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Serum/plasma concentration of albumin by nephelometry

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 can indicate overall protein status and kidney function."]

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

Key facts at a glance

LOINC
72906-1
Short code
HNA Ab pnl SerPl
Synonyms
HNA Ab pnl 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

What Albumin Levels Tell Us About Your Health

Albumin is a key protein in your blood that helps distribute fluids throughout your body and supports immune defense. Low levels may suggest conditions like malnutrition, kidney disease, or liver problems, while high levels could be linked to dehydration or certain medical treatments. Your doctor may order this test to check for these issues or monitor existing conditions.

Why Your Doctor Might Request This Test

Doctors often check albumin levels when evaluating symptoms like swelling (edema), unexplained weight loss, fatigue, or when diagnosing conditions such as kidney disease, liver disease, or severe infections. It may also be used to monitor treatment progress in patients with chronic illnesses.

How the Test Works

A small blood sample is taken, and the albumin protein is measured using a specialized technique called nephelometry. This method detects the protein’s presence and concentration in your blood plasma or serum.

What to Expect Before the Test

No special preparation is needed for this test. You may have a slight pinch when the blood is drawn, but it usually takes only a few minutes. If you’re on blood-thinning medication or have a bleeding disorder, let your doctor know before the test.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical Significance: Albumin Levels and Health Outcomes

Short name

Albumin Level

Frequently asked questions

How long does it take to get results from this test?
Results are typically available within 1–3 business days, depending on your lab’s processing schedule. Your doctor will discuss the findings with you during your follow-up visit.
Can low albumin levels be treated?
Yes, low albumin levels may be treated based on the underlying cause. This could include dietary changes, medications, or medical interventions like intravenous fluids or protein supplements, depending on the diagnosis.
Does diet affect albumin levels?
Yes, diet can influence albumin levels. Eating a balanced diet rich in protein, vitamins, and minerals may help maintain healthy levels, especially if you have conditions like malnutrition or kidney disease.
  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