| Item # | Length | Source of Standard | Year Implemented | Version Implemented | Year Retired | Version Retired |
|---|---|---|---|---|---|---|
| 3,880 | 1 | NAACCR | 2018 | 18 |
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.
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.