Indiana Code Title 25. Professions and Occupations § 25-1-22-5

(1) alter or remove physical or anatomical characteristics or features that are typical for the individual's sex;  or

(2) instill or create physiological or anatomical characteristics that resemble a sex different from the individual's sex, including medical services that provide puberty blocking drugs, gender transition hormone therapy, or genital gender reassignment surgery or nongenital gender reassignment surgery knowingly performed for the purpose of assisting an individual with a gender transition.

(1) Medical or surgical services to an individual born with a medically verifiable disorder of sex development, including an individual with:

(2) Medical or surgical services provided when a physician or practitioner has diagnosed a disorder or condition of sexual development that the physician or practitioner has determined through genetic or biochemical testing that the individual does not have normal sex chromosome structure, sex steroid hormone production, or sex steroid hormone action.

(3) The treatment of any infection, injury, disease, or disorder that has been caused by or exacerbated by the performance of gender transition procedures.

(4) Any medical or surgical service undertaken because the individual suffers from a physical disorder, physical injury, or physical illness that would, as certified by a physician or practitioner, place the individual in imminent danger of death or impairment of major bodily function unless the medical or surgical service is performed.

(5) Mental health or social services other than gender transition procedures as defined in subsection (a).

(6) Services for a disorder or condition of sexual development that is unrelated to a diagnosis of gender dysphoria or gender identity disorder.