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Serum or plasma concentration of albumin

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

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

Quick summary

["Albumin helps keep fluids where they need to be and supports overall health."]

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

Key facts at a glance

LOINC
46744-9
Short code
OA DBS-Imp
Synonyms
OA DBS-Imp
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 Might You Need This Test?

Your healthcare provider may order an albumin test to check for conditions like liver disease, kidney disease, malnutrition, or to monitor treatment progress for conditions affecting protein levels in your blood.

What Does the Test Involve?

A blood sample is taken from a vein in your arm. The blood is processed to separate serum or plasma, where albumin levels are measured using a specialized laboratory test.

What Are Common Causes of Low or High Albumin?

Low albumin levels can be caused by liver disease, kidney disease, severe malnutrition, or chronic conditions like heart failure. High levels may occur in dehydration or certain genetic disorders.

What Do Results Mean?

Results are compared to standard ranges for your age and health status. Abnormal results may prompt further testing or evaluation of underlying conditions.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Albumin plays a critical role in maintaining blood pressure, transporting nutrients, and supporting immune function. Low albumin can lead to swelling (edema), infections, or poor wound healing, while very high levels may indicate dehydration or specific metabolic issues.

Short name

Albumin Level

Frequently asked questions

What if I Have Questions About My Results?
If your albumin test results are outside the expected range, ask your healthcare provider about the next steps, including follow-up tests or lifestyle changes.
How Often Should I Get This Test?
The frequency depends on your health condition. Your doctor may recommend this test periodically if you have ongoing health issues like liver or kidney disease.
Does Diet Affect Albumin Levels?
Dietary protein intake can influence albumin levels, especially if you have malnutrition or liver/kidney problems. Your doctor may suggest dietary adjustments if needed.
  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