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Lab Test

Aldosterone - Serum

Aldosterone is a hormone produced by the adrenal glands located at the top of the kidneys. It plays a critical role in maintaining the body's balance of salt and water, which in turn regulates blood pressure. When the body experiences low sodium levels or high potassium levels, or when there's a decrease in blood volume or blood pressure, aldosterone production is triggered.

The Aldosterone Serum Test measures the level of aldosterone in the blood, helping to detect overproduction or underproduction of this hormone. Too much aldosterone can cause the body to retain sodium and lose potassium, leading to high blood pressure and low blood potassium levels. On the other hand, too little aldosterone can result in low blood pressure, overproduction of urine, dehydration, and high blood potassium levels.

  • Profile Name: Aldosterone - Serum
  • Sample Type: Serum
  • Preparations Required: Patients should fast for at least 8 hours before the test. The patient should avoid stress, exercise, and consumption of alcohol, tobacco, caffeine, and licorice before the test
  • Report Time: 24 hours
What is the Aldosterone Serum Test?

The Aldosterone Serum Test is a blood test that measures the level of the hormone aldosterone in your blood.

Why is this test done?

This test is typically done to check for adrenal gland disorders and to help determine the cause of high blood pressure.

Home Sample Collection Process

1
Book your convenient slot
Book your convenient slot
2
Sample Collection by Phlebotomist
Sample Collection by Phlebotomist
3
Reporting of the sample at lab
Reporting of the sample at lab
4
Download Reports
Download Reports
Frequently Asked Questions

You should maintain your usual dietary salt intake for two weeks prior to the test, fast overnight, and avoid diuretics for at least six hours before the test.

Your doctor may order this test if you have signs or symptoms of excessive aldosterone such as high blood pressure, muscle weakness, or low potassium levels.

This test measures the levels of aldosterone and renin in your blood and then calculates their ratio.

Normal results vary widely, and ratios above 20 to 30 are usually indicative of primary aldosteronism.

Medications, including certain blood pressure medicines, diuretics, steroids, and oral contraceptives, can affect the test results. Stress and diet can also impact the results.

An elevated aldosterone/renin ratio suggests that you may have primary aldosteronism. However, further tests are often needed to confirm the diagnosis and determine the cause.

An endocrinologist can help interpret abnormal test results and guide you on next steps.

You should maintain your usual dietary salt intake, fast overnight, and avoid taking diuretics for at least six hours prior to the test.

Modifiable factors include diet, particularly salt intake, and medication use. Nonmodifiable factors include certain medical conditions, such as adrenal gland disorders.

The frequency of this test depends on your health conditions and your doctor's recommendations.

Yes, certain medications such as birth control pills, blood pressure medicines, and some types of diuretics can affect the result of this test.

You may feel a small prick from the needle during the blood draw, but overall the test involves minimal pain.

You should fast overnight before the test.

A thorough understanding of the Aldosterone Serum Test can help you make better decisions about your health. This test measures the amount of aldosterone in your blood to help determine whether your adrenal glands are functioning properly. Abnormal levels of aldosterone can indicate various health conditions, including adrenal disorders and high or low blood pressure. By taking this test, you can provide your doctor with the information they need to make a precise diagnosis and to design an appropriate treatment plan. Remember to consult your doctor before the test to understand all instructions and potential implications of the test results. Your health is your most precious asset. Take the right steps to protect it.

ALDOSTERONE, SERUM
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