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Serum or plasma concentration of albumin (total protein component)

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

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

Quick summary

["Albumin helps keep tissues hydrated and supports immune health; low levels may signal kidney issues or malnutrition."]

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

Key facts at a glance

LOINC
50146-0
Short code
GABA DBS-sCnc
Synonyms
GABA DBS-sCnc
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 vital for transporting nutrients, hormones, and medications in your blood. It also helps maintain blood pressure and prevents fluid from leaking out of blood vessels. Low albumin can indicate problems like kidney disease, liver problems, or poor nutrition, while high levels may suggest dehydration or certain medical conditions.

What Can Affect Albumin Levels?

Several factors can influence albumin levels, including diet (low protein intake), chronic diseases (like kidney or liver disease), infections, or medications. Stress, pregnancy, or certain medical treatments may also play a role.

Common Causes of Abnormal Results

Low albumin levels may be linked to conditions such as chronic kidney disease, liver cirrhosis, severe infections, or malnutrition. High albumin levels can sometimes result from dehydration or certain inflammatory responses, though they’re less common.

Clinical Significance

Albumin is often checked alongside other blood tests to assess overall protein status and identify underlying health issues. It can help doctors diagnose or monitor conditions affecting fluid balance, immune function, or organ health.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Albumin levels are important for diagnosing and managing conditions like protein-losing syndromes, malnutrition, or chronic diseases. Doctors may use these results to guide treatment plans, such as dietary adjustments or medical interventions for kidney or liver issues.

Short name

Albumin Level

Frequently asked questions

What does an abnormal albumin test mean?
An abnormal result doesn’t always mean you have a serious condition, but it may signal a need for further testing. Your doctor will review your full medical history and other test results to determine the cause.
Can diet affect albumin levels?
Yes, diet plays a key role. Eating enough protein and staying hydrated can help maintain healthy albumin levels. If you suspect malnutrition or dietary issues, talk to your doctor or dietitian.
How often should I get this test?
Your doctor will decide how often to check albumin levels based on your health status. Regular monitoring may be needed if you have chronic conditions like kidney disease or liver problems.
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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