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Aldosterone, Blood

Test Name

Aldosterone, Blood

Gold Tube Specimen Type / Requirements

Container Type = 1 Gold Top (SST)

Minimum Volume = 2mL Serum

Tube must fill to at least ½ or greater of its vacuum capacity

EDTA Plasma acceptable as well

Specimen Handling

Collection Instructions: Collect SA. Specify site of specimen i.e. peripheral vein, adrenal, etc. State whether the patient was supine or upright when the blood was drawn. Patient must be seated or standing for at least 2h. Low body sodium and erect posture cause elevation. Write your initials, date and time of collection on the collection label or requisition.

Special Instructions: Serum free from hemolysis collected with or without gel separator. Separate serum from cells within 2 hours of collection. Repeated freezing and thawing of samples should be avoided

Rejection Criteria: Highly lipemic or hemolyzed samples, Unlabeled or Not Sufficient Quantity Samples will be rejected.

Stability: Aldosterone is Stable 1-2 days at 2-8°C and up to 4 months frozen at -20C.

Transportation: Send sample to core lab as soon as possible.

Required Documentation

Turnaround Time (TAT)

10 days

Test Utilization

Reference Value


0 – 6 days pmol/L

7 – 29 days pmol/L

1 – 12 months pmol/L

1 – 9 years pmol/L

10+ years pmol/L



0 - 9 years: 80 - 2200 pmol/L

10+ years: 70 - 660 pmol/L

Saline Suppression Test: < 140 pmol/L

Test Code




Testing Location


Other Information

Last Updated: August 26, 2020