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SB 447

Insurance: insurers; coverage for certain pediatric autoimmune neuropsychiatric disorders; require. Amends 1956 PA 218 (MCL 500.100 - 500.8302) by adding sec. 3406pp.

2025-2026 Regular Session Introduced by Rosemary Bayer and 6 co-sponsors

Michigan bill requires health insurers to cover treatment for PANDAS, a contested pediatric disorder diagnosis, potentially expanding care access but raising medical evidence and cost concerns.

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Bill Summary · SB 447

Legislative bill overview

SB 447 would amend Michigan's insurance code to require insurers to provide coverage for treatment of Pediatric Autoimmune Neuropsychiatric Disorders Associated with Streptococcal Infections (PANDAS). The bill creates a new section in the Michigan Insurance Code establishing mandated coverage requirements for diagnoses and treatments related to this condition.

Why is this important

PANDAS is a controversial diagnosis where streptococcal infections allegedly trigger sudden-onset obsessive-compulsive disorder and other psychiatric symptoms in children. Mandating insurance coverage could significantly impact treatment access and costs, but hinges on medical consensus about the condition's validity and appropriate treatments.

Potential points of contention

  • Medical consensus uncertainty: PANDAS remains controversial in mainstream medicine; major medical organizations (NIH, CDC, American Psychiatric Association) have not formally recognized it as a distinct diagnostic category, raising questions about evidence-based coverage mandates
  • Treatment scope undefined: The bill doesn't specify which treatments would be covered, potentially creating disputes over experimental or unproven interventions (such as antibiotics for non-strep infections or immunological treatments)
  • Insurance cost implications: Mandated coverage increases premiums for all policyholders; the financial impact depends on prevalence estimates and treatment costs, which vary widely in PANDAS literature

Compiled from official sources — confirm details with the bill’s official record.

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