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Serum/plasma mass concentration of albumin

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 levels can indicate overall protein status and potential fluid imbalances."]

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

Key facts at a glance

LOINC
52115-3
Short code
D Ab SerPl Ql AHG
Synonyms
D Ab SerPl Ql AHG
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
antihuman-globulin
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, maintaining blood pressure, and supporting the immune system. Low levels may suggest conditions like malnutrition, kidney disease, or liver problems, while high levels could be due to dehydration or certain medications.

What Can Affect Your Results?

Several factors can influence albumin levels, including diet (low-protein diets may lower it), kidney or liver disease, chronic infections, and certain medications. Stress, pregnancy, or recent blood loss can also temporarily affect readings.

Common Reasons for Testing

Doctors may order albumin tests to check for malnutrition, monitor kidney or liver function, evaluate fluid balance in patients with heart or kidney disease, or assess response to treatments like chemotherapy.

What to Expect During the Test

A simple blood draw is used to collect serum or plasma for testing. The sample is sent to a lab where albumin is measured using a specialized technique (likely enzymatic or nephelometric). Results are typically ready within 1–2 days.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical Significance: Albumin Levels and Health

Short name

Albumin Level

Frequently asked questions

What does a low albumin level mean?
A low albumin level may signal underlying health issues like chronic kidney disease, liver cirrhosis, severe infections, or malnutrition. It can also indicate poor nutrient absorption or excessive protein loss (e.g., from wounds or kidney disease). Your doctor will consider other symptoms and test results to determine the cause.
What does a high albumin level mean?
High albumin levels can occur in dehydration, severe burns, or certain inflammatory conditions. They may also be seen in patients with high protein diets or those receiving certain medications. Further evaluation is needed to rule out dehydration or other causes.
How often should I get this test?
The frequency depends on your health condition. If you have chronic kidney or liver disease, your doctor may recommend periodic testing. For routine health checks or monitoring specific treatments, follow your provider’s guidance.
  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