Mich. Comp. Laws § 550.1438

Sec. 438. (1) Notwithstanding any other provision of this act, a health care corporation may limit the benefits it will furnish to an eligible child enrolled in the program to the following primary health care benefits: (a) Doctor office visits for a sick child. (b) Medically necessary outpatient diagnostic tests. (c) Emergency medical and accident care in a doctor's office or hospital's emergency room. (d) Medically necessary outpatient surgery and anesthesia. (e) Preventive care, including, but not limited to, immunizations and well-child visits to a doctor's office. (f) Outpatient substance abuse care. (2) With the commissioner's approval, a health care corporation may provide other health care benefits in addition to the primary health care benefits set forth in subsection (1).