| Item # | Length | Source of Standard | Year Implemented | Version Implemented | Year Retired | Version Retired |
|---|---|---|---|---|---|---|
| 3,030 | 1 | AJCC | 2003 | 10 |
Flag to indicate whether the derived AJCC stage was derived from CS or EOD codes.
Codes
| blank | Not derived |
| 1 | AJCC fields derived from Collaborative Stage |
| 2 | AJCC fields derived from EOD (prior to 2004) |