| EU | European Union |
| TN | Tree nut |
| GDPR | General Data Protection Regulation |
| IQR | Interquartile range |
| PAT | Pediatric Assessment Triangle |
| CMP | Cow’s milk protein |
| SEAIC | Spanish Society of Allergy and Clinical Immunology |
| PED | Pediatric Emergency Department |
| TRIPED-GM | Five-level pediatric triage system of Hospital General Universitario Gregorio Marañón |