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Serum or plasma substance concentration (mass concentration) for albumin

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

This test measures the amount of albumin, a protein found in your blood. Albumin helps maintain fluid balance and supports the transport of other substances in your body.

Quick summary

["Albumin levels can indicate overall health and help diagnose conditions like kidney disease or malnutrition."]

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

Key facts at a glance

LOINC
7972-3
Short code
N men sg Y Ab Spec Ql
Synonyms
N men sg Y Ab Spec Ql
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
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 Albumin Levels Matter

Albumin is a key protein that helps keep fluids in your blood vessels and supports the immune system. Low levels may signal problems like kidney disease, liver issues, or severe infections, while high levels could be linked to dehydration or certain medical treatments.

What Can Affect Your Results

Several factors can influence albumin levels, including diet (especially protein intake), chronic illnesses like kidney or liver disease, infections, or medications. Recent blood loss, severe burns, or rapid fluid shifts can also temporarily alter results.

Common Reasons for Testing

Doctors may order albumin tests to check for kidney function, liver health, malnutrition, or to monitor conditions like chronic obstructive pulmonary disease (COPD) or heart failure. It’s also used in some screening or donor assessments.

What to Expect During the Test

A simple blood draw is used to collect a sample. You’ll typically sit or lie down while a healthcare provider inserts a small needle into a vein in your arm. The process is quick and usually painless, though you may feel a slight pinch.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Short name

Albumin level

Frequently asked questions

How might my albumin level affect my health?
Low albumin levels often point to underlying health issues like chronic kidney disease, liver cirrhosis, or severe infections. High levels might suggest dehydration, but they can also occur with certain medications or conditions like multiple myeloma. Always discuss your results with your healthcare provider for personalized insights.
What are the typical reference ranges for albumin?
Reference ranges vary by lab and individual health, but healthy adults typically have albumin levels between approximately 3.5 and 5.0 grams per deciliter (g/dL) in serum or plasma. Your provider will use your specific results to guide care.
Can diet or lifestyle changes impact albumin levels?
Yes, diet plays a role—protein-rich foods like lean meats, eggs, and legumes support albumin production. Avoiding excessive alcohol or maintaining a balanced diet can help support healthy levels. Lifestyle factors like smoking or chronic stress may also influence results, so working with your doctor is key.
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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