Who can inject
MD/DO, NP/PA independently or under collaboration, RN under physician delegation
Registered nurses (RNs)
Yes, under physician delegation; RNs have broad injection authority
Nurse practitioners & physician assistants
NP/PA may practice independently or under collaboration; broad autonomy
The exam that makes it legal
Required; in-person or telehealth allowed A valid order or good-faith exam by an authorized provider is what makes an injection lawful — not simply who holds the syringe.
Training expected
No state-mandated injector training beyond licensure.
What to verify in Arizona
Ensure all injectors (RN, NP, PA, MD) maintain current licensure and document good-faith exams; verify your specific service scope with the Arizona Medical Board.
Primary source: Arizona Medical Board; Arizona Board of Nursing
General business information for Arizona medical-spa owners, current as of 2026 — not legal advice. State boards update rules often; confirm specifics with the Arizona board (and your own counsel) before you act.