| Type | Description |
| 1 | Partial quantitative deficit in VWF |
| 2 | Qualitative deficit in VW |
| 2A | Interaction failure of VWF with platelets and subendothelium linked to the absence of high MW multimers |
| 2B | Increased affinity of VWF for platelet GPIb |
| 2M | Interaction failure of VWF with platelets and subendothelium unrelated to a high PM multimeric abnormalit |
| 2N | Significant decrease in VWF affinity for FVIII |
| 3 | Almost total deficit in VWF |