I understand I may revove this authorization at any time. I understand that if I revoke this authorization, I must do so in writing and present my written revocation to the health information management department, I understand that the revocation will not apply to information that has already been released I response to this authorization. I understand that the revocation will not apply to my insurance company when the law provides my insurance with the right to contest a claim under my policy. Unless otherwise revoked, this authorization will expire on the following date, event, or condition: