305 ILCS 5/5-5.4k
Notwithstanding any other provision of this Code, effective for dates of service on and after January 1, 2022, the medical assistance program shall separately reimburse at the prevailing fee schedule, for long-acting injectable medications administered for mental health or substance use disorder in the hospital inpatient setting, and which are compliant with the prior authorization requirements of this Section. The Department, in consultation with a statewide association representing a majority of hospitals and Managed Care Organizations shall implement, by rule, reimbursement policy and prior authorization criteria for the use of long-acting injectable medications administered in the hospital inpatient setting for the treatment of mental health disorders.
305 ILCS 5/5-5.4k