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, Tumor Markers 1-3 and Tumor Marker California 1 (HER2/neu) are collected as site-specific factors. Refer to Collaborative Stage Data Collection System Coding Instructions - Site Specific Factor Fields (Part 1, Section 2).
For historic coding instructions, please click here.