WyomingSF 482026 Budget SessionSenate

AN ACT relating to public health and safety; authorizing physicians to recommend and perform stem cell therapy on patients as specified; allowing health care insurers to cover stem cell therapy as specified; prohibiting the state board of medicine from taking action against a physician's license due to the use or promotion of stem cell therapy; prohibiting the state of Wyoming from denying patients access to stem cell therapy; providing that no cause of action is created against a person properly performing stem cell therapy; requiring compliance as specified; amending the powers of the Wyoming state board of medicine; providing definitions; and providing for an effective date.

Sponsored By: Eric Barlow (Republican)

Signed by Governor

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Bill Overview

Analyzed Economic Effects

4 provisions identified: 1 benefits, 1 costs, 2 mixed.

Patients gain stem cell options with safeguards

Beginning July 1, 2026, Wyoming patients can receive stem cell therapy that lacks Food and Drug Administration approval. The law covers treatment using a patient's own mesenchymal stem cells, including collection, processing, growth, manufacturing, storage and use. It excludes biological material derived from abortion. Treatment needs current institutional review board approval or an investigational product that completed phase one clinical trials and remains under investigation. Cells must be manufactured and handled under current good manufacturing practice standards. A Wyoming-licensed doctor—not a physician assistant—must have a doctor-patient relationship and be registered with Wyoming's medical board. The doctor must administer treatment or directly supervise it; other activities also require doctor supervision. Patients or their legal representatives must sign informed consent covering the treatment, its unapproved status, possible benefits, risks, complications and financial responsibility. The medical board must publish a public list of qualified, registered doctors. People cannot claim to offer therapy under this law without complying; other treatments already allowed by law remain allowed.

Stem cell insurance coverage remains optional

Beginning July 1, 2026, health insurers may cover costs associated with stem cell therapy, but coverage is not required. Your insurer's decision and your plan's terms determine whether it pays. The law does not guarantee payment or lower your out-of-pocket costs.

Patients get no new lawsuit right

Beginning July 1, 2026, this law creates no new private right to sue people involved in stem cell care or manufacturing. This applies when they follow the law and medical standards of care. The law does not state that existing legal claims are eliminated.

Stem cell protections, but treatment stays voluntary

Beginning July 1, 2026, Wyoming and local government officials, employees and agents cannot block or attempt to block patient access. Licensed health care providers can still give advice about stem cell therapy that follows medical standards of care. Wyoming's medical board cannot revoke, suspend, refuse to renew or otherwise act against a doctor's license solely for recommending or performing stem cell therapy. That protection requires the doctor to be registered under the law and follow medical standards of care. Authorized providers and manufacturers do not have to offer therapy or supply stem cells, so access is not guaranteed.

Sponsors & Cosponsors

Sponsor

  • Eric Barlow

    Republican • Senate

Cosponsors

  • Ken Clouston

    Republican • House

  • Jeremy Haroldson

    Republican • House

  • Evie Brennan

    Republican • Senate

  • Lynn Hutchings

    Republican • Senate

Roll Call Votes

All Roll Calls

Yes: 165 • No: 0

Senate vote • 3/2/2026

S Concur:Passed 31-0-0-0-0

Yes: 31 • No: 0

House vote • 2/27/2026

H 3rd Reading:Passed 59-0-3-0-0

Yes: 59 • No: 0

House vote • 2/25/2026

H10 - Labor:Recommend Amend and Do Pass 9-0-0-0-0

Yes: 9 • No: 0

Senate vote • 2/19/2026

S 3rd Reading:Passed 31-0-0-0-0

Yes: 31 • No: 0

Senate vote • 2/16/2026

S10 - Labor:Recommend Amend and Do Pass 5-0-0-0-0

Yes: 5 • No: 0

Senate vote • 2/10/2026

S Introduced and Referred to S10 - Labor 30-0-1-0-0

Yes: 30 • No: 0

Actions Timeline

  1. Assigned Chapter Number 64

    3/6/2026
  2. Governor Signed SEA No. 0031

    3/6/2026Governor
  3. H Speaker Signed SEA No. 0031

    3/3/2026House
  4. S President Signed SEA No. 0031

    3/2/2026Senate
  5. Assigned Number SEA No. 0031

    3/2/2026
  6. S Concur:Passed 31-0-0-0-0

    3/2/2026Senate
  7. S Received for Concurrence

    3/2/2026Senate
  8. H 3rd Reading:Passed 59-0-3-0-0

    2/27/2026House
  9. H 2nd Reading:Passed

    2/26/2026House
  10. H COW:Passed

    2/25/2026House
  11. H Placed on General File

    2/25/2026House
  12. H10 - Labor:Recommend Amend and Do Pass 9-0-0-0-0

    2/25/2026House
  13. H Introduced and Referred to H10 - Labor

    2/20/2026House
  14. H Received for Introduction

    2/19/2026House
  15. S 3rd Reading:Passed 31-0-0-0-0

    2/19/2026Senate
  16. S 2nd Reading:Passed

    2/18/2026Senate
  17. S COW:Passed

    2/17/2026Senate
  18. S Placed on General File

    2/16/2026Senate
  19. S10 - Labor:Recommend Amend and Do Pass 5-0-0-0-0

    2/16/2026Senate
  20. S Introduced and Referred to S10 - Labor 30-0-1-0-0

    2/10/2026Senate
  21. S Received for Introduction

    1/29/2026Senate
  22. Bill Number Assigned

    1/16/2026

Bill Text

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