Mich. Comp. Laws § 32.1115: Feigning illness, physical disablement, mental lapse, or derangement, or intentionally inflicting self-injury to avoid work, duty, or service; punishment.

Sec. 115.

A person subject to this code who for the purpose of avoiding work, duty, or service feins illness, physical disablement, mental lapse, or derangement, or intentionally inflicts self-injury, shall be punished as a court-martial directs.