The chip you never think about until it matters
A microchip is fitted once, usually when your dog is a puppy, and then expected to work silently for the rest of his life. Most do. But chips can occasionally migrate from their original spot between the shoulder blades, drifting down a shoulder or along the chest, and very rarely a chip stops reading. The only day any of that matters is the day your dog is found by a stranger and scanned, which is the worst possible moment to discover a problem you could have checked in seconds at any routine visit.
That is the whole argument for asking. A chip scan at a normal appointment costs your dog nothing, takes almost no time, and converts a hopeful assumption into a verified fact.
How to ask, and when
Mention it when you book, so it lands on the appointment notes, or simply ask as the examination begins: 'Could you scan his chip today, just to check it still reads?' The vet or nurse passes a handheld reader over your dog's shoulders and back; a working chip returns its unique number on the reader's screen with a beep. Most dogs barely notice it happening.
A routine wellness visit is the ideal moment, but the check is worth requesting at any visit where your dog is calm and already being handled: vaccination appointments, weight clinics, pre-travel checks. If your dog has recently been scanned at another practice or a boarding kennel, there is no need to repeat it immediately; once a year or so, and after any long journey or house move, is a sensible rhythm.
What the check actually confirms
First, that the chip is still detectable and reading cleanly, not flickering or failing. Second, where it now sits, which the vet can note on your dog's record so a future scanner knows to search wider if the chip has wandered. Third, and most usefully, the exact number it returns. Ask for that number to be read aloud or shown to you, then compare it on the spot with the number on your own registration paperwork or phone photo of it. A mismatch is rare, but finding one in a calm consulting room is infinitely better than finding one during a lost-dog crisis.
The scan confirms the chip; it does not confirm the database. Your contact details live on the registry the chip number is registered with, and the clinic reading the chip cannot always see whether your phone number there is current. So complete the check yourself afterwards: contact the registry or log in, and confirm the number and address attached to that chip are the ones a finder would need today.
When to make the check a priority
Ask at the very next visit if you have moved house or changed your phone number since the chip was registered, if you adopted your dog and transferred the registration into your name, or if your dog has ever slipped his collar or escaped. Those are the dogs for whom the chip is not a backup but the main plan, and for them a verified chip plus up-to-date registry details is the difference between a phone call within the hour and a dog sitting unclaimed in a kennel.
If the scan finds no chip where one should be, stay calm and ask about the next steps there and then. The vet can scan more widely, check the record of when it was fitted, and discuss fitting a replacement if the original truly cannot be found.
A visible layer alongside the invisible one
A chip only helps once your dog is caught and taken somewhere with a reader. With KinsLe, the Pet Pass gives your dog a verified ID card carrying his identity and your contact details that you can show anywhere, so the person holding him has a clear, immediate way to confirm who he belongs to while the chip does its work in the background.