NAACCR Item #3881: LN Laterality
| Item # | Length | Source of Standard | Year Implemented | Version Implemented | Year Retired | Version Retired |
|---|---|---|---|---|---|---|
| 3,881 | 1 | NAACCR | 2018 | 18 |
NAACCR XML: Tumor.lnLaterality
Description
This data item describes whether positive regional lymph nodes are unilateral or bilateral.
Rationale
Laterality of regional node metastasis is a Registry Data Collection Variable in AJCC. This data item was previously collected as Vulva, CS SSF# 11.
Codes
| 0 | No regional lymph node involvement |
| 1 | Unilateral - all positive regional nodes with same laterality OR only one regional node positive |
| 2 | Bilateral - positive bilateral regional lymph nodes |
| 3 | Laterality unknown - positive regional lymph nodes with unknown laterality |
| 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 Lymph node laterality 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.