Iowa Code 331.801
A County Medical Examiner shall be appointed by the Board of Supervisors for a two (2) year term. The term of office shall commence on the first day in January which is not a Sunday or holiday and continue for two (2) years or until a successor is appointed and qualifies as provided in this section. A vacancy shall be filled by the Board of Supervisors for the unexpired term.
To serve as a county Medical Examiner a person shall be licensed in this state as a doctor of medicine and surgery, a doctor of osteopathic medicine and surgery, or an osteopathic physician. The Medical examiner shall be appointed by the Board of Supervisor from lists of two (2) or more names submitted by the medical society and the osteopathic society of the county in which the candidate resides. If names are not submitted by either society, the board may appoint any licensed physician, osteopathic physician and surgeon or osteopathic physician of the county. If a qualified physician of the county will not serve, the Board of Supervisors may appoint a physician from another county. If a county medial examiner is unable to serve in a particular case or for a period of time, the medical examiner shall promptly notify the chairperson of the Board of Supervisors who shall designate some other qualified physician to serve temporarily,
The Board of Supervisors may provide laboratory facilities, deputy medical examiners, and other professional, technical and clerical assistance as required by the county medical examiner in the performance of official duties. However, the requirements shall be subject to prior approval by the state medical examiner.