EOD Mets

Coding mets for the breast is based on several different factors

• No evidence of metastatic disease
  • Default to no metastatic disease when there is no documentation on the metastatic workup.
• Distant lymph node involvement
  • Cervical
  • Contralateral (lymph nodes from opposite breast): axillary, internal mammary, infraclavicular, supraclavicular.
• Other metastatic involvement
  • Most common metastatic sites for breast are bone, liver, brain.

See SEER*RSA, Breast, for the current version of EOD and complete coding instructions for the Breast schema.

Updated: January 10, 2025