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NCI is the nation's leader in cancer research.

Providing web-based training modules for cancer registration and surveillance

NCI is the nation's leader in cancer research.
NCI is the nation's leader in cancer research.
NCI is the nation's leader in cancer research.
  1. Home
  2. Archived Modules
  3. Intro to Collaborative Staging (CSv1) Effective Dates 2004 - 2009
  4. General Guidelines for CS
  5. Coding T, N, and M Equivalent
  • Archived Modules
    • Intro to Collaborative Staging (CSv1) Effective Dates 2004 - 2009
      • What is Collaborative Stage (CS)?
        • Review of Staging Systems
        • Background: Meeting a Data Collection Need
        • CS Data Set and Collection
          • TNM Data Collection
          • Collaborative Staging Data Items
        • Review
      • General Guidelines for CS
        • Evaluation Fields
          • CS Tumor Size/Extension Evaluation
          • CS Regular Nodes Evaluation
          • CS Metastases Evaluation
        • Coding T, N, and M Equivalent
          • Coding T Equivalent
            • Coding Tumor Size
              • General Rules
            • Coding Tumor Extension
              • General Rules
            • Coding Tumor Size/Ext-Eval
          • Coding N Equivalent
            • CS Lymph Nodes Coding Rules
            • Coding Reg LNs Positive
              • General Rules
            • Coding Reg LNs Examined
              • General Rules
            • Coding LNs Evaluation
          • Coding M Equivalent
            • General Rules
            • Coding CS Metastasis Evaluation
        • Coding CS Site-Specific Factors
          • Site-Specific Factors Used For Primary Sites & Histology Schemes
      • Additional Information
        • Histology-Specific Coding Schemes
        • Primary Size Extension
        • Mapping and Computer Algorithm
  • Module (ICD-O-3)

Coding T, N, & M Equivalent in CS

Section Topics

  • Collecting T Equivalent
  • Collecting N Equivalent
  • Collecting M Equivalent

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CS Metastases Evaluation

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Coding T Equivalent

Suggested Citation

SEER Training Modules: Coding T, N, & M Equivalent in CS. U.S. National Institutes of Health, National Cancer Institute. Cited 19 December 2025. Available from: https://training.seer.cancer.gov.

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