A permanent method of electronic identification. The chip itself is very small (about the size of a grain of rice). It is implanted subcutaneously (just under the skin) between the shoulder blades at the back of your pet’s neck. Each chip has a unique number that is detected using a microchip scanner. We are able to help you complete the online registration here in the office. There is a registration fee of $19.99. HomeAgain is the company that we currently use.