Mo. Rev. Stat. § 537.038
Any person may, without compensation, render emergency care or assistance at the scene of an emergency or accident and shall not be liable for any civil damages for acts or omissions other than damages occasioned by gross negligence or by willful or wanton acts or omissions by such person in rendering such emergency care.
(L. 2025 H.B. 225 merged with S.B. 271)