Indiana Code Title 12. Human Services § 12-15-12-6

Sec. 6. (a) A Medicaid recipient may be admitted to a hospital by a physician other than the recipient's managed care provider if the recipient requires immediate medical treatment.

(b) The admitting physician shall notify the recipient's managed care provider of the recipient's admission not more than forty-eight (48) hours after the recipient's admission.

(c) Payment for services provided a recipient admitted to a hospital under this section shall be made only for services that the office or the contractor under IC 12-15-30 determines were medically reasonable and necessary.