Alternate Name Item# Length Source of Standard Column #
Date Therapy Initiated (SEER)
Date Started (SEER)
1260 8 SEER 1436-1443

Description
Date of initiation of the first course therapy for the tumor being reported, using the SEER definition of first course. See also Date of 1st Crs RX--CoC [1270]. See Chapter V, Unresolved Issues, for further discussion of the difference between SEER and CoC items. See page 99 for date format. Use DATE OF INITIAL RX FLAG [1261] if there is no appropriate or known date for this item.

Clarification of NPCR Required Status
Central registries funded by NPCR are required to collect either Date of Initial RX--SEER [1260] or Date of 1st Crs RX--CoC [1270].