D.C. Code 7-403(f)
Liability: Opioid Antagonist
An individual who, in good faith and without compensation, administers an opioid antagonist to a person believed to be suffering from an opiate overdose will not be held legally responsible. They can be held legally responsible if acting with extreme carelessness or intent to cause harm.
Seeking health care for an overdose victim
(f) Notwithstanding any other law, it shall not be considered a crime for a person to possess or administer an opioid antagonist, nor shall such person be subject to civil liability in the absence of gross negligence, if he or she administers the opioid antagonist: (1) In good faith to treat a person who he or she reasonably believes is experiencing an overdose; (2) Outside of a hospital or medical office; and (3) Without the expectation of receiving or intending to seek compensation for such service and acts.