Michigan Compiled Laws, Chapter 259. Aviation § 259.188

Sec. 188. (1) A person who operates or who is a crew member of an aircraft over or upon the lands or waters of this state is considered to have given consent to chemical tests of his or her blood, breath, or urine for the purpose of determining the amount of alcohol or the presence of a controlled substance, or both, or the presence of any drug or combination of drugs that renders a person incapable of safely operating an aircraft or acting as a crew member of an aircraft, in his or her blood if the person is arrested for a violation of section 185  1 or a local ordinance substantially corresponding to section 185(1), (2), or (3).

(2) A person who is afflicted with hemophilia, diabetes, or a condition requiring the use of an anticoagulant under the direction of a physician shall not be considered to have given consent to the withdrawal of blood.

(3) The tests shall be administered as provided in section 187.  2