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Dual Diagnosis Case Management

Cota’s Dual Diagnosis Case Management service provides individualized support to clients living with a co-occurring developmental disability and a diagnosis of serious mental illness. In addition, there is Dual Diagnosis and Justice Case Management (DD & J CM) for clients with dual diagnosis who have involvement with the criminal justice system. Dual Diagnosis Case Managers work collaboratively with their clients to assist them with living safe, active and fulfilling lives within the community.

Services Offered

Our services are flexible and responsive to the unique needs and desires of each client. The supports offered to clients typically include:

  • Assessment of service needs
  •  Collaborative development of a personalized safety/crisis plan
  •  Collaborative development and implementation of an individualized goal plan
  •  Assistance to achieve/maintain optimum health and wellness; in accordance with the individual's goals
  • Direct support in the areas of:
    • education about dual diagnosis;
    • maintenance and/or enhancement of the individual's support network including education and support as appropriate
    • development and maintenance of self-management strategies
    • development/maintenance of abilities relating to activities of daily living
    • encouragement, emotional support and motivation; and
    • referring to and accessing other desired/needed community and primary health care services.

Services Available To

Adults (16 years +) typically with a mild to moderate developmental disability and a diagnosis of serious mental illness who want to work with a case manager towards identified goals. To be eligible for DD & J Case Management, individuals must meet the previously stated eligibility criteria plus have current involvement with the justice system and/or be assessed as being at significant risk of involvement with the justice system. Furthermore, DD & J CM referrals can be from designated priority referral sources which include Mental Health Court Support Services, Police, Probation/Parole, the Law & Mental Health program at CAMH, Ontario Shores' Forensic Unit and other funded Mental Health & Justice services.


Cota’s Dual Diagnosis Case Management services are available to people living within the City of Toronto (inclusive of Etobicoke, Scarborough, North York and downtown Toronto).

To Make a Referral

Any caregiver, professional and prospective client can make a referral to Cota’s Dual Diagnosis Case Management Services by contacting Cota’s Client Services at 416-785-9230 to request a referral form.

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