Who can inject
MD, DO, NP, PA, RN under physician supervision
Registered nurses (RNs)
Yes, under physician supervision and delegation; specific protocols required
Nurse practitioners & physician assistants
NP/PA may inject under physician collaboration; independent practice limited
The exam that makes it legal
Required; in-person exam generally required, telehealth varies by board interpretation 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; physician-directed training recommended.
What to verify in Tennessee
Obtain written protocols from the Tennessee Medical Board regarding RN injection authority and ensure a qualified medical director oversees all aesthetic procedures.
Primary source: Tennessee Medical Board; Tennessee Board of Nursing
General business information for Tennessee medical-spa owners, current as of 2026 — not legal advice. State boards update rules often; confirm specifics with the Tennessee board (and your own counsel) before you act.