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Alpha-2 Globulin, Urine — Qualitative Electrophoresis

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

A urine test that separates urinary proteins to determine whether an alpha-2 globulin protein pattern is present.

Quick summary

["This test checks urine for an alpha-2 globulin protein pattern that may help evaluate certain kidney and systemic conditions."]

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

Key facts at a glance

LOINC
53771-2
Short code
Alpha2 Glob Ur Ql Elph
Synonyms
Alpha2 Glob Ur Ql Elph
Category
liver
Sample
urine
Container
Sterile urine container
Units
N/A
Ref low
44
Ref high
147
Critical range
7.2 N/A – 7.6 N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
electrophoresis
CPT
84075
SNOMED
27550007
Specimen volume
10 mL
Stability
Room temperature: 2h, Refrigerated: 24h, Frozen: 7d
Hemolysis max
0
Lipemia max
0
Icterus max
0
TAT
4–24 hours
Order
routine

What is this test?

Alpha-2 globulins are a group of proteins found in blood and other body fluids. This test uses electrophoresis to examine the alpha-2 protein fraction in a urine sample and report whether its pattern is present or absent.

Why might I need this test?

Your clinician may order this test as part of an evaluation of unusual urine proteins, kidney disease, or symptoms that could be related to a condition affecting the blood proteins. It may also help investigate an abnormal protein finding discovered through other urine tests.

How is the test performed?

A urine specimen is collected and its proteins are separated by electrophoresis. The laboratory then evaluates the alpha-2 globulin region and provides a qualitative result, meaning it reports the pattern or presence rather than a measured concentration.

How do I prepare for the test?

Follow your clinician or laboratory's urine-collection instructions. Tell the laboratory if you have a urinary tract infection, are taking medicines that may affect urine results, or recently received certain treatments, because these factors can influence interpretation.

Reference range

Adult: 44-147 U/LN/A

Specimen: urine

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

Urine alpha-2 globulin electrophoresis

Frequently asked questions

Does this test diagnose a specific condition?
No. It is one laboratory finding that must be interpreted with your symptoms, medical history, and other test results by your clinician.
Is a urine sample the only specimen required?
Yes. This test is performed on urine, although your clinician may request additional blood or urine tests to clarify an abnormal result.
What does a qualitative result mean?
It indicates whether the alpha-2 globulin pattern is present or absent rather than providing a specific concentration. It should not be compared with a numeric reference range.
  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