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, refer to the Collaborative Stage Data Collection System Coding Instructions for rules and guidelines for documenting lymph node involvement.
For cases diagnosed January 1, 2008 forward, apply the Collaborative Staging rules and guidelines for documenting lymph node involvement.
For historic coding instructions, please click here.