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Alpha-2 Globulin, Body Fluid — Electrophoresis, Mass Concentration

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

Measures the alpha-2 globulin fraction in a body-fluid sample using protein electrophoresis. The fluid type and clinical context are needed for interpretation.

Quick summary

["This test measures one protein fraction in body fluid and is interpreted alongside the fluid type and other protein results."]

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

Key facts at a glance

LOINC
17497-9
Short code
Alpha2 Glob Fld Elph-mCnc
Synonyms
Alpha2 Glob Fld Elph-mCnc
Category
liver
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Ref low
44
Ref high
147
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
electrophoresis
CPT
84075
SNOMED
27550007
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 is this test?

This test measures the amount of alpha-2 globulin in a body-fluid sample. Alpha-2 globulin is a group of proteins that includes substances such as haptoglobin.

Why might I need this test?

Protein electrophoresis can be used to evaluate the distribution of proteins in fluid collected from a body site. Depending on the situation, it may help assess inflammation, liver function, immune-related conditions, or other causes of altered proteins in the fluid.

How is the test performed?

A laboratory separates the proteins in the fluid using electrophoresis and measures the alpha-2 globulin fraction by mass concentration. The result is usually reported with the other protein fractions and the fluid's total protein level.

How do I prepare for the test?

Preparation depends on the type of fluid being tested. Follow the collection instructions provided by your healthcare professional; fasting is generally not required unless specifically requested.

Reference range

Adult: 44-147 U/LN/A

Specimen: serum

No special preparation required. Avoid fatty meals before the test if possible.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Short name

Alpha-2 globulin by fluid electrophoresis

Frequently asked questions

What does an alpha-2 globulin result measure?
It estimates the concentration of the alpha-2 fraction of proteins in the tested body fluid. The laboratory determines this fraction through protein electrophoresis.
Does an abnormal result diagnose a specific condition?
No. Abnormal results are not specific to one illness and must be considered with the fluid type, symptoms, examination, and other laboratory findings.
Can I use the same reference range for every body fluid?
No. Expected values can differ substantially among fluids, such as cerebrospinal fluid, serum, and other specimens, so the laboratory and clinician should interpret the result for its specific source.
  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