| AP Type | Features |
| Type 1 | Presence of at least 2 components such as chronic candidiasis, hypoparathyroidism, autoimmune Addison’s disease |
| Type 2 | Autoimmune Addison’s disease + autoimmune thyroid disease and/or type 1 diabetes |
| Type 3 | Autoimmune thyroid disease + other autoimmune diseases (excluding Addison’s disease and hypoparathyroidism) |
| Type 4 | Two or more organ-specific autoimmune diseases that do not fall into types 1, 2 or 3. |