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IgA Glycoprotein (Serum) – Immunoassay

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

This test measures the amount of glycoproteins linked to Immunoglobulin A (IgA) in your blood serum. Glycoproteins are proteins with attached sugar molecules, and IgA is a key antibody in your immune system.

Quick summary

["Understanding your IgA glycoprotein levels can help assess immune function and potential immune system responses."]

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

Key facts at a glance

LOINC
107927-6
Short code
Glycoprotein 2 IgA Ser Ql IF
Synonyms
Glycoprotein 2 IgA Ser Ql IF
Category
glucose
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
if
CPT
82784
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 Might Be Ordered

Your healthcare provider may recommend this test if you have symptoms or conditions linked to immune system issues, such as recurrent infections, autoimmune diseases, or certain allergies. It could also be part of a broader evaluation for conditions affecting protein metabolism or immune function.

What to Expect Before the Test

No special preparation is usually needed. You may have a small needle inserted into a vein in your arm for blood collection. If you’re on blood-thinning medication, let your provider know before the test.

What the Results Mean

Results are compared to general reference ranges for healthy adults. Abnormal levels may suggest immune dysfunction, protein disorders, or other underlying health concerns. Your provider will discuss these findings in the context of your overall health.

Common Conditions Linked to IgA Glycoprotein Levels

Changes in IgA glycoprotein levels can be associated with conditions like selective IgA deficiency (a rare immune disorder), certain autoimmune diseases, or metabolic disorders affecting protein synthesis.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Short name

IgA Glycoprotein Level

Frequently asked questions

What does an abnormal IgA glycoprotein result mean?
An abnormal result doesn’t necessarily mean you have a specific disease. It may prompt further testing to explore immune function, protein metabolism, or other health factors. Your provider will guide you on next steps based on your symptoms and test results.
How often should I get this test?
The frequency depends on your health needs. Some people get it once as part of a diagnostic evaluation, while others may need periodic monitoring if they have ongoing health concerns. Your provider will determine the best schedule for you.
Can lifestyle changes affect IgA glycoprotein levels?
While diet and lifestyle factors may influence overall protein levels in your blood, IgA glycoprotein levels are primarily tied to immune system activity and metabolic processes. Your provider can advise on how to support your health based on your specific results.
  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