NAACCR Item #3880: LN Isolated Tumor Cells (ITC)

Item # Length Source of Standard Year Implemented Version Implemented Year Retired Version Retired
3880 1 NAACCR 2018 18

NAACCR XML: Tumor.lnIsolatedTumorCells

Description
Lymph Nodes Isolated Tumor Cells (ITC), the presence of isolated tumor cells in regional lymph node(s) that may be detected by hematoxylin and eosin or by immunohistochemical staining, is a potential prognostic factor for Merkel Cell Carcinoma.
Rationale
Regional lymph nodes positive for ITCs
(Tumor cell clusters not greater than 0.2 millimeter (mm))
Codes
0 Regional lymph nodes negative for ITCs
1 Regional lymph nodes positive for ITCs
(Tumor cell clusters not greater than 0.2 millimeter (mm))
8 Not applicable: Information not collected for this case
(If this information is required by your standard setter, use of code 8 may result in an edit error.)
9 Not documented in medical record
ITCs not assessed or unknown if assessed
Each Site-Specific Data Item (SSDI) applies only to selected primary sites, histologies, and years of diagnosis. Depending on applicability and standard-setter requirements, SSDIs may be left blank.