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| Qualitative analysis | Semi-quantitative analysis | Quantitative analysis Specific IgE titers | |
|---|---|---|---|
| Class | ImmunoCAP (kUA/L) | AlloScreen (IU/mL) | |
| Negative | 0 | <0.35 | 0.00–0.34 |
| Positive | 1 | 0.35 to <0.7 | 0.35–0.69 |
| Positive | 2 | 0.7 to <3.5 | 0.70–3.49 |
| Positive | 3 | 3.5 to <17.5 | 3.50–17.49 |
| Positive | 4 | 17.5 to <50 | 17.50–49.99 |
| Positive | 5 | 50 to <100 | 50.00–99.99 |
| Positive | 6 | >100 | ≥100 |
