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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 protein found in your blood, which helps maintain fluid balance and supports immune function.

Quick summary

["Albumin levels help assess protein status and kidney function."]

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

Key facts at a glance

LOINC
47930-3
Short code
GH sp7 p chal SerPl-aCnc
Synonyms
GH sp7 p chal SerPl-aCnc
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 Is This Test Done?

Your healthcare provider may order this test to check for conditions like malnutrition, kidney disease, liver problems, or fluid imbalances. It can also help monitor treatment responses in certain illnesses.

What Does a Low or High Albumin Level Mean?

Low albumin levels may indicate poor nutrition, kidney issues, or liver disease. High levels might suggest dehydration or certain medical conditions, though this is less common.

Sample Preparation and Collection

This test uses a blood sample collected from a vein in your arm. The blood is processed to separate serum or plasma for testing.

Common Conditions Monitored

Albumin levels are often tracked in patients with chronic kidney disease, liver cirrhosis, severe infections, or those recovering from surgery.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Short name

Albumin Level

Frequently asked questions

How long does it take to get results?
Results are typically available within 1 to 3 business days, depending on lab processing times and your healthcare provider’s workflow.
Can I eat or drink before this test?
You may eat and drink normally before this test unless instructed otherwise by your provider. Blood tests like this do not require fasting.
What if my albumin level is outside the expected range?
If your results are outside the expected range, your healthcare provider will discuss them with you. They may recommend further tests or adjustments to your treatment plan based on the cause, such as diet changes, medical interventions, or monitoring for underlying conditions.
  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