It is properly used only for underwriting insurance. Certain excerpts may be shared with an insurance industry organization known as the Medical Information Bureau (MIB) located in Boston which helps provide a check on the accuracy of some information provided on application forms. The insurance company must get your written approval before submitting any data from you or your application to the MIB or getting any information about you from the MIB. You can get more information about the MIB by asking the insurance company, or by checking their website at mib.com.