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IgE Allergy Test (IgE Total)

  • Test
Immunoglobulin E (IgE) is an antibody made by the immune system. Total IgE testing can help diagnose some types of infections and abnormal immune responses.
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Allergy Blood Testing

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Describes how allergy blood tests are used, when allergy blood tests are ordered, and what the results of an allergy blood test might mean
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At-Home Allergy Testing

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  • At-Home Testing
Thinking about allergy testing? Get the facts about at-home allergy tests including how they work, their pros and cons, and the best tests available.
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Allergy Skin Test

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Suffering from allergies but unsure of the cause? Allergy skin testing can help. Learn more about the different tests and how the results can guide treatment.
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Influenza Tests

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The flu is a respiratory illness triggered by infection with an influenza virus. Our guide explains the types of flu tests and when and how they may be used.
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Trytase Test

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Severe allergic reactions are dangerous and come on fast. Measuring blood levels of tryptase helps diagnose allergic shock as well as some rare blood diseases.
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FIP1L1-PDGFRA

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Describes how the test for FIP1L1-PDGFRA is used to help investigate the cause of hypereosinophilia, when the test is ordered, and what the results of a FIP1L1-PDGFRA test might mean. It is an abnormal fusion gene sequence that causes excessive growth of eosinophils, a type of white blood cell.
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