| ICI | Immune checkpoint inhibitor |
| irAE | Immune-related adverse event |
| BP | Bullous Pemphigoid |
| SCARS | Severe cutaneous adverse reactions |
| SJS/TEN | Stevens–Johnson Syndrome/Toxic Epidermal Necrolysis |
| AGEP | Acute Generalized Exanthematous Pustulosis |
| DRESS | Drug Reaction with Eosinophilia and Systemic Syndromes |
| DIF | Direct immunofluorescence |
| IIF | Indirect immunofluorescence |
| EBA | Epidermolysis bullosa acquisita |