Metadata
- Code
- VITAMIN_B12
- Unit
- pg/mL
- Category
- Vitamins
- Subcategory
- —
Reference Ranges
| Range type | Value |
|---|---|
| Male reference | Reference range pending |
| Female reference | Reference range pending |
| Optimal | 400–900 pg/mL |
Sex-specific reference ranges from the registry. Generic reference_range column is not used.
Provenance
Source documentation pending — reference ranges are under citation review.
Used in Patterns
Pattern cards in progress for this biomarker category.
Validation Snapshot
NHANES validation pending — no Tier A representative dataset run yet for this biomarker.