What does the Batch code (LOT) symbol look like?

The word LOT in bold capitals inside a rectangular frame. It is also called “Batch code”, “Batch number”, “LOT” and “Lot number”.

Which standard defines the Batch code (LOT) symbol?

It is listed as ISO 15223-1-5.1.5 and ISO 7000-2492.

Batch code (LOT) symbol: the word LOT in bold capitals inside a rectangular frame — ISO 15223-1-5.1.5, ISO 7000-2492

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Medical device label symbols Medical device & pharmacy labels

Batch code (LOT)

The word LOT in bold capitals inside a rectangular frame. · also called “Batch code”, “Batch number”, “LOT”, “Lot number”

What the Batch code (LOT) symbol means

Batch or lot number

The code printed next to LOT is the manufacturer's batch (lot) number, which identifies the production batch the device or kit belongs to. It lets that batch be identified, for example in records or when contacting the manufacturer.

Source · Official website Medical device manufacturer's digital symbols glossary · checked Nov 11, 2026

Where it appears

Medical device label

ISO 15223-1
—This meaning

Questions about the Batch code (LOT) symbol

What does the Batch code (LOT) symbol mean?: The code printed next to LOT is the manufacturer's batch (lot) number, which identifies the production batch the device or kit belongs to. It lets that batch be identified, for example in records or when contacting the manufacturer.
What does the Batch code (LOT) symbol look like?: The word LOT in bold capitals inside a rectangular frame. It is also called “Batch code”, “Batch number”, “LOT” and “Lot number”.
Which standard defines the Batch code (LOT) symbol?: It is listed as ISO 15223-1-5.1.5 and ISO 7000-2492.

Checked against the source · Nov 11, 2026 · How we verify

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