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Serum or plasma mass concentration of albumin

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

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

Quick summary

["Albumin levels help assess overall protein status and organ health."]

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

Key facts at a glance

LOINC
43510-7
Short code
MR Axilla-R
Synonyms
MR Axilla-R
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
mr
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 diagnose or monitor conditions such as malnutrition, kidney disease, liver disease, or certain infections. It can also be used to evaluate how well your body is retaining fluids or responding to treatments like chemotherapy.

What to Expect Before the Test

No special preparation is usually needed. You may be asked to fast for a few hours before the test, but this depends on your doctor’s instructions. Bring any medications you’re taking to your appointment.

How the Test Is Done

A healthcare provider will draw blood from a vein in your arm using a small needle. You may feel a slight pinch, but it usually doesn’t cause significant discomfort. The blood is then sent to a lab for analysis.

What the Results Mean

Results are reported as a mass concentration (e.g., grams per deciliter). Low albumin levels may indicate poor nutrition, inflammation, or organ dysfunction, while very high levels are less common but can occur in certain medical conditions.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical Significance: Albumin levels can signal underlying health issues. Low levels often point to conditions like chronic kidney disease, liver failure, or severe infections, while high levels may suggest dehydration or certain metabolic disorders. Regular monitoring helps track these conditions over time.

Short name

Albumin Level

Frequently asked questions

What causes low albumin levels?
Low albumin can result from malnutrition, kidney disease, liver disease, chronic infections, or excessive protein loss (e.g., from wounds or diarrhea). Certain medications or medical treatments may also affect albumin production.
How long does it take to get results?
Results are typically available within 1–3 business days, depending on your lab’s processing time. Your doctor will discuss the findings with you during your follow-up visit.
Can diet affect albumin levels?
Yes, diet plays a key role. Eating enough protein and calories can help maintain normal albumin levels. If you suspect malnutrition, discuss dietary changes with your doctor or a 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