Cal. Health and Safety Code § 24174 : California Health And Safety Code — Miscellaneous Health And Safety Provisions — Human Experimentation — "Medical experiment" defined Date: 15 Sep 2016 TEXT PDF Current through the 2016 Legislative Session As used in this chapter, "medical experiment" means: (a) The severance or penetration or damaging of tissues of a human subject or the use of a drug or device, as defined in Section 109920 or 109925, electromagnetic radiation, heat or cold, or a biological substance or organism, in or upon a human subject in the practice or research of medicine in a manner not reasonably related to maintaining or improving the health of the subject or otherwise directly benefiting the subject. (b) The investigational use of a drug or device as provided in Sections 111590 and 111595. (c) Withholding medical treatment from a human subject for any purpose other than maintenance or improvement of the health of the subject. Ca. Health and Saf. Code § 24174