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Bill

SB 129

INSURERS: Requires health insurers to cover proton therapy for cancer patients. (8/1/25) (EN NO IMPACT See Note)

2025 Regular Session Introduced by Tehmi Chassion and 1 co-sponsor

Louisiana requires health insurers to cover proton therapy for cancer patients, expanding treatment access but potentially increasing insurance costs starting August 1, 2025.

Signed by the Speaker of the House.
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Bill Summary · SB 129

Legislative bill overview

SB 129 mandates that health insurers operating in Louisiana must provide coverage for proton therapy as a cancer treatment option. The bill became effective on August 1, 2025, and was signed into law by the Governor in June 2025.

Why is this important

Proton therapy is an advanced form of radiation treatment that can be more precise than traditional radiation, potentially reducing side effects for some cancer patients. This mandate affects insurance coverage decisions and patient access to treatment options, with potential cost implications for insurers and healthcare consumers through premiums.

Potential points of contention

  • Cost burden: Proton therapy is significantly more expensive than conventional radiation therapy (often $20,000-$30,000+ more per treatment course), which may increase insurance premiums for all policyholders
  • Clinical evidence gaps: Medical consensus on proton therapy's superiority is mixed—it shows benefits for specific cancer types and patient populations, but broad coverage mandates may require payment for cases with limited evidence of better outcomes
  • Insurance market impact: Mandated coverage requirements can affect insurer participation in state markets and premium pricing, potentially influencing coverage availability and affordability

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

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