| Item # | Length | Source of Standard | Year Implemented | Version Implemented | Year Retired | Version Retired |
|---|---|---|---|---|---|---|
| 1,620 | 1996 | 5 | 2004 | 10.1 |
This field has been listed as in development since 1996. The NAACCR UDSC retired this data item in Version 10.1, as of January 1, 2004.