ALDOSTERONE, BLOOD

Methodology: Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)

 

Test Performed At:

 

 

Mayo Medical Laboratories   #8557

 

Specimen Required:

 

 

Collect 3.0 mL (minimum 1.5 mL) of whole blood in a plain, red-top tube(s) or serum gel tube(s).

 

 

CAUTION:

 Late p.m. levels can be up to 30% lower than early a.m. levels. Supine values are on average 50% lower than upright collections.

 

Laboratory Notes:

 

 

Spin, separate into conical tube and freeze immediately at -20 C. Send 1.2 mL (minimum 0.6 mL) of serum frozen.

 

Reference Values:

 

 

 0-30 days:

17-154 ng/dL

 

 

1-12 months:

6.5-86 ng/dL

 

 

1-10 years (supine):

< or = 40 ng/dL

 

 

1-10 years (upright):

< or = 124 ng/dL

 

 

> or = 11 years:

< or = 21 ng/dL (a.m. peripheral vein specimen)

 

 

Reference range based on upright a.m. collection from subjects on ad lib sodium intake.

 

 

 

 

 

Loeuille GA, Racadot A, Vasseur P, Vandewalle B: Blood and urinary aldosterone levels in normal neonates, infants and children. Pediatrie 1981;36:335-344

 

Day(s) Test Set Up:

 

 

Monday-Friday; 1000 am

 

Cut-Off Time:

 

 

 

 

Turn Around Time:

 

 

3-6 days

 

CPT Code:

 

 

82088

 

 KIDDOS Order Name:

 

 

Aldosterone

 

Cerner Order Name:

 

 

Aldosterone

 

Last Updated 08/08

Last Reviewed 12/09