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Data Standards and Data Dictionary

* indicates required field

Length: 8
Source of Standard: SEER
Section Name: Treatment-1st Course
Record Types: A, M, C, I

XML NAACCR ID: dateInitialRxSeer

Parent XML Element: Tumor

Alternate Names:

  • Date Therapy Initiated (SEER)
  • Date Started (SEER)
  • Date of Initial RX--SEER

Required Status:

NPCR Collect: R#* - Required; when available; Central registries may code available data using either SEER or CoC data items and associated rules
CoC Collect: . - No recommendations
SEER Collect: R - Required
CCCR Collect: . - No recommendations

Description:

Date of initiation of the first course therapy for the tumor being reported, using the SEER definition of first course. See also Date 1st Crs RX CoC [1270]. See Chapter V, Unresolved Issues, for further discussion of the difference between SEER and CoC items. See Data Descriptor Table for date format. 

Formerly Date of Initial RX--SEER.

Clarification:

Clarification of NPCR Required Status

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

Format:

YYYYMMDD

Item Data Type:

date

Allowable Values

Valid dates