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
| 00 | No distant metastasis |
| 70 | Distant metastasis, NOS |
| 88 | Not applicable |
| 99 | Unknown; distant metastasis not stated Not documented in medical record Death Certificate Only |
Code Notes
Schema-specific codes where needed