Washington HB1038

A health care provider licensed under this title may not knowingly engage in or cause any of the following practices to be performed on a minor if the practice is performed for the purpose of attempting to alter the appearance of, or affirm the minor's perception of, the minor's gender or sex, if that appearance or perception is inconsistent with the minor's sex: (a) Prescribing or administering [...] drugs used to block the androgen receptor, or any drug to suppress or delay normal puberty; (b) Prescribing or administering testosterone, estrogen, or progesterone to a minor in an amount greater than would normally be produced endogenously in a healthy individual of that individual's age and sex;