Number beginning with 840 - USDA Compliant Country Code for animals within USA. If you need a microchip for personal or non-official identification, see the 985 - (manufacturing code) LifeChips.
Why might you need the 840 chips instead of the 985 chips?
840 chips are USDA-APHIS approved and require a Premise ID when administered. They are for officially regulated identification. Please confirm with your event which type of chip is required prior to placing your order. Premise IDs can be easily obtained. If you have questions on how to do so, we can point you in the right direction!