Collaborative Stage for TNM 7 - Revised 11/12/2010  [ Schema ]

Appendix

CS Site-Specific Factor 11
Histopathologic Grading

CodeDescription
010For NON-MUCINOUS tumors:
    Well differentiated
    Grade 1/4
011For MUCINOUS tumors:
    Grade 1/2
    Grade 1/3
    Grade 1/4
    Low grade
    Well differentiated

Stated as Grade 1 with no information on the total number of codes in the grading system
020For NON-MUCINOUS tumors:
    Moderately differentiated
    Grade 2/4
021For MUCINOUS tumors:
    Grade 2/2
    Grade 2/3
    Grade 2/4
    Grade 3/3
    Grade 3/4
    High grade
    Moderately differentiated
    Poorly differentiated

    Stated as Grade 2 or Grade 3 with no information on the total number of codes in the grading system
030For NON-MUCINOUS tumors:
    Poorly differentiated
    Grade 3/4
040For NON-MUCINOUS tumors:
    Undifferentiated
    Grade 4/4
988Not applicable: Information not collected for this case
(If this information is required by your standard setter, use of code 988 may result in an edit error.)
998No pathologic confirmation of primary site tumor
999Unknown or no information
Not documented in patient record