Mo. Rev. Stat. § 285.035: Microchip technology, employer not to require employees to be implanted — violation, penalty.

1. No employer shall require an employee to have personal identification microchip technology implanted into an* employee for any reason.

2. For purposes of this section, "personal identification microchip technology" means a subcutaneous or surgically implanted microchip technology device or product that contains or is designed to contain a unique identification number and personal information that can be noninvasively retrieved or transmitted with an external scanning device.

3. Any employer who violates this section is guilty of a class A misdemeanor.