Michigan · 2025-2026

SB 400

Insurance: health insurers; prior authorization for certain opioid use disorder and alcohol use disorder medications; prohibit. Amends 1956 PA 218 (MCL 500.100 - 500.8302) by adding sec. 3406ww.

Bill record: Open States bulk CSV (bills/votes) CC0-1.0

Summary AI-generated

Michigan Senate Bill 400 proposes to amend the Insurance Code of 1956 by adding a new section that prohibits health insurers from requiring prior authorization for certain medications used to treat opioid use disorder and alcohol use disorder.

Software-generated, grounded only in the bill's own fields (it does not invent outcomes, amounts, or dates). Provenance: Open States bulk CSV (bills/votes) CC0-1.0 GovTally LLM enrichment (local oMLX)

Issue tags AI-classified

Classified by a local model from the bill's text; confidence shown. GovTally LLM enrichment (local oMLX)

Sponsors + 1 cosponsors

Roll-call votes on this bill

QuestionChamberResultYeaNayOtherDateSource
PASSED ROLL CALL # 195 YEAS 36 NAYS 0 EXCUSED 1 NOT VOTING 0 upper pass 36 0 1 Jul 1, 2025 Open States bulk CSV (bills/votes) CC0-1.0