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What does the price look-up (PLU) code on produce indicate?

Dr. Michael Roizen, MD
Internal Medicine
The little tag on fruits and vegetables -- called the price look-up (PLU) code -- holds a world of info:
  • A four-digit PLU code starting with the number 4 indicates conventionally grown and not genetically modified. Produce with this code may have been sprayed with synthetic pesticides.
  • A five-digit code beginning with 9 indicates organic, not genetically modified.
  • A five-digit code starting with an 8 indicates genetically modified.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.