| Item # | Length | Source of Standard | Year Implemented | Version Implemented | Year Retired | Version Retired |
|---|---|---|---|---|---|---|
| 1,660 | 8 | CoC |
Date of initiation of second-course treatment. Central registries currently collecting this data item should follow the 1998 ROADS Manual coding instructions. See Data Descriptor Table for date format.
Note: This data item is no longer supported by CoC (as of January 1, 2003).