Aldosterone 60 Minute

Casandra

Casandra Test Code AR07571Version 1 (DRAFT)

Performing Lab

Lab ARUP LaboratoriesLab Test ID 0070017CPT Code 82088

Aldosterone 60 Minute

Also known as: ALDO 60

Clinical Use

Order Test

Use

The Aldosterone 60 Minute test is used in aldosterone stimulation testing which is useful for diagnosing conditions related to the adrenal glands, such as primary aldosteronism or adrenal insufficiency. By measuring the concentration of aldosterone in the blood at specific intervals, this test helps assess the function of the adrenal glands and may guide treatment decisions for disorders related to these glands.

Special Instructions

Patient preparation involves collecting the sample midmorning after the patient has been sitting, standing, or walking for at least 2 hours and then seated for 5-15 minutes. Specific patient preparation recommendations and instructions for medications to control hypertension during confirmatory testing for primary aldosteronism are available in the additional technical information.

Limitations

Improper patient preparation, such as not following the recommended posture or timing for sample collection, may lead to inaccurate results. Medications, diet, and other health conditions that affect hydration and blood pressure may also alter aldosterone levels and affect test results. Failing to immediately separate the serum from cells or using inappropriate specimen types like EDTA plasma can lead to sample rejection or erroneous results, impacting clinical interpretation.

Test Details

FDA Approved

New York Approved

Methodology

Immunoassay (Quantitative Chemiluminescent Immunoassay)

Biomarkers

Aldosterone

Analyte

Concentration • Concentration / Level • Quantitative (Continuous) (e.g., copies/mL, % expression)

LOINC Codes

Order Codes

15345-2

Result Turnaround Time

1 day

Specimen

Serum

Volume

1 mL

Minimum Volume

0.5 mL

Container

Serum Separator Tube (SST) or Plain Red

Collection Instructions

Collect midmorning after patient has been sitting, standing or walking for at least 2 hours and seated for 5-15 minutes. Separate from cells ASAP or within 2 hours of collection. Transfer serum to an ARUP Standard Transport Tube.