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Framework that allows defining file formats (layouts) and use them to read and write data files.

There is a newer version: 6.2


    
        Alternate Name
        Item #
        Length
        Source of Standard
        Column #
    
    
        Grade, Differentiation, or Cell Lineage Indicator (SEER/CCCR)
Grade/Differentiation (CoC)

        440
        1
        SEER/CoC
        555 - 555
    


Description
Code for the grade or degree of differentiation of the reportable tumor. For lymphomas and leukemias, field also is used to indicate T-, B-, Null-, or NK-cell origin.

Note: Code 8 was adopted for use with lymphoma cases diagnosed in 1995 and later.

Codes  

    See the grade tables on page 67 of
        ICD-O-3.¹⁶ See also the most recent
        CoC FORDS manual and SEER Program Code Manual, for site specific coding rules and conversions.
    

    
        
            1
            Grade I
        
        
            2
            Grade II
        
        
            3
            Grade III
        
        
            4
            Grade IV
        
        
            5
            T-cell
        
        
            6
            B-cell
        
        
            7
            Null cell
        
        
            8
            NK (natural killer) cell
        
        
            9
            Grade/differentiation unknown, not stated, or not applicable
        
    

Comment: Use the most recent Hematopoietic and Lymphoid rules for assigning grades 5-8.

1	Grade I
2	Grade II
3	Grade III
4	Grade IV
5	T-cell
6	B-cell
7	Null cell
8	NK (natural killer) cell
9	Grade/differentiation unknown, not stated, or not applicable