| ADR | Adverse drug reaction |
| BAT | Basophil activation test |
| CSU | Chronic spontaneous urticaria |
| DPT | Drug provocation test |
| EAACI | European Academy of Allergy and Clinical Immunology |
| ID | Intradermal test |
| IgE | Immunoglobulin E |
| MRGPRX2 | Mast-related G-protein coupled receptor member X2 |
| NPV | Negative predictive value |
| NSAID | Non-steroidal anti-inflammatory drug |
| PPI | Proton pump inhibitor |
| PPV | Positive predictive value |
| SD | Standard deviation |
| SPT | Skin prick test |
| ST | Skin test |