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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 blood clotting and immune responses."]

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

Key facts at a glance

LOINC
109919-1
Short code
ENA RNP Ab Msmt Fld
Synonyms
ENA RNP Ab Msmt Fld
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 This Test Is Done

Your healthcare provider may order an albumin test to check for conditions like malnutrition, kidney disease, liver problems, or infections. It can also help monitor how well your body is retaining fluids or responding to treatments.

What to Expect Before the Test

No special preparation is needed. You may have a small needle inserted into a vein (usually in your arm) to draw blood. If you’re taking blood from your home, follow your provider’s instructions carefully.

What the Results Mean

Low albumin levels may suggest poor nutrition, chronic illness, or organ dysfunction. High levels might indicate dehydration or certain medical conditions. Your results will be compared to standard reference ranges for your age and health status.

Common Conditions Linked to Albumin Levels

Abnormally low albumin is often seen in conditions like cirrhosis, kidney disease, or severe infections. High levels can occur with dehydration or in some genetic disorders. Your provider will discuss these findings with you.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical significance: Albumin is a critical protein that helps maintain blood pressure, transport nutrients, and support immune function. Low levels may indicate underlying health issues requiring further evaluation, while high levels could signal dehydration or other metabolic changes.

Short name

Albumin Level

Frequently asked questions

How often should I get this test?
Your provider will determine how often you need this test based on your health needs, such as monitoring chronic conditions or responding to treatment. Follow-up may be scheduled if you have ongoing symptoms or risk factors.
What does it feel like to have blood drawn?
Most people describe it as a quick, minor discomfort at the needle insertion site. Some may feel a slight pinch or pressure. Most people recover quickly, and the area may bruise slightly. Rarely, there could be a small bruise or swelling.
Can I eat or drink before this test?
You can eat and drink normally unless your provider gives specific instructions. No fasting is required for this test.
  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