| Item # | Length | Source of Standard | Year Implemented | Version Implemented | Year Retired | Version Retired |
|---|---|---|---|---|---|---|
| 3706 | 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.
| Blank | Field not coded |