When should I go to residential treatment for mental health?

Consider residential treatment when outpatient therapy and medication have not produced adequate improvement, symptoms are causing significant functional impairment, or you need a structured environment to stabilize.

Does insurance cover mental health residential treatment?

Yes, under the Mental Health Parity Act, insurance must cover mental health treatment at the same level as medical treatment. Residential mental health care may require prior authorization from your insurer.

Does insurance cover addiction treatment?

Yes, under the Mental Health Parity and Addiction Equity Act and the Affordable Care Act, most insurance plans must cover substance use and mental health treatment at the same level as medical care.

What if my insurance claim is denied?

You have the right to appeal. Request the denial in writing, ask for a peer-to-peer review between your clinician and the insurer, and file a formal appeal. Many denials are reversed on appeal.

Insurance & cost

A guide to single case agreements for mental health treatment

Published June 14, 2025 · 8 min read · Updated April 2026

Last medically reviewed: April 2026

Reviewed for accuracy by licensed clinical professionals. Editorial process.

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.