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

Breast

CS Site-Specific Factor 4
Immunohistochemistry (IHC) of Regional Lymph Nodes

CodeDescription
000Regional lymph nodes negative on routine hematoxylin and eosin (H and E), no immunohistochemistry (IHC) 
OR unknown if tested for isolated tumor cells (ITCs) by IHC studies
Nodes clinically negative, not examined pathologically
001Regional lymph nodes negative on routine H and E, IHC studies done, negative for tumor
002Regional lymph nodes negative on routine H and E, IHC studies done, positive for ITCs
(Tumor cell clusters not greater than 0.2 millimeter (mm))
009Regional lymph nodes negative on routine H and E, positive for tumor detected by IHC, size of tumor cell clusters or metastases not stated

Stated as N0(i+) with no further information on regional lymph nodes
888OBSOLETE DATA CONVERTED V0200
See code 987

Not applicable: CS Lymph Nodes not coded 000
987Not applicable: CS Lymph Nodes not coded 000
988Not applicable:  Information not collected for this case
(If this item is required by your standard setter, use of code 988 will result in an edit error.)