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Beta2globserplelphmcnc

Published: August 9, 2026Updated: August 15, 2026

A blood test that measures the level of beta 2 globulin proteins in your blood using electrophoresis.

Quick summary

{"Beta 2 globulin is a protein made by your liver and immune system","This test helps doctors evaluate liver and kidney function","Abnormal levels may indicate liver disease, kidney disease, or immune disorders"}

Medically reviewed by WellAlly Editorial TeamLast reviewed August 15, 2026Editorial policy

Key facts at a glance

LOINC
32731-2
Short code
B2GLOB
Synonyms
Beta2 Glob SerPl Elph-mCnc
Category
chemistry
Sample
serum
Container
Serum separator tube (SST) or red top tube
Units
N/A
Ref low
0.7
Ref high
1.5
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
electrophoresis
CPT
84165
SNOMED
104372005
Specimen volume
1–2 mL of serum
Stability
Room temperature: 8 hours; Refrigerated (2–8°C): 7 days; Frozen (-20°C): 30 days
Hemolysis max
50
Lipemia max
100
Icterus max
50
TAT
4–24 hours
Order
routine

What is this test?

The Beta 2 Globulin test measures the amount of beta 2 globulin proteins in your blood serum or plasma. This test uses a technique called electrophoresis, which separates different proteins in your blood based on their electrical charge. Beta 2 globulin is one of several protein fractions measured in a complete protein electrophoresis test. These proteins play important roles in your body, including fighting infections, transporting hormones and vitamins, and maintaining fluid balance in your blood vessels.

During the test, a blood sample is taken from a vein in your arm. The sample is then sent to a laboratory where the proteins are separated and measured. The results show the amount of beta 2 globulin as either a percentage of total protein or as an absolute concentration. Your doctor will interpret these results along with other protein fractions to get a complete picture of your health status.

Reference range

Reference ranges vary by laboratory and electrophoresis method; typically expressed as g/dL or percentage of total protein (e.g., 0.7–1.5 g/dL or 7.3–12.0% of total protein)N/A

Specimen: serum

No special preparation required. Fasting is not necessary.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Elevated beta 2 globulin levels may indicate several health conditions. Liver diseases such as hepatitis or cirrhosis can cause increased levels because the liver produces many of these proteins. Kidney disease, particularly nephrotic syndrome, can also lead to elevated beta 2 globulin due to protein loss through damaged kidneys. Certain inflammatory and autoimmune conditions like rheumatoid arthritis or lupus may also cause increased levels. In some cases, certain types of cancer affecting the immune system can cause abnormal beta 2 globulin levels.

Decreased beta 2 globulin levels are less common but can occur in severe malnutrition, malabsorption syndromes, or advanced liver disease where the liver can no longer produce adequate proteins. Some rare immune deficiency disorders may also show reduced levels. Because beta 2 globulin levels must be interpreted in context with other protein fractions and clinical symptoms, your doctor will consider the complete picture when making a diagnosis.

Frequently asked questions

Do I need to fast before this test?
Typically, no fasting is required for a beta 2 globulin test. However, follow any specific instructions your healthcare provider gives you. Some related tests may require fasting, so it's best to ask when scheduling.
Is this test painful?
The test involves a simple blood draw, which may cause brief discomfort or a minor bruise at the needle site. The procedure only takes a few minutes and is generally well tolerated by most patients.
How long does it take to get results?
Results are usually available within 1-3 days, depending on the laboratory. Your healthcare provider will contact you with the results or discuss them at your follow-up appointment.
What do abnormal results mean?
Abnormal beta 2 globulin levels alone do not diagnose a specific condition. Your doctor will interpret the results along with other protein fractions, your symptoms, medical history, and other test results to determine if any treatment or further testing is needed.
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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 15, 2026. · Read our editorial policy