| Item # | Length | Source of Standard | Year Implemented | Version Implemented | Year Retired | Version Retired |
|---|---|---|---|---|---|---|
| 870 | 1 | SEER | 1995 | 5 |
Indicates the type of SEER EOD code applied to the tumor. Should be used whenever EOD coding is applied.
Used in data editing and analysis.
Codes
| 0 | 2-Digit Nonspecific Extent of Disease (1973-82) |
| 1 | 2-Digit Site-Specific Extent of Disease (1973-82) |
| 2 | 13-Digit (expanded) Site-Specific Extent of Disease (1973-1982) |
| 3 | 4-Digit Extent of Disease (1983-87) |
| 4 | 10-Digit Extent of Disease, 1988 (1988-2003) |
| Blank | Cases diagnosed 2004+; or the item is not collected |