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Mid-Atlantic · Beta Lactoglobulin (BLG) Allergy Test

Beta Lactoglobulin (BLG) Allergy Test in Washington DC

Below is a plain-language overview of the beta lactoglobulin (blg) allergy test. The Beta Lactoglobulin Allergy Test checks for an allergic reaction to a protein found in cow's milk and whey.

Sample typeBlood draw at a collection lab
ReferralNo referral required

What this test is

This test measures the presence of Immunoglobulin E (IgE) antibodies specific to Beta Lactoglobulin, a protein in cow's milk. It helps identify if you have an allergy to this common dairy component.

What it measures

  • Beta Lactoglobulin IgE — reflects the immune response to this milk protein

What the test involves

The test involves a standard blood draw, where a healthcare professional collects a small blood sample from your arm.

Why it is often ordered

Clinicians typically order this test if there are symptoms suggesting a milk allergy, such as digestive issues or skin reactions. It helps in determining if Beta Lactoglobulin is the trigger.

Preparation

Preparation instructions should be followed as provided by the laboratory conducting the test. Always check with them for specific guidelines.

How results are reported

Results indicate the level of IgE antibodies to Beta Lactoglobulin, with reference ranges varying by laboratory. A healthcare provider will explain the significance of your results.

Before you go

  • Check if fasting is required
  • Verify test availability
  • Confirm turnaround time

Cities

Beta Lactoglobulin (BLG) Allergy Test in Washington DC communities

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