# Lot Number Traceability in Supply Chains

*Last updated: 2026-06-25*

> Lot number traceability gives supply chain participants a structured method for following a specific production batch from manufacture through every intermediate stage to final delivery, using a unique lot identifier assigned at the point of production.

Lot number traceability gives supply chain participants a structured method for following a specific production batch from manufacture through every intermediate stage to final delivery, using a unique lot identifier assigned at the point of production. When a defect or contamination surfaces, the lot number allows the recall to be scoped precisely, limiting disruption to the confirmed batch only. For pharmaceuticals, food, and chemicals, regulatory authorities in most markets mandate lot-level records, and customs inspections may verify their completeness on import. Unlike a serial number—which identifies a single unit—a lot number refers to all units produced under identical conditions in one production run.

**Source:** [https://www.gs1.org/standards/traceability](https://www.gs1.org/standards/traceability)

## Quick Facts

| Property | Value |
|---|---|
| Term | Lot Number Traceability in Supply Chains |
| Language | EN |
| Word count | 103 |
| Last updated | 2026-06-25 |
| Source | https://www.gs1.org/standards/traceability |

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