NAACCR Item #1145: Derived Pediatric Stage Group

Item # Length Source of Standard Year Implemented Version Implemented Year Retired Version Retired
1145 3 NAACCR/SEER 2025 25
NAACCR XML: Tumor.derivedPediatricStageGroup
Description
Derived Pediatric Stage Group is derived using the Pediatric Stage Data Items (Derived Pediatric T \[**1142\]**, Derived Pediatric N **\[1143\]** and Derived Pediatric M **\[1144\]**) algorithm. Other data items may be included in the derivation process. Effective for cases diagnosed 1/1/2024 and forward.
Rationale
Derived Pediatric Stage Group can be used to evaluate disease spread at diagnosis, treatment patterns and outcomes over time.