Lab test · Immunology

Aldosterone / Plasma Renin Direct Ratio

The test is often recommended for individuals with unexplained or difficult-to-control Hypertension, low potassium levels, or suspected adrenal gland…
4.912,480+ patients have rated Prima
NABL-certified lab Free home collection Report in 24 hrs
ReportWithin 24 hrs
SampleBlood
CollectionHome or centre
FastingNot needed
How it works
1
Book in a minute
Add to cart, pick a date and time slot, pay online or at collection.
2
Sample collected at home or centre
A trained phlebotomist arrives in your slot with sealed, single-use kits.
3
Report on WhatsApp
Within 24 hours on WhatsApp and under My Orders.
Preparation
No special preparation needed unless your doctor advises otherwise.
About this test

The test is often recommended for individuals with unexplained or difficult-to-control Hypertension, low potassium levels, or suspected adrenal gland disorders.

ALDOSTERONE / PLASMA RENIN DIRECT RATIO TEST This is a crucial screening test for primary aldosteronism, a common cause of secondary hypertension where the adrenal glands produce excess aldosterone. The Aldosterone / Plasma Renin Direct Ratio Test is performed to:
  • Evaluate causes of persistent Hypertension

  • Detect hormonal imbalance affecting blood pressure

  • Assess adrenal gland function

  • Investigate low potassium levels in the blood

ALDOSTERONE / PLASMA RENIN DIRECT RATIO Test is Recommended for Individuals:

  • Individuals with high blood pressure that is difficult to control despite medication.
  • People diagnosed with resistant hypertension.
  • Individuals with low potassium (hypokalemia) without an obvious cause.
  • Patients suspected of having primary aldosteronism (Conn's syndrome).
  • Individuals with an adrenal gland nodule (adrenal incidentaloma) and high blood pressure.
  • People with early-onset hypertension, especially before 40 years of age.
  • Individuals with a family history of primary aldosteronism or early-onset hypertension.
  • Patients experiencing muscle weakness, cramps, fatigue, or excessive thirst related to electrolyte imbalance.
  • Individuals advised by an endocrinologist to evaluate adrenal hormone function.
  • Anyone undergoing investigation for secondary causes of hypertension.

ALDOSTERONE / PLASMA RENIN DIRECT RATIO

Test Purpose

The Aldosterone / Plasma Renin Direct Ratio Test is performed to measure the ratio between aldosterone and plasma renin levels in the blood. Primarily, it is used to screen for primary aldosteronism (Conn's syndrome), a condition that can cause high blood pressure due to excessive aldosterone production. Additionally, the test helps identify hormone-related causes of hypertension and abnormal potassium levels. Furthermore, it assists healthcare providers in evaluating adrenal gland function and distinguishing between different disorders affecting the renin-angiotensin-aldosterone system. Moreover, the results may be used to guide further diagnostic investigations and treatment planning. Overall, this test provides valuable information that supports the accurate diagnosis and management of endocrine conditions associated with hypertension.

FAQs

1. What is the Aldosterone / Plasma Renin Direct Ratio Test used for?
The test is used to evaluate the balance between aldosterone and renin levels. Additionally, it helps screen for primary aldosteronism and identify hormone-related causes of high blood pressure.

2. Do I need to prepare before the Aldosterone / Plasma Renin Direct Ratio Test?
Yes. Certain medications, dietary salt intake, and body position may affect the results. Therefore, your healthcare provider may recommend specific preparation instructions before the blood sample is collected.

3. What does a high Aldosterone / Plasma Renin Direct Ratio indicate?
A high ratio may suggest primary aldosteronism, in which excess aldosterone is produced by the adrenal glands. However, the results should always be interpreted alongside your symptoms, medical history, and additional diagnostic tests by your healthcare provider.

What patients say about Prima
4.9
12,480+ patients rated Prima Diagnostics
RK
Ramesh K.
Verified · 2 weeks ago
5.0
Quick appointment and the staff explained everything. Report came the same evening on WhatsApp.
Booked: MRI Brain
SP
Sneha P.
Verified · 1 month ago
4.5
Booking on the app was simple and pricing was clear with no hidden charges.
Booked: Full Body Checkup
AM
Anita M.
Verified · 1 week ago
5.0
Home collection was right on time and completely painless. Very professional.
Booked: Thyroid Profile
VS
Vikram S.
Verified · 3 days ago
5.0
Great value and fast report. Booked at 9am and had results by evening.
Booked: CBC
Questions people ask
How soon will I get my report?
Your report is delivered within 24 hours of sample collection — on WhatsApp and under My Orders.
Is home sample collection available?
Yes. A trained phlebotomist visits your home with sealed, single-use kits. Home collection is free.
Do I need to fast or prepare?
No fasting is required for this test unless your doctor advises otherwise.
How do I pay?
Pay online (UPI / cards) or pay at collection or at the centre. The price you see is what you pay — it includes the report, with no hidden charges.
Is the lab accredited?
Yes. Prima Diagnostics runs NABL-certified labs with strict quality control across 7 centres in Bengaluru.