Skip to Main Content
Data Standards and Data Dictionary

* indicates required field

Length: 8
Source of Standard: SEER/CoC
Section Name: Cancer Identification
Record Types: A, M, C, I

XML NAACCR ID: dateOfDiagnosis

Parent XML Element: Tumor

Alternate Names:

  • Date of Initial Diagnosis (CoC)

Required Status:

NPCR Collect: R - Required
CoC Collect: R - Required
SEER Collect: R - Required
CCCR Collect: R - Required

Description:

Date of initial diagnosis by a recognized medical practitioner for the tumor being reported whether clinically or microscopically confirmed. See Data Descriptor Table for date format.

For more discussion on determining date of diagnosis, consult the SEER Program Coding and Staging Manual or CoC STORE manual.

Format:

YYYYMMDD

Item Data Type:

date

Allowable Values

Valid date