NAACCR Item #1138: Pediatric Mets

Item # Length Source of Standard Year Implemented Version Implemented Year Retired Version Retired
1138 2 NAACCR/SEER 2025 25

NAACCR XML: Tumor.pediatricMets

Description

Pediatric Mets is part of the Pediatric Staging data collection system and is used to classify the distant site(s) of metastatic involvement at time of diagnosis. See also Pediatric Primary Tumor [1136] and Pediatric Regional Nodes [1137]. Effective for cases diagnosed 1/1/2024 and forward.

Rationale

Pediatric Mets is used to calculate Derived Pediatric M [1144] (when applicable). Derivation will occur at the level of the central registry.

Codes
00No distant metastasis
70Distant metastasis, NOS
88Not applicable
99Unknown; distant metastasis not stated Not documented in medical record Death Certificate Only

Schema-specific codes where needed