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Insulin Binding Antibody Screening in Serum

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

This test measures antibodies that may interfere with insulin’s normal action in your body. It helps identify rare conditions where the immune system mistakenly attacks insulin, which can affect how your body uses glucose.

Quick summary

["Check for potential insulin-related immune issues that could impact blood sugar control."]

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

Key facts at a glance

LOINC
44319-2
Short code
Insulin Bnd SerPl Ql
Synonyms
Insulin Bnd SerPl Ql
Category
hormone
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Ref low
2.6
Ref high
24.9
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
CPT
83525
SNOMED
413618004
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 unexplained symptoms like frequent hypoglycemia (low blood sugar), insulin resistance, or if you’ve recently started insulin therapy and are experiencing unusual reactions.

What to Expect Before the Test

No special preparation is needed. You’ll provide a blood sample, usually drawn from a vein in your arm. The test is quick and typically done in a lab setting.

What the Results Mean

Results are qualitative (positive or negative). A positive result suggests the presence of insulin-binding antibodies, which may require further evaluation by your doctor.

Common Conditions Monitored

This test is primarily used to screen for insulin-binding antibodies, which can occur in autoimmune disorders or rare metabolic conditions affecting insulin function.

Reference range

Fasting: 2.6-24.9 μIU/mLN/A

Specimen: serum

No special preparation usually required. Stay well hydrated. Inform your healthcare provider of all medications and supplements you are taking.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical Significance: Insulin Antibodies and Blood Sugar Control

Short name

Insulin Antibody Screen (Serum)

Frequently asked questions

What does a positive result mean?
A positive result indicates the presence of antibodies that may block insulin’s action. This could lead to symptoms like frequent low blood sugar or difficulty managing glucose levels, even with insulin therapy. Your doctor will discuss next steps, which may include additional testing or adjustments to your treatment plan.
How often should I get this test?
Your doctor will determine the frequency based on your symptoms, medical history, and treatment plan. Typically, this test is not routine but may be ordered periodically if you have known insulin-related conditions or symptoms.
Can lifestyle changes affect this test result?
No, this test measures antibodies in your blood, which are not influenced by diet, exercise, or other lifestyle factors. However, your doctor may recommend monitoring other blood sugar-related tests alongside this one.
  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