Sweet Potato (f54) IgG4 details
What Sweet Potato (f54) IgG4 shows
This test measures IgG4 antibodies to sweet potato proteins in your blood. IgG4 food tests are sometimes ordered to look at possible food sensitivities that are not immediate allergies. A higher result generally reflects exposure — your immune system has met sweet potato through your diet — and IgG4 is often associated with tolerance rather than an allergic reaction. A low result usually means little recent exposure. The link between food IgG4 levels and symptoms is debated, and this result does not diagnose a sweet potato allergy, which is assessed with IgE testing and your history.
Tests that include Sweet Potato (f54) IgG4
This panel tests for specific IgG4 antibodies to 10 foods.
- Black Pepper (f280) IgG4 Measures IgG4 antibodies to black pepper as part of a food panel; food IgG4 mainly reflects exposure, and its link to symptoms is debated.
- Cauliflower (f291) IgG4 Measures IgG4 antibodies to cauliflower as part of a food panel; food IgG4 mainly reflects exposure, and its link to symptoms is debated.
- Clam (f207) IgG4 Measures IgG4 antibodies to clam as part of a food panel; food IgG4 mainly reflects exposure, and its link to symptoms is debated.
- Green Pea (f12) IgG4 Measures IgG4 antibodies to green peas, a marker of dietary exposure to this legume whose link to food-related symptoms is debated.
- Lettuce (f215) IgG4 Measures IgG4 antibodies to lettuce, which reflect exposure to lettuce in your diet; their link to food-related symptoms is debated.
- Lobster (f80) IgG4 Measures IgG4 antibodies to lobster, which reflect exposure to lobster in your diet; their link to food-related symptoms is debated.
- Peach (f95) IgG4 Measures IgG4 antibodies to peach, which mainly reflect that you have eaten this food; their link to food-related symptoms is debated.
- Sesame Seed (f10) IgG4 Measures IgG4 antibodies to sesame seed, which reflect your immune system's exposure to this food; their link to food symptoms is debated.
- Sweet Potato (f54) IgG4 Measures IgG4 antibodies to sweet potato, which mainly reflect how often you eat it; their link to food-related symptoms is debated.
- Walnut Food (Juglans spp.) IgG4 Measures IgG4 antibodies to walnut, which mainly reflect how often you eat it; their link to food-related symptoms is debated.
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