Each diver is required to have Dive Accident insurance. Divers must note the company and policy number on the Application.  The Hyperbaric Chamber donation fee does not cover any medical expenses if needed.  Traditional Health Insurance and Travel Insurance policies do not cover hyperbaric treatment or emergency evacuation caused by the activity of scuba diving.  A Dive Accident policy or rider to a Travel Insurance policy is required.  DAN.og and DiveAssure.com are common Dive Accident Insurance companies that also offer Travel Insurance.  There are many other Dive Accident and Travel Insurance companies offered around the world.  Best to research what is available in your home country.