Aldosterone 24 Hour Urine Test
Short Name: Aldosterone 24Hr Urine
Also known as: 24-Hour Urine Aldosterone Test, Aldosterone Excretion Test, 24h Urine Aldosterone
Aldosterone 24 Hour Urine Test test available at DNA Labs India for ₹1,872. Uses CLIA on 5 mL aliquot of 24-hour urine samples. Results in Reports are typically available the next day after sample receipt if submitted by Thursday 4 PM.. Free home collection in 300+ cities across India.
🩺 Medically Reviewed By
Dr Ramarao Paidisetty
Consultant Biochemist · Reg: 21504
Last reviewed: September 7, 2026
Overview
To measure aldosterone levels in urine for the diagnosis of adrenal gland disorders, such as primary hyperaldosteronism or adrenal insufficiency, and to monitor treatment effectiveness.
- Test Code
- 77
- Price
- ₹1,872
- Sample Type
- 5 mL aliquot of 24-hour urine
- Result Time
- Reports are typically available the next day after sample receipt if submitted by Thursday 4 PM.
- Fasting Required
- No
- Method
- CLIA
Sample Collection
Keep urine refrigerated during the entire 24-hour collection period. Avoid excessive physical activity and maintain a normal diet unless instructed otherwise by your doctor.
Method: 24-hour urine collection
Laboratory Analysis
Collect all urine output over 24 hours, starting from the second morning void on day one to the first morning void on day two. Add boric acid (1g per 100 ml urine) to the collection container as a preservative. Mix well after each void.
Report Delivery
After completing the 24-hour collection, mix the urine well, measure the total volume, and aliquot 5 mL into a sterile container. Record the total volume on the container and request form. Ship refrigerated or frozen to the laboratory.
Timeline: Reports are typically available the next day after sample receipt if submitted by Thursday 4 PM.
Patient Instructions
About This Test
Who Should Get This Test
To measure aldosterone levels in urine for the diagnosis of adrenal gland disorders, such as primary hyperaldosteronism or adrenal insufficiency, and to monitor treatment effectiveness.
How to Prepare
- Use a clean, large container for collection
- Add boric acid (1g/100 ml urine) to maintain pH below 7.5
- Keep urine refrigerated during collection
- Mix well before aliquoting 5 mL
- Record total 24-hour urine volume on container and test form
Doctor's Notes
Reviewed by Dr Ramarao Paidisetty — MBBS, MD (Biochemistry) · Reg. No. 21504
"This test is essential for evaluating aldosterone disorders, which can impact blood pressure and electrolyte balance, aiding in accurate diagnosis and treatment planning."
Last medically reviewed: September 7, 2026
Test Parameters & Specifications
Sample Stability
- Incorrect labeling or missing information
- Insufficient urine volume (less than 5 mL aliquot)
- Sample contaminated or not preserved properly
- Collection period not complete 24 hours
Understanding Your Results
Elevated aldosterone levels
Low aldosterone levels
Normal levels
Aldosterone excretion is within expected range; adrenal function may be normal, but clinical correlation is essential.
If your test results are abnormal or if you experience symptoms such as persistent high blood pressure, severe muscle weakness, or electrolyte imbalances, consult an endocrinologist for further evaluation and management.
Limitations
- ⚠Does not differentiate between primary and secondary hyperaldosteronism alone; may require additional tests like plasma renin activity.
- ⚠Results can be influenced by factors such as diet and medication use.
- ⚠Reference ranges may vary based on laboratory methods and population.
Risks & Considerations
- ●No significant risks associated with urine collection; minimal discomfort from handling urine samples.
Interfering Factors
- ●High-sodium diet
- ●Medications such as diuretics or antihypertensives
- ●Posture during collection (upright vs. supine)
- ●Recent physical activity or stress
- ●Contamination of urine sample
Frequently Asked Questions
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