Component |
Level (KU/L) |
Peanut IgE, complete (f13) |
6.88 |
Ara h 1 |
0.68 |
Ara h 2 |
3.65 |
Ara h 3 |
0.12 |
Ara h 8 |
<0.10 |
Ara h 9 |
<0.10 |
Table 2. Peanut component test results. Component testing sheds light on equivocal cases where whole-extract testing reveals relatively low levels of IgE. This patient was primarily sensitized to Ara h 2, a storage protein associated with a high risk of clinical symptoms.