Utah Code § 26B-7-408
Procurement and use of a blood product is a service and not a sale -- Blood donation by a minor.
(1) As used in this section: (a) "Blood" means human blood. (b) "Blood product" includes: (i) whole blood; (ii) blood plasma; (iii) a blood derivative; (iv) blood platelets; and (v) blood clotting agents. (2) The following are considered to be the rendition of a service by each participant and are not considered to be a sale: (a) the procurement, processing, distribution, or use of a blood product for the purpose of injecting or transfusing the blood product into the human body; and (b) the process of injecting or transfusing a blood product. (3) A minor who is at least 16 years old may donate blood to a voluntary, noncompensatory blood donation program if a parent or legal guardian of the minor consents to the donation.