A common form of medical ID is jewelry with a logo or inscription identifying a particular medical condition, according to My Identity Doctor. The jewelry can be made of stainless steel, which is most recommended, gold, silver or silicone. There are also wallet cards, necklaces, dog tags, sport identification bands and USB cards, explains the Hydrocephalus Association.
There is a type of medical alert tag that contains a USB device, notes Top Ten Reviews. The USB device holds the wearer's personal medical information. Engraving can appear on the outside of the medical tag to indicate a person's most critical information. The user can use any computer system to update the information so that medical personnel has up-to-date data. Registration of the tags usually comes with a printable, wallet-sized medical identification card.
In 2014, Tap2Tag introduced a variety of near field communication key fobs, wristbands, stickers and cards, states NFC World. Using the company's website, users upload the information they want available to medical personnel. In an emergency, a paramedic or other person with an NFC phone can tap the phone against the NFC medical identification device to garner the person's information from a secure cloud server. The system automatically sends an alert message to family or friends via text or email medical information access occurs.