Rule 24-2-16.1 - Determinations of Serious Emotional Disturbance (SED), Serious Mental Illness (SMI), and/or Intellectual/Developmental Disability (IDD)A. All of the following information must be documented to support a determination of serious emotional disturbance: 1. Child/youth has at least one (1) of the eligible diagnosable mental disorders defined in the most current version of the Diagnostic and Statistical Manual of Mental Disorders (DSM).2. Child/youth with serious emotional disturbance are birth up to twenty-one (21) years.3. The identified disorder must have resulted in functional impairment in basic living skills, instrumental living skills, or social skills, as indicated by an assessment instrument/approach approved by DMH.B. All of the following information must be documented to support a determination of serious mental illness and/or substance use disorder: 1. A person who meets the criteria for one (1) of the eligible diagnostic categories defined in the most current version of the Diagnostic and Statistical Manual of Mental Disorders.2. Adults with serious mental illness and/or substance use disorders are age eighteen (18) and over.3. The identified disorder must have resulted in functional impairment in basic living skills, instrumental skills or social skills, as indicated by an assessment instrument/approach approved by DMH.C. All of the following must be documented to determine eligibility and support admission to IDD services: 1. All people interested in IDD Services must first be determined eligible through an evaluation by the Diagnostic and Evaluation Team at one of the State's ICF/IID Regional Programs.2. For ID/DD Waiver Services, the person: (a) Meets the criteria for the level of care found in an intermediate care facility for individuals with intellectual disabilities (ICF/IID);(b) Has an intellectual disability, developmental disability, and/or Autism Spectrum Disorder as defined in the approved waiver application; and,(c) Is eligible for Medicaid through one (1) of the categories specified in the federally approved ID/DD Waiver application.3. For IDD Community Support Program (CSP), the person: (a) Has an intellectual disability, developmental disability, and/or Autism Spectrum Disorder(b) Meets the Needs-Based Criteria established in the 1915(i) Medicaid State Plan Amendment and(c) Is eligible for Full Medicaid Benefits and(d) Is eighteen (18) years of age or older and no longer attends school; and/or,(e) Eligibility for IDD Targeted Case Management is the same as IDD Community Support Program but may be provided to people of all ages.4. Other IDD Services: Meets the requirements for a Certificate of Developmental Disability as defined in the Developmental Disabilities Assistance Act. Section 41-4-7 of the Mississippi Code, 1972, as Amended