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        Alternate Name
        Item #
        Length
        Source of Standard
        Column #
    
    
        Number of Regional Lymph Nodes Examined (SEER)
Regional Lymph Nodes Examined
Pathologic Review of Regional Lymph Nodes (SEER)

        830
        2
        SEER/CoC
        916 - 917
    


Description
Records the total number of regional lymph nodes that were removed and examined by the pathologist. Beginning with tumors diagnosed on or after January 1, 2004, this item is a component of the Collaborative Stage system.
Rationale
This data item serves as a quality measure of the pathologic and surgical evaluation and treatment of the patient.
Codes

    
        
            00
            No nodes were examined
        
        
            01-89
            1-89 nodes were examined (code the exact number of regional lymph nodes examined)
        
        
            90
            90 or more nodes were examined
        
        
            95
            No regional nodes were removed, but aspiration of regional nodes was performed
        
        
            96
            Regional lymph node removal was documented as a sampling, and the number of nodes is unknown/not stated
        
        
            97
            Regional lymph node removal was documented as a dissection, and the number of nodes is unknown/not stated
        
        
            98
            Regional lymph nodes were surgically removed, but the number of lymph nodes is unknown/not stated and not documented as a sampling or dissection; nodes were examined, but the number is unknown
        
        
            99
            It is unknown whether nodes were examined; not applicable or negative; not stated in patient record

00	No nodes were examined
01-89	1-89 nodes were examined (code the exact number of regional lymph nodes examined)
90	90 or more nodes were examined
95	No regional nodes were removed, but aspiration of regional nodes was performed
96	Regional lymph node removal was documented as a sampling, and the number of nodes is unknown/not stated
97	Regional lymph node removal was documented as a dissection, and the number of nodes is unknown/not stated
98	Regional lymph nodes were surgically removed, but the number of lymph nodes is unknown/not stated and not documented as a sampling or dissection; nodes were examined, but the number is unknown
99	It is unknown whether nodes were examined; not applicable or negative; not stated in patient record