California Cancer Reporting System Standards Volume I: Abstracting and Coding Procedures for Hospitals
For cases diagnosed January 1, 2010 and forward, or following installation of CSv2 software, see Section I.1.6.4 and Section I.1.6.5 for Coding and Entering Dates.
Enter the date of the earliest surgical diagnostic and/or staging procedure in this field.
Consult with your software vendor for specific data entry instructions.