What does the Do not resterilize symbol look like?

The word STERILIZE with the number 2 above it, inside a circle crossed by a diagonal bar. It is also called “2 STERILIZE crossed out”, “Do not re-sterilize”, “Do not resterilise” and “No resterilization”.

Which standard defines the Do not resterilize symbol?

It is listed as ISO 15223-1-5.2.6.

Do not resterilize symbol: the word STERILIZE with the number 2 above it, inside a circle crossed by a diagonal bar — ISO 15223-1-5.2.6

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Medical device label symbols Medical device & pharmacy labels

Do not resterilize

The word STERILIZE with the number 2 above it, inside a circle crossed by a diagonal bar. · also called “2 STERILIZE crossed out”, “Do not re-sterilize”, “Do not resterilise”, “No resterilization”

What the Do not resterilize symbol means

Must not be sterilised again

The device is not to be resterilised. Do not put it through any sterilisation process again.

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 Do not resterilize symbol

What does the Do not resterilize symbol mean?: The device is not to be resterilised. Do not put it through any sterilisation process again.
What does the Do not resterilize symbol look like?: The word STERILIZE with the number 2 above it, inside a circle crossed by a diagonal bar. It is also called “2 STERILIZE crossed out”, “Do not re-sterilize”, “Do not resterilise” and “No resterilization”.
Which standard defines the Do not resterilize symbol?: It is listed as ISO 15223-1-5.2.6.

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

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