Aldosterone / Plasma Renin Direct Ratio Test
- Category
- Hormones
- Sample
- Blood sample taken from a vein in your arm
- Reports () Terms & Conditions Report time varies with time of sample collection.
- In 8 days
- Fasting
- No Fasting
- Age
- 5+ Years
What Is This Test?
Measures aldosterone and direct renin and calculates the aldosterone/renin ratio (ARR).
Why this test is performed?
The recommended screening test for primary aldosteronism, a treatable cause of high or difficult-to-control blood pressure.
Who should take this test?
Symptoms suggesting hormonal imbalance — weight change, fatigue, BP changes, growth problems — usually as advised by a doctor.
Test Preparation
No fasting needed.
What's included 3 parameters
Aldosterone/Renin Ratio (1)
- Aldosterone/Renin Ratio
Renin (1)
- Renin
Aldosterone (1)
- Aldosterone
Medical disclaimer · for information only, not medical advice
This article is for general information and education only. It is not medical advice, does not create a doctor–patient relationship, and is not a substitute for consultation with a qualified doctor who has assessed your individual situation. Never delay seeking medical advice because of something you have read here.
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- Report time: In 8 days
- No fasting
- Report time: In 5 days
- No fasting
- Report time: In 2 days
- No fasting
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Frequently asked questions
It suggests the adrenal glands may be making too much aldosterone; confirmatory tests are usually needed.
No fasting is needed. You can eat and drink normally unless your doctor has advised otherwise.
Blood sample taken from a vein in your arm.
Usually within 6–7 days after the sample reaches the lab. You will receive the report online.
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