Q: Is conversion therapy illegal in California?
A: For anyone under 18, yes: "Under no circumstances shall a mental health provider engage in sexual orientation change efforts with a patient under 18 years of age."¹ Doing it is unprofessional conduct and subjects the provider to discipline by their licensing board.² "Mental health provider" is defined broadly — psychiatrists, psychologists, marriage and family therapists, clinical social workers, professional clinical counselors, school psychologists, and their registered associates and trainees.³
Three precisions that most write-ups drop.
- It stops at 18. There is no California provision reaching adult patients. We looked for one; a 2018 bill that would have made selling these services to adults an unlawful business practice died without becoming law, and California's consumer-remedies statute contains nothing on the subject today.⁴
- It is not a crime. The enforcement route is licensing discipline, not prosecution.²
- It binds licensed providers. Someone counselling outside the definition of a mental health provider is not covered by this article.³
What the law does not prohibit — and this matters if you are choosing a therapist. The statute expressly carves out psychotherapy that provides "acceptance, support, and understanding of clients or the facilitation of clients' coping, social support, and identity exploration and development," including orientation-neutral work to address unsafe practices — provided it does not seek to change sexual orientation.⁵ Both halves are required. Exploring who you are is not conversion therapy; trying to change who you are is.
On insurance, the accurate version is narrower than the headline. California has no standalone mandate requiring plans to cover gender-affirming care — the 2005 act everyone points to says in its own text that it "is not intended to mandate that health care service plans or insurers must provide coverage for any particular benefit."⁶ What it does is bar discrimination. Health plans may not deny or limit coverage because of sex, which by statutory definition includes gender identity and gender expression;⁷ insurance policies name gender identity and gender expression expressly.⁸ The regulator's instruction to health plans is the sentence to quote: plans must "provide transgender individuals with the same contracts and coverage benefits that are available to non-transgender individuals," and must remove exclusions of transgender or gender-transition services.⁹ On the insurance side there is an actual regulation: a policy may not deny services related to gender transition "if coverage is available for those services under the policy when the services are not related to gender transition," naming hormone therapy, hysterectomy, mastectomy and vocal training.¹⁰
But medical necessity review survives all of it. The health-plan letter preserves case-by-case medical-necessity and utilisation-management decisions, and the insurance regulation says it "shall have no bearing on the question of whether or not a particular health care service is medically necessary in any individual case."⁹ ¹⁰ Which is why the appeal route matters: a denial on medical-necessity grounds goes to the free, binding Independent Medical Review.⁹ How that works →
Medi-Cal covers it. "Treatment for gender dysphoria is a covered Medi-Cal benefit when medically necessary," including mental and behavioural health services, hormone therapy and surgical procedures — with medical necessity assessed and services recommended by treating clinicians experienced in this care.¹¹ Managed care plans "may not categorically exclude health care services related to gender transition."¹²
One thing we cannot tell you is protected: whether a plan may require a letter from a mental health professional before authorising care. We searched California's statutes, regulations and plan guidance and found nothing addressing it — and Medi-Cal's own manual says medical necessity "is assessed and services shall be recommended by treating licensed mental health professionals and physicians and surgeons experienced in treating patients with gender dysphoria."¹¹
Do this: if a therapist's approach makes you uneasy, you can ask one direct question on a consult call — "Do you ever work toward changing a client's sexual orientation or gender identity?" There is no good-faith answer to that except no. If you believe a licensed provider did this to a minor, the route is a complaint to their licensing board, which is the body the statute names.² How to check and report a licence → · Starting points written for this →
Sources
- Business & Professions Code §865.1 — leginfo.legislature.ca.gov.
- Business & Professions Code §865.2 — sexual orientation change efforts attempted on a patient under 18 "shall be considered unprofessional conduct and shall subject a mental health provider to discipline by the licensing entity."
- Business & Professions Code §865(a) — the definition of "mental health provider," added by SB 1172 (Stats. 2012, Ch. 835), effective 1 January 2013.
- AB 2943 (2017–2018) — ordered to the inactive file on 31 August 2018 and not enacted before the session ended — leginfo.legislature.ca.gov. Civil Code §1770, the list of unlawful consumer practices, contains no provision on the subject.
- Business & Professions Code §865(b)(1)–(2), as amended by SB 1491 (Stats. 2018, Ch. 703) — leginfo.legislature.ca.gov.
- AB 1586 (Stats. 2005, Ch. 421), Section 3 (chaptered text not retrievable at re-verification; quotation from our August 2026 reading) — the act "is not intended to mandate that health care service plans or insurers must provide coverage for any particular benefit… Rather, the purpose of this act is to prohibit plans and insurers from denying an individual a plan contract or policy, or coverage for a benefit included in the contract or policy, based on the person's sex, as defined."
- Health & Safety Code §1365.5(a)–(b) and (e) — the nondiscrimination provisions, with "sex" defined as "gender" under Penal Code §422.56, which provides that "'Gender' means sex, and includes a person's gender identity and gender expression" — leginfo.legislature.ca.gov.
- Insurance Code §10140(a) and (h) — leginfo.legislature.ca.gov.
- Department of Managed Health Care Director's Letter 12-K, "Gender Nondiscrimination Requirements," 9 April 2013 (an image-only PDF; quotations from our August 2026 reading, not re-verifiable by text on 12 September 2026) — plans must "provide transgender individuals with the same contracts and coverage benefits that are available to non-transgender individuals," must remove exclusions related to gender transition services, and may still conduct medical necessity determinations and utilisation management case by case, with denials on those grounds "subject to review through the Department's Independent Medical Review (IMR) process" — dmhc.ca.gov. Reconstructive surgery is separately mandated by Health & Safety Code §1367.63, which also provides that only a licensed physician competent to evaluate the clinical issues may deny an initial authorisation request.
- Cal. Code Regs. tit. 10, §2561.2(a)(4)(A) and (b) — insurance.ca.gov.
- Medi-Cal Provider Manual, "Part 2 – Transgender Services" — files.medi-cal.ca.gov.
- Department of Health Care Services All Plan Letter 20-018, "Ensuring Access to Transgender Services," 26 October 2020 — dhcs.ca.gov.
All statutes and regulations read 17 August 2026. This page describes California law; it is not legal advice.