| Item # | Length | Source of Standard | Year Implemented | Version Implemented | Year Retired | Version Retired |
|---|---|---|---|---|---|---|
| 1137 | 3 | NAACCR/SEER | 2025 | 25 |
Pediatric Regional Nodes is part of the Pediatric Staging data collection system and is used to classify the regional lymph nodes involved with cancer at the time of diagnosis. See also Pediatric Primary Tumor [1136] and Pediatric Mets [1138]. Effective for cases diagnosed 1/1/2024 and forward.
Pediatric Regional Nodes is used to calculate Derived Pediatric N [1143] (when applicable). Derivation will occur at the level of the central registry.
| 000 | No regional lymph node involvement |
| 800 | Regional lymph node(s), NOS Lymph node(s), NOS |
| 888 | Not applicable |
| 999 | Unknown; regional lymph node(s) not stated Regional lymph node(s) cannot be assessed Not documented in patient record Death Certificate Only |
Schema-specific codes where needed