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Human albumin concentration (serum/plasma)

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

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

Quick summary

["Albumin helps keep fluids in your blood vessels and supports healthy tissue function."]

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

Key facts at a glance

LOINC
33600-8
Short code
Hu Ab Ser IF-aCnc
Synonyms
Hu Ab Ser IF-aCnc
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
if
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 Is This Test Done?

Doctors may order albumin tests to check for conditions like kidney disease, liver problems, malnutrition, or severe infections. It can also help monitor how well treatments are working for certain illnesses.

What to Expect Before the Test

No special preparation is needed. You may have a small needle inserted into a vein in your arm, and blood will be drawn into a tube. This is usually done at a lab or your doctor’s office.

What the Results Mean

Low albumin levels may suggest conditions like kidney disease, liver failure, or chronic infections. High levels might be seen in dehydration or certain genetic disorders. Your doctor will interpret results in the context of your overall health.

Common Conditions Linked to Albumin Levels

Abnormal albumin levels can signal underlying health issues, such as malnutrition, kidney or liver disease, or chronic inflammation. It’s important to discuss any symptoms or concerns with your healthcare provider.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Short name

Albumin Level

Frequently asked questions

What causes low albumin levels?
Low albumin can result from conditions like kidney disease, liver problems, malnutrition, or severe infections. Certain medications or treatments may also affect albumin production.
How long does it take to get results?
Results are typically available within a few days, depending on your lab’s processing time. Your doctor will contact you once they have the results.
Can diet affect albumin levels?
Yes, diet can influence albumin levels. Eating enough protein and staying hydrated supports healthy albumin production. If you suspect diet is affecting your results, talk to your doctor or dietitian.
  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