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← GlossaryTraceability

Lot Number vs Serial Number

Both lot numbers and serial numbers enable traceability, but they work at different levels. Lot numbers group batches; serial numbers identify individual items.

Lot Number

Batch/Group Identifier

L

LOT-2024-0542

Same number for 500+ items

  • β€’ Groups items made together
  • β€’ Same lot = same production conditions
  • β€’ Useful for batch recalls
  • β€’ Tracks expiration dates

Serial Number

Unique Item Identifier

S

SN-X7K9M2P4

Unique to one item only

  • β€’ One number per item
  • β€’ Tracks individual unit history
  • β€’ Useful for warranty claims
  • β€’ Enables asset lifecycle tracking

Comparison

FactorLot NumberSerial Number
ScopeGroup/batch of itemsIndividual item
UniquenessShared by many itemsGlobally unique per item
Tracking effortLower (group level)Higher (item level)
Best forPerishables, chemicals, pharmaElectronics, equipment, assets
Recall precisionEntire batchSpecific unit only

Industry Examples

Industries Using Lot Numbers

  • Food & Beverage (expiration tracking)
  • Pharmaceuticals (FDA compliance)
  • Cosmetics (batch recalls)
  • Chemicals (safety data sheets)
  • Automotive parts (production batches)

Industries Using Serial Numbers

  • Consumer electronics (warranty)
  • Medical devices (patient safety)
  • Heavy equipment (maintenance history)
  • Vehicles (VIN tracking)
  • IT assets (lifecycle management)

Track lots and serials with StockZip

StockZip supports both lot and serial number tracking. Scan items, record batch information, and maintain full traceability for compliance and recalls.

Need help? We've got answers

Common questions about scanning, offline mode, pricing, and migration.

A lot number identifies a batch of identical items made together. A serial number uniquely identifies a single individual item. Lot numbers group items; serial numbers distinguish them.