Starting at
$279
Walk-In Lab
Lowest PriceOnlineInterleukin-4 (IL-4) Blood Test
The Interleukin-4 (IL-4) Blood Test measures a protein that helps doctors understand how your immune system responds in allergic reactions and immune disorders, guiding treatment plans to manage conditions like asthma and atopic dermatitis effectively.
Updated 7/22/2025
$279
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