MedDRA Version for Reaction / Event
| Element Number | E.I.2.1A |
| Element Name | MedDRA Version for Reaction / Event |
| English Name | MedDRA Version for Reaction / Event (MedDRA Version for Reaction / Event) |
| Data Type | Alphanumeric |
| Max Length | 4 |
| Required | Yes |
| Allowed Values | N.N |
No null flavors allowed