Insurance & cost
A guide to single case agreements for mental health treatment
A single case agreement (SCA) is a one-time contract between an insurance company and an out-of-network provider to cover a specific patient's treatment at in-network rates. If the treatment you need is only available from an out-of-network provider, an SCA can save you thousands of dollars.
When SCAs apply
Insurance companies are most likely to approve SCAs when no in-network provider offers the specialized treatment you need (such as OCD-specific ERP, specific trauma modalities, or niche population programs), when in-network providers have wait times that are clinically inappropriate, when your treatment has already begun with an out-of-network provider and transferring would disrupt care, or when geographic barriers make in-network options inaccessible.
How to request one
Step 1: Document that in-network options are inadequate — call 3-5 in-network providers and document their wait times, specialties, and any reasons they cannot meet your needs. Step 2: Have your treating provider write a clinical letter explaining why this specific out-of-network treatment is medically necessary and why in-network alternatives are insufficient. Step 3: Call your insurance company and request an SCA with the member services department. Ask for the SCA or out-of-network exception team. Step 4: Submit the clinical letter, your documentation of in-network inadequacy, and the out-of-network provider's treatment plan and rate schedule. Step 5: Negotiate — the insurer may offer in-network rates, a percentage of their usual and customary rate, or a flat per-diem. Any reduction from full out-of-network rates is a win.
Tips for success
Be persistent. Initial denials are common and often reversed on appeal. Document everything in writing. Ask your provider to participate in the process — many experienced treatment providers have staff dedicated to SCA negotiations. Know your state's parity laws and network adequacy requirements, as these strengthen your position.
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How to choose a treatment center: The complete checklistWhat does insurance actually cover for addiction and mental health treatment?Understanding relapse: Why it happens and what to do nextHow much does rehab actually cost in 2026? A real breakdownDisclaimer: Informational only. Not medical advice. Need help? Call SAMHSA: 1-800-662-4357.