A Permanent ID That Travels With Your Pet

Collars fall off. Tags fade. But a microchip — a tiny transponder the size of a grain of rice, implanted just under the skin between your pet’s shoulder blades — stays with them for life. It’s the single most reliable way to ensure a lost pet finds their way home, and the statistics are compelling: microchipped dogs are returned to their owners 52 percent of the time versus just 22 percent for unchipped dogs. For cats, the numbers are even more dramatic — 39 percent return rate for chipped cats versus under 2 percent for unchipped ones.

Despite these numbers, only about 12 percent of dogs and 2 percent of cats in shelters have microchips. The procedure is simple, affordable, and virtually painless, yet many pet owners put it off or don’t realize it’s an option. Here’s everything you need to know about getting your pet chipped and making sure it actually works when it matters.

How Microchipping Works

A pet microchip is a passive RFID (Radio Frequency Identification) transponder enclosed in biocompatible glass. It doesn’t have a battery, GPS, or any active components — it sits inert under the skin until a scanner passes over it, at which point it transmits a unique identification number. That number is linked to your contact information in a pet recovery database, which shelters and veterinarians access when a found pet is scanned.

The implantation process takes about five seconds. A veterinarian or trained technician uses a hypodermic needle slightly larger than those used for routine vaccinations to inject the chip between the shoulder blades. Most pets react no more than they would to a standard vaccination — a brief pinch, then it’s over. No anesthesia is required, though many owners choose to have it done during a spay/neuter surgery when the pet is already under anesthesia.

What It Costs

Microchipping typically costs between $25 and $75 at a veterinary clinic, which includes the chip, implantation, and initial registration in a recovery database. Many animal shelters and rescue organizations include microchipping in their adoption fee, and low-cost vaccination clinics frequently offer chipping at reduced rates — sometimes as low as $10 to $15.

Some microchip companies charge an annual registration renewal fee of $10 to $20, while others offer lifetime registration for a one-time fee of $20 to $35. Check which database your chip is registered with and whether ongoing fees apply — free registration options exist through services like the Found Animals registry.