Alternate Name | Item# | Length | Source of Standard | Column # |
---|---|---|---|---|
Primary Site (1973-91) (SEER) | 1960 | 4 | SEER | 1909-1912 |
For tumors diagnosed before 1992, contains the ICD-O-1 site code as originally coded, if available. Blank for tumors coded directly into ICD-O-2 (i.e., 1992 and later tumors). |