Section 405IAC5-20-1. Reimbursement limitations

   (a) Medicaid reimbursement is available for mental health services provided by licensed physicians, psychiatric hospitals, general hospitals, psychiatric residential treatment facilities for children under twenty-one (21) years of age, outpatient mental health facilities, and psychologists endorsed as health service providers in psychology subject to the limitations set out in this rule. For purposes of this rule, "psychiatric residential treatment facility" or "PRTF" means a facility that meets the requirements set forth in section 3.1 of this rule.

  (b) Reimbursement for inpatient psychiatric services is not available in institutions for mental diseases for a member under sixty-five (65) years of age unless the member is under twenty-one (21) years of age, or under twenty-two (22) years of age and had begun receiving inpatient psychiatric services immediately before his or her twenty-first birthday.

  (c) Medicaid reimbursement is available for inpatient psychiatric services provided to an individual between twenty-two (22) and sixty-five (65) years of age in a certified psychiatric hospital of sixteen (16) beds or less.

  (d) Prior authorization is required for all inpatient psychiatric admissions including admissions for substance abuse. (Office of the Secretary of Family and Social Services; 405 IAC 5-20-1; filed Jul 25, 1997, 4:00 p.m.: 20 IR 3333; readopted filed Jun 27, 2001, 9:40 a.m.: 24 IR 3822; filed Mar 22, 2004, 3:15 p.m.: 27 IR 2476; readopted filed Sep 19, 2007, 12:16 p.m.: 20071010-IR-405070311RFA; readopted filed Oct 28, 2013, 3:18 p.m.: 20131127-IR-405130241RFA; filed Aug 1, 2016, 3:44 p.m.: 20160831-IR-405150418FRA)