| Item # | Length | Source of Standard | Year Implemented | Version Implemented | Year Retired | Version Retired |
|---|---|---|---|---|---|---|
| 3,710 | 1 | SEER | 2010 | 12 |
A one character field to be used when information for a particular primary site needs to be collected by SEER.
This field is a place holder when site-specific information is needed for SEER.
Codes (To be determined for each site where needed. Refer to the most current version of the SEER Program Coding and Staging Manual, 3for details.)
| Blank | Field not coded |