Who can inject
MD/DO, NP/PA under physician supervision, RN under physician delegation
Registered nurses (RNs)
Yes, under physician delegation and supervision
Nurse practitioners & physician assistants
Can practice under physician collaboration; independent practice limited
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 Idaho
Verify your supervising physician's scope and ensure a written delegation/supervision agreement is in place before RN injectors begin treatment.
Primary source: Idaho State Board of Medicine; Board of Nursing
General business information for Idaho medical-spa owners, current as of 2026 — not legal advice. State boards update rules often; confirm specifics with the Idaho board (and your own counsel) before you act.