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Serum albumin concentration (mass concentration)

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

Albumin is a protein found in your blood that helps maintain fluid balance and supports tissue health. Your doctor may order this test to check for conditions like malnutrition, liver disease, or kidney problems.

Quick summary

["Albumin helps keep fluids in your blood vessels and supports overall health; low levels may signal underlying health concerns."]

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

Key facts at a glance

LOINC
110670-7
Short code
Prealb Msmt SerPl
Synonyms
Prealb Msmt SerPl
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

Doctors may order albumin tests to evaluate your overall health, diagnose conditions affecting protein levels, or monitor treatments for diseases like liver disease, kidney disease, or malnutrition. It’s also used in certain medical procedures to assess fluid balance or nutritional status.

What to Expect Before the Test

No special preparation is needed for this blood test. You may have a small needle inserted into your arm to draw a blood sample. If you’re on blood thinners or have a history of bleeding issues, let your doctor know beforehand.

What the Test Results Mean

Albumin levels can vary based on diet, health conditions, and medications. While reference ranges differ by lab, low albumin may indicate poor nutrition, liver or kidney disease, or chronic inflammation. High levels might suggest dehydration or certain genetic conditions.

Common Conditions Linked to Albumin Levels

Low albumin is often seen in conditions like cirrhosis (liver disease), kidney failure, severe infections, or malnutrition. High albumin can occur in dehydration, certain genetic disorders, or after surgery. Your doctor will interpret results in the context of your overall health.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Short name

Albumin Level

Frequently asked questions

Will fasting affect my albumin test results?
No, fasting is not required for albumin testing. However, your doctor may recommend avoiding certain medications or supplements that could influence protein levels before the test.
What if my albumin level is outside the normal range?
If your results are low, your doctor may recommend dietary changes, further testing (like liver or kidney function tests), or treatments for underlying conditions. If high, they may investigate dehydration or other causes. Follow-up visits will help address any concerns.
Can I take my blood pressure medication before the blood draw?
Yes, you can take your blood pressure medication as usual. However, inform your doctor or phlebotomist about all medications, including over-the-counter drugs or supplements, to avoid any potential delays or complications.
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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