Who can inject
MD, DO, NP, PA, RN under physician supervision/delegation
Registered nurses (RNs)
Yes, under physician delegation and supervision; scope defined by Board of Nursing
Nurse practitioners & physician assistants
NP/PA may inject under physician collaboration; independent practice not clearly permitted
The exam that makes it legal
Required; in-person or telehealth allowed with physician oversight 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 Washington
Verify RN delegation scope with Washington State Board of Nursing and establish clear protocols for physician oversight of all injections.
Primary source: Washington Medical Commission; Washington State Board of Nursing
General business information for Washington medical-spa owners, current as of 2026 — not legal advice. State boards update rules often; confirm specifics with the Washington board (and your own counsel) before you act.