hEDS is the only subtype without a confirmed molecular basis
findingevidence: established
All twelve other types in the 2017 classification have known causative genes. hEDS, the most common type, has no confirmed molecular basis, so it is diagnosed from clinical criteria alone under the 2017 classification.
Not medical advice. This page summarizes research and does not recommend any course of care.
| EDS types | hEDS |
|---|---|
| Diagnostic criteria | 2017 International Classification |
| Last checked | 2026-09-16 |
Evidence
clinicalconsensus statement