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Substance concentration of albumin in serum/plasma

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

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

Quick summary

["Albumin helps keep fluids in your blood vessels and supports your immune system."]

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

Key facts at a glance

LOINC
63239-8
Short code
ENA Ab CSF Ql IA
Synonyms
ENA Ab CSF Ql IA
Category
chemistry
Sample
csf
Container
Sterile tube
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
ia
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 vital for transporting nutrients, maintaining blood pressure, and supporting the immune system. Low levels may indicate conditions like kidney disease, malnutrition, or severe infections, while high levels could suggest dehydration or certain liver disorders.

What to Expect During Testing

A blood sample is drawn from a vein, usually in your arm. The test is quick and typically done in a lab. Results help doctors assess overall health, especially in cases of chronic illness or recovery from surgery.

Common Causes of Abnormal Results

Low albumin levels may be due to liver disease, kidney problems, malnutrition, or excessive protein loss (e.g., from diarrhea or kidney disease). High levels might result from dehydration or conditions that reduce fluid in tissues.

When You Might Need This Test

Doctors order albumin tests to monitor kidney function, liver health, nutritional status, or to check for conditions like chronic kidney disease, cirrhosis, or severe infections.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Albumin levels can indirectly reflect overall protein status and organ function. While not a standalone diagnostic test, they provide critical insights into systemic health, especially in patients with chronic illnesses or those recovering from trauma.

Short name

Albumin Level

Frequently asked questions

What does an abnormal albumin result mean?
An abnormal result doesn’t diagnose a specific condition alone but may signal underlying health issues that need further investigation, such as kidney disease, liver problems, or malnutrition. Your doctor will discuss findings in the context of your symptoms and medical history.
How often should I get this test?
The frequency depends on your health status. If you have chronic conditions like kidney disease or liver disease, your doctor may recommend regular monitoring. Otherwise, this test is often part of routine check-ups or specific evaluations.
Can diet affect albumin levels?
Yes, diet plays a role. Low-protein diets or malnutrition can lower albumin levels, while adequate protein intake supports normal levels. Your doctor may recommend dietary adjustments if needed, especially if albumin is low.
  1. 1
    MedlinePlus — Laboratory TestsSource
  2. 2
    Lab Tests OnlineSource
  3. 3
    Mayo Clinic — Tests & ProceduresSource

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.

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