Stem Cell Freedom Act.
Wyoming's SF 48, the Stem Cell Freedom Act, allows physicians to recommend and perform stem cell therapy using a patient's own cells (autologous mesenchymal stem cells), provided it follows institutional review board approval, current manufacturing standards, and includes written informed consent acknowledging the therapy isn't FDA-approved. The law prohibits the state board of medicine from disciplining doctors for offering this therapy and prevents state entities from denying patient access. It explicitly excludes abortion-derived materials and states insurers may choose but aren't required to cover the therapy. The bill creates no legal liability for providers who follow its requirements and medical standards.
Bill status
signed
all 5 stages cleared
Introduction
Feb 2026
Committee Review
Feb 2026
Senate Passage
Mar 2026
House Passage
Feb 2026
Signed into Law
Mar 2026
Introduced Feb 10, 2026
Signed Mar 6, 2026
Maddy AI version diff · 1 comparison
What changed between versions
Introduced
→
Enrolled
·
1 edit
·
Mar 6, 2026
MINOR
The bill was finalized and enrolled as Act No. 31, with minor formatting adjustments to the header and title page. The core policy content regarding stem cell therapy definitions, physician requirements, and insurance coverage remained substantively unchanged from the introduced version.
Scope change
The bill's scope and applicability remain unchanged; it continues to authorize physicians to perform specific autologous stem cell therapies that are not yet FDA-approved.
TECHNICAL
The header and title page were updated to reflect the final enrolled status (Act No. 31) and the 2026 Budget Session, replacing the draft 'Introduced' version.
Floor votes · Senate Feb 19, 2026 · House Feb 27, 2026
How they voted
31–0
Passed
Total votes 31
Feb 19, 2026
D
Democratic2
100% Yea
R
Republican29
100% Yea
Vote distribution
All Yea
All Nay
Mixed
No data
Full legislative history
Actions timeline
Total actions
22
Key actions
8
Committee
4
Mar 6, 2026
Signed into law
Governor Signed SEA No. 0031
legislature
Mar 2, 2026
Upper · Passed
S Concur:Passed 31-0-0-0-0
upper
Feb 27, 2026
Lower · Passed
H 3rd Reading:Passed 59-0-3-0-0
lower
Feb 25, 2026
Lower · Passed
H COW:Passed
lower
Feb 25, 2026
Lower · Passed
H10 - Labor:Recommend Amend and Do Pass 9-0-0-0-0
lower
Feb 20, 2026
Introduced
H Introduced and Referred to H10 - Labor
lower
Feb 19, 2026
Upper · Passed
S 3rd Reading:Passed 31-0-0-0-0
upper
Feb 17, 2026
Upper · Passed
S COW:Passed
upper
Feb 16, 2026
Upper · Passed
S10 - Labor:Recommend Amend and Do Pass 5-0-0-0-0
upper
Feb 10, 2026
Introduced
S Introduced and Referred to S10 - Labor 30-0-1-0-0
upper
1 primary · 4 co-sponsors
Sponsors
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