Aldosterone, Urine
Ordering Recommendation
Quantitative Radioimmunoassay
Tue, Thu, Sat
2-5 days  
New York DOH Approval Status
This test is New York DOH approved.
Submit With Order
Specimen Required
Patient Preparation
24-hour urine. Urine must be refrigerated during collection.  
Specimen Preparation
Add 1 g boric acid per 100 mL urine. Transfer 4 mL aliquot of urine from a 24-hour collection to an ARUP Standard Transport Tube. (Min: 0.5 mL) Record total volume and collection time interval on transport tube and test request form. Also acceptable: Preserved urine if the pH of the specimen is adjusted to 2-4 with 6M HCl or 50 percent acetic acid or unpreserved urine if frozen immediately after collection.  
Storage/Transport Temperature
Frozen. Also acceptable: Refrigerated, if preserved with HCl or acetic acid.  
Unacceptable Conditions
Ambient: 2 hours; Refrigerated (with preservative): 1 week; Frozen: 1 month  
Reference Interval
Effective February 19, 2013
Test Number Components Reference Interval
 Aldosterone, UrineNormal diet: 6-​25 µg/d
Low salt diet: 17-​44 µg/d
High salt diet: 0-​6 µg/d

Normal urine values of aldosterone are dependent on sodium intake.

Normal sodium intake: 100-​200 mEq
Low sodium intake: < 25 mEq
High sodium intake: > 200 mEq
 Creatinine, Urine -​ per 24h  
Age Male Female
3-​8 years 140-​700 mg/d 140-​700 mg/d
9-​12 years 300-​1300 mg/d 300-​1300 mg/d
13-​17 years 500-​2300 mg/d 400-​1600 mg/d
18-​50 years 1000-​2500 mg/d 700-​1600 mg/d
51-​80 years 800-​2100 mg/d 500-​1400 mg/d
81 years and older 600-​2000 mg/d 400-​1300 mg/d
Interpretive Data
CPT Code(s)
Component Test Code*Component Chart Name
0020207Creatinine, Urine - per volume
0020208Creatinine, Urine - per 24h
0097110Total Volume
0097111Hours Collected
0099020Aldosterone, Urine
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
  • 24 hr aldosterone
  • urine aldosterone