Serum/plasma concentration of aldosterone (mass concentration)
This test measures the amount of aldosterone, a hormone produced by your adrenal glands that helps regulate blood pressure and fluid balance.
["Aldosterone helps control how much sodium and potassium your body retains, which affects your blood pressure and heart function."]
Key facts at a glance
- LOINC
- 33828-5
- Short code
- LH sp8 p chal SerPl-aCnc
- Synonyms
- LH sp8 p chal SerPl-aCnc
- Category
- chemistry
- Sample
- serum
- Container
- Red-top tube (SST)
- Units
- N/A
- Ref low
- 1.5
- Ref high
- 9
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- CPT
- 83002
- Specimen volume
- 5 mL
- Stability
- Room temperature: 4h, Refrigerated: 24h, Frozen: 7d
- Hemolysis max
- 500
- Lipemia max
- 1000
- Icterus max
- 500
- TAT
- 4–24 hours
- Order
- routine
Why is this test done?
Your doctor may order this test to diagnose or monitor conditions like primary aldosteroneism (hyperaldosteronism), adrenal insufficiency, or to check for hormonal imbalances that could affect blood pressure or kidney function. It may also be used in patients with high blood pressure, kidney disease, or symptoms like excessive thirst, fatigue, or irregular heartbeat.
What does the result mean?
Results may be compared to your baseline or clinical context rather than a single reference range. High aldosterone levels could suggest conditions like hyperaldosteronism, while low levels might indicate adrenal gland issues or other hormonal disorders. Your doctor will interpret the result in relation to your symptoms and other tests.
What should I expect during or after the test?
You’ll typically provide a blood sample drawn from a vein in your arm. The process is quick and usually painless, though you may feel a slight pinch. No special preparation is usually needed unless instructed otherwise. The blood sample is sent to a lab for analysis, and results are usually available within a few days.
How often will I need this test?
The frequency depends on your health condition and treatment plan. Your doctor may recommend regular monitoring if you have chronic conditions like high blood pressure or adrenal disorders. Follow-up tests are often scheduled based on your symptoms and lab results.
Reference range
Follicular: 1.5-9.0 mIU/mLN/A
For females: inform if menstrual cycle status. For certain tests, timing within menstrual cycle may matter.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
What does this test help diagnose or manage?
Short name
Aldosterone level
Frequently asked questions
This test helps diagnose conditions such as primary hyperaldosteronism (Conn’s syndrome), adrenal adenomas, or adrenal hyperplasia. It can also help manage blood pressure disorders, kidney function issues, and certain electrolyte imbalances by providing insight into your body’s hormone regulation.
What are some common symptoms that might lead to this test?
How does this test differ from other hormone tests?
Sources
- 1
- 2Lab Tests OnlineSource
- 3
Click any link to access the full source. PubMed Central (PMC) links provide free full-text access.
This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed August 16, 2026. · Read our editorial policy