Because of the need to process death certificants in a timely fashion, ICU physicians may need to fill out this paperwork during off hours.
The cell number to use to call Medical Records for Death Certificates on the weekends/holidays from 8:00 am to 4:30 pm is (313) 229-7627
The process for completing this paperwork is here
Also, here is a template for the areas that physicians need to complete on a standard death certificate.