Brief Service Description: This service provides 24-hour access to continuous intensive evaluation and treatment delivered in an Institute for Mental Disease (IMD) for acute and subacute inpatient psychiatric disorders. Delivery of service is provided by nursing and medical professionals under the supervision of a psychiatrist. Providers must follow the requirements for inpatient level of care outlined in Clinical Coverage Policy (CCP) 8-B, Inpatient Behavioral Health Services.
Auth Submission Requirements/ Documentation Requirements
Pass-Through Period: Prior authorization is not required for the first 72 hours of service.
Initial Requests (after pass-through):
1. TAR: prior authorization required within the first 72 hours of service initiation.
2. CCA or DA: Required. See CCP Section 7.5 for additional requirements. An H&P/ Initial Psychiatric Evaluation may satisfy this requirement.
3. Service Order: Required, signed by a physician, LP, PA, or NP. A signed H&P/ Initial Psychiatric Eval meets this requirement.
4. Service Plan: Required
5. Submission of all records that support the individual has met the medical necessity criteria.
Reauthorization Requests:
1. TAR: prior authorization required.
2. Updated Service Plan: Required
3. Submission of applicable records that support the member has met the medical necessity criteria.
Authorization Parameters
Length of Stay:
1. Members receiving tx for MH diagnoses are limited to no more than 15 authorized days each calendar month. For admissions spanning two consecutive months, the total length of stay may exceed 15 days, but no more than 15 days may be authorized in each month. There is not a day limit for members receiving SU services.
2. For State ADATC’s, the initial authorization will be for at least 7 days.
3. Reauth requests must be submitted prior to the end of the current auth. A late submission resulting in unauthorized days requires splitting the stay for claims payment purposes.
4. Retrospective auths due to late submissions is not permitted.
Units: Per diem based on the midnight bed count
Age Group: Adults aged 21-64
Place of Service: Institute for Mental Disease (IMD)
Service Specifics, Limitations/ Exclusions (not all inclusive):
1. The case management component of IIH, MST, CST, ACT, SAIOP, SACOT & CADT can be provided to those admitted to or discharged from this service. Support provided should be delivered in coordination with the Inpatient facility.
2. Medicaid eligibility must be verified each time a service is rendered.
3. Discharge Planning shall begin upon admission to this service.
4. Prior authorization is not required for MCD BH Services rendered to Medicare/Medicaid dual eligible members or members with 3rd-party insurance because MCD is the payer of last resort. When MCD becomes the primary payer, a primary payer auth denial/ exhaustion of benefits letter is submitted with the MCD TAR.
5. Out-of-State emergency admissions do not require prior approval. The provider must contact Trillium within one business day of the emergency service or emergency admission.
- Clinical Coverage Policy No. 8-B, Inpatient Behavioral Health Services
- July 2012 MCD Bulletin: Authorization Requests by Psychiatric Inpatient Acute C…
- JCB #J277: Authorization Requests for Services When a Third-Party Payer is Prim…
- JCB #J265: Clarification of Services in an IMD
- JCB #J348: SUD IMD Clarification
- APSM 45-2 Records Management and Documentation Manual