Medical care for minorsRestriction▾
Proposition 135 bans sex-trait surgeries on minors. It is not a ban on puberty blockers or cross-sex hormones. On 18 May 2026 the Colorado Supreme Court ordered Children's Hospital Colorado to restore puberty blockers and cross-sex hormones for minors while the case proceeds (Boe v. Children's Hospital Colorado).
Proposition 135 (Colorado Secretary of State); 2026 CO 32
MedicaidSuspended pending the legislature▾
Colorado suspended Medicaid and CHP+ coverage of puberty blockers, cross-sex hormones and surgeries for minors on 13 Oct 2026. Coverage stays suspended until lawmakers act.
Colorado Sun, 21 Aug 2026
State employeesCovers▾
SportsSex-based▾
Girls' sports are protected. Nov 3, 2026: voters approved Proposition 134 (~52.7% yes). It keeps K-12 and college teams separated by sex, so males stay out of girls' and women's teams.
Proposition 134 (Colorado Secretary of State)
FacilitiesNo state law▾
No state law keeps males out of women's and girls' bathrooms and changing rooms.
No state law identified (statute review, Oct 2026)
Pronouns and parent noticeNo state law▾
No state law requires schools to tell parents if their child socially transitions at school.
No state law identified (statute review, Oct 2026)
CurriculumGender-identity content required▾
State law requires schools to include LGBT content in the curriculum.
LGBTQ-inclusive curricular standards. See HB1192 (2019).
Sex definitionNo state law▾
No state law defines male and female by biology.
No state law identified (statute review, Oct 2026)
ID markersBirth-certificate sex changed by self-declaration▾
Birth-certificate sex changed by self-declaration; licence sex changed by self-declaration. 'X' marker offered.
Correct or change a birth certificate | Colorado Department of Public Health and Environment (cdphe.colorado.gov)
Shield lawShield law▾
This state shields providers and patients from out-of-state investigations and lawsuits over these procedures for minors.
SB23-188
AdultsNo state law▾
No state law restricts adults or public funding for adult sex-change procedures.
No state law identified (statute review, Oct 2026)
DetransitionNo state law▾
No special right for detransitioners to sue.
No state law identified
PrisonsCase-by-case (consent decree)▾
Housing decided case by case, and inmates may be placed by identified gender; a 2024 consent decree created transgender units.
CDOC AR 700-14; Raven v. Polis consent decree (2024)
Pending billsNo active bills▾
No active bills (checked 13 Oct 2026). The 2026 regular session has adjourned (or the legislature does not meet in 2026), so 2025-26 bills are no longer moving. LegiScan search linked.
LegiScan search, checked 13 Oct 2026 (adjourned legislature)
LitigationActive▾
Boe v. Children's Hospital Colorado, 2026 CO 32 (18 May 2026). Plaintiff in Illinois v. HHS (D. Mass., filed 2 Sept 2026) challenging the CMS funding rule.
Boe v. Children's Hospital Colorado, 2026 CO 32 (Colo. 18 May 2026)
Key datesDate▾
Nov 3, 2026: voters approved Proposition 133 (~61.8% yes), life in prison without parole for child sex trafficking. Voters also passed Proposition 134, which protects girls' sports, and Proposition 135, which bans sex-trait surgeries on minors.
Proposition 133 (Colorado Secretary of State)
Sources
- Proposition 135 (Colorado Secretary of State); 2026 CO 32
- Medical care for minors — court opinion
- Colorado Sun, 21 Aug 2026
- HB25
- LGBTQ-inclusive curricular standards. See HB1192 (2019).
- Correct or change a birth certificate | Colorado Department of Public Health and Environment (cdphe.colorado.gov)
- SB23-188
- CDOC AR 700-14; Raven v. Polis consent decree (2024)
- LegiScan search, checked 13 Oct 2026 (adjourned legislature)