Except where there is an agreement or local law which provides otherwise, the coroner shall be responsible for carrying out the duties required for proper transportation of a body to a forensic sciences laboratory for the purpose of performing an autopsy or any other postmortem examination ordered pursuant to Section 36-18-2. The coroner shall be responsible for storage of a body prior to transportation to a forensic sciences laboratory when necessary. Upon receipt of an order issued pursuant to Section 36-18-2, the coroner shall coordinate with the Department of Forensic Sciences regarding the storage and transportation of the body to the forensic sciences laboratory designated by the Department of Forensic Sciences.