(s)
Reference Interval
 
Aldosterone, 24-Hour Urine 
Random Sodium Diet 
Agemcg/24 hours
2-7 years5.7 or less
8-11 years10.2 or less
12-16 years15.6 or less
Adults2.3-21.0

Oral sodium loading test (high salt diet for 3 days): 12 mcg/24 hrs or less*

*Funder JW, Carey RM, Mantero F, et al. The management of Primary Aldosteronism: Case Detection, Diagnosis, and Treatment: An Endocrine Society Clinical Practice Guideline. J Clin Endocrinol Metab. 2016; 101:1889-1916

 
Creatinine, 24-Hour Urine 
Less than 3 YearsNot established
3-8 Years0.10-0.80 g/24 h
9-12 Years0.20-1.40 g/24 h
13-17 Years0.40-1.90 g/24 h
Greater than 17 Years0.50-2.15 g/24 h
No Appointment Necessary
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12 Patient Service Centers in Central New York.

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