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Serum or plasma mass concentration of albumin

Published: August 9, 2026Updated: August 16, 2026

This test measures the amount of albumin, a protein found in your blood, which helps maintain fluid balance and supports immune function.

Quick summary

["Albumin levels help assess kidney function and overall protein status in your body."]

Medically reviewed by WellAlly Editorial TeamLast reviewed August 16, 2026Editorial policy

Key facts at a glance

LOINC
22756-1
Short code
HLA-DR CSF-aCnc
Synonyms
HLA-DR CSF-aCnc
Category
chemistry
Sample
csf
Container
Sterile tube
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Specimen volume
1-2 mL
Stability
Immediate analysis required, Refrigerated: 1h
Hemolysis max
200
TAT
4–24 hours
Order
routine

Why Albumin Levels Matter

Albumin is a key protein that helps keep fluids where they need to be in your body. Low levels can indicate problems like kidney disease, malnutrition, or liver issues, while high levels may suggest dehydration or certain medical conditions. Your doctor may order this test to monitor your health, especially if you have chronic conditions like kidney disease or heart failure.

What to Expect Before the Test

No special preparation is needed for this test. You may have a blood draw, where a small amount of blood is taken from a vein in your arm. If you’re having a urine test, you’ll collect a sample in a clean container. Always follow your healthcare provider’s instructions for timing and fasting if applicable.

Common Reasons for Testing

Doctors often check albumin levels to diagnose or monitor conditions like chronic kidney disease, liver disease, malnutrition, or to evaluate how well your body is retaining fluids. It can also help assess the effectiveness of treatments for conditions such as heart failure or severe infections.

What the Results Mean

Results are usually reported as a mass concentration (e.g., grams per deciliter). While reference ranges vary by lab, very low levels may signal protein loss (e.g., in kidney disease), while very high levels could indicate dehydration or other conditions. Your doctor will interpret results in the context of your overall health.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical Significance

Short name

Albumin Level

Frequently asked questions

How often do I need this test?
The frequency depends on your health condition. For example, people with kidney disease may need albumin tests more often to track progression or response to treatment. Your doctor will determine how often you need this test based on your medical history and needs.
Can diet affect my albumin levels?
Yes, diet can influence albumin levels. Eating enough protein and staying hydrated supports normal albumin production. Conversely, poor nutrition, excessive alcohol use, or chronic illnesses like liver disease may lower albumin. Discuss your diet with your doctor if you have concerns.
What if my results are outside the normal range?
If your results are abnormal, your doctor will discuss potential causes, such as kidney problems, liver disease, or malnutrition. They may recommend further tests or adjustments to your treatment plan to address the underlying issue.
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This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

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