The best option for you is a Protective Medical Decisions Document from the Patients Rights Council. To obtain a PMDD packet, phone the PRC (800-958-5678 or 740-282-3810) between 8:30am and 4:30pm (eastern time). For more info, click here.
In case of an emergency use HALO’s LAMP Form, however, it should be revoked by you and replaced as soon as possible with a life-affirming state-specific document.