[A Standard of Centers for Community Psychiatry in Lower-Saxonia - Checklist and Model Fidelity Scale].

Objective: Definition of a standard for structures and processes of Centers for Community Psychiatry (CCP) that aim at providing mobile, multiprofessional, complex and intensive outpatient care to patients with severe mental illness.

Methods: The standard was developed and consented using a mix-method approach and by involving all relevant stakeholders, including first hand experts and service providers of three CCP model-projects in Lower-Saxonia.

Results: The standard comprises a checklist with 12 binary and obligatory CCP features as well as a model fidelity scale with 45 scaled items in 9 dimensions.

Conclusion: For the first time, a CCP-standard is available that offers a quantifiable and verifiable catalogue of features essential for CCPs. The standard orients at the S3 guideline "Psychosocial Therapies".