Aldosterone, Serum  ng/dL  (SI:  0.0277 x ng/dL = nmol/L)
Performed at Mayo Medical Labs, Rochester MN
Effective 23Aug07 - present:  
> or = 11 years:         <=  21 (a.m. peripheral vein specimen)
upright 1-10 years:    3.5 - 124
supine 1-10 years:       3 - 39.5
1-11 months:            6.5 - 86
0-30 days:              16.5 - 154

Effective 30May06 - 22Aug07:  
> or = 11 years:        1 - 21 (a.m. peripheral vein specimen)
upright 1-10 years:    3.5 - 124
supine 1-10 years:    3 - 39.5
1-11 months:            6.5 - 86
0-30 days:               16.5 - 154

Performed at National Institutes of Health, Bethesda MD
Effective 28Feb05 - 29May06:
8 - 10 AM upright/sitting  3 - 34 ng/dL
8 - 10 AM supine            2 - 19 ng/dL

Performed at Mayo Medical Labs,  Rochester  MN
Effective 19Sep94 - 27Feb05:
Upright 0D-30D:                 16.5 - 154  
Supine 1M-11M:                  6.5 - 86    
Supine 1Y-10Y:                   3.0 - 39.5  
Upright 1Y-10Y:                   3.5 - 124  
AM peripheral vein >=11Y    1.0 - 21.0  

Performed at SmithKline Beecham, Van Nuys CA
Effective 20May91 - 18Sep94:
(Normal Na Intake 100-200 mmol/d)
Upright:                          4 - 31  
Supine:                             <16  

Effective 01Dec87 - 19May91:  
(Na Intake 10 mmol/d)
7AM Fasting, Recumbent:   12 – 36
9AM, Fasting, Upright:         17 – 137  
(Na Intake 100-200 mEq/d)
7AM Fasting, Recumbent:     3 – 9      
9AM Fasting, Upright:           4 – 30
Adrenal vein:                     200 – 400