Training & certification expected
No state-mandated injector training beyond licensure.
The license that lets you inject
MD/DO, NP/PA under physician supervision, RN under physician delegation
If you’re an RN
Yes, under physician delegation; must be supervised by MD/DO
Why the order still matters
Required; in-person or telehealth permitted with physician discretion Training gets you the skill; a valid order or good-faith exam is what keeps the treatment lawful.
What to verify in Missouri
Verify with the Missouri State Board of Nursing and Medical Board that your delegation and supervision protocols comply with current interpretations.
Primary source: Missouri State Board of Nursing and Missouri State Board of Registration for the Healing Arts
General business information for Missouri medical-spa owners, current as of 2026 — not legal advice. State boards update rules often; confirm specifics with the Missouri board (and your own counsel) before you act.