Inside the iPhone’s Health App, the app that counts your steps and hooks up with other apps to monitor your activity and health, lives your Medical ID. This is a page containing everything important that you might want a doctor or first responder to know in an emergency, and is accessible from your iPhone’s lock screen without a password.
By default, the app only contains your name, and a few details automatically culled from your address book, but fleshing it out is quick and easy. Here’s how to set up your Medical ID with any and all the information you want to make available.