Section 11002 Of Chapter 1. General Provisions And Definitions From California Health And Safety Code >> Division 10. >> Chapter 1.

. "Administer" means the direct application of a controlled substance, whether by injection, inhalation, ingestion, or any other means, to the body of a patient for his immediate needs or to the body of a research subject by any of the following:
  (a) A practitioner or, in his presence, by his authorized agent.
  (b) The patient or research subject at the direction and in the presence of the practitioner.