Date and Time of Start of Drug
| Element Number | G.K.4.R.4 |
| Element Name | Date and Time of Start of Drug |
| English Name | Date and Time of Start of Drug (Date and Time of Start of Drug) |
| Data Type | Date/Time |
| Max Length | N/A |
| Required | No |
| Allowed Values | nullFlavor: MSK, ASKU, NASK |
MSKMasked - 마스킹됨ASKUAsked but Unknown - 질문했으나 알 수 없음NASKNot Asked - 질문하지 않음This data element is used to enter the start date of drug administration.