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Serum or plasma concentration of albumin (mass concentration)

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

Albumin is a protein found in your blood that helps maintain fluid balance and supports immune function. Low levels may indicate kidney disease, malnutrition, or liver problems.

Quick summary

["Albumin helps keep fluids in your bloodstream and supports healing—low levels may signal underlying health concerns."]

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

Key facts at a glance

LOINC
23069-8
Short code
EAV Ab Titr Ser CF
Synonyms
EAV Ab Titr Ser CF
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
comp-fix
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 Matters in Your Health

Albumin plays a key role in transporting nutrients, hormones, and medications in your blood. It also helps maintain blood pressure by preventing fluid from leaking out of blood vessels into tissues. Low albumin can signal serious conditions like chronic kidney disease, liver disease, or severe infections.

What Can Affect Your Albumin Level?

Several factors can influence albumin levels, including diet (especially protein intake), kidney or liver disease, chronic infections, or certain medications. Stress, rapid weight loss, or severe burns can also temporarily lower albumin.

Common Causes of Low Albumin

Low albumin is often seen in conditions like kidney failure, cirrhosis, or malnutrition. Infections, severe burns, or certain medications (like diuretics or chemotherapy drugs) may also cause it. High albumin can sometimes occur in dehydration or certain inflammatory conditions.

When to Ask About Albumin Testing

Your doctor may order albumin testing if you have symptoms like swelling (edema), unexplained weight loss, fatigue, or signs of organ damage. It’s also part of routine checks for people with chronic diseases like diabetes or kidney disease.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Albumin levels are critical for diagnosing and monitoring conditions like protein-losing disorders, malnutrition, or severe infections. High or low levels can guide treatment plans, such as adjusting diet, managing kidney disease, or treating infections.

Short name

Albumin Level

Frequently asked questions

Why might my albumin test result be different from what I expected?
Albumin levels can vary based on health conditions, diet, and medications. For example, kidney or liver problems often lower albumin, while dehydration may raise it. Your doctor will discuss any changes with you based on your full medical picture.
What should I do if my albumin level is low?
If your albumin is low, your doctor may recommend dietary changes (like increasing protein), treating an underlying condition (like kidney disease), or monitoring closely. Avoiding excessive protein loss (e.g., from heavy exercise or burns) may also help.
Can I prevent changes in my albumin level?
While you can’t always prevent albumin changes, maintaining a balanced diet, managing chronic conditions (like diabetes or kidney disease), and staying hydrated may help. Ask your doctor about specific steps if you have risk factors.
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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