« All Events This event has passed. Mercy Laboratory Services-Clayton Clarkson April 25 @ 10:45 pm CSGNA » Add to calendar Google Calendar iCalendar Outlook 365 Outlook Live Details Date: April 25, 2024 Time: 10:45 pm Venue Mercy Laboratory Services-Clayton Clarkson 15945 Clayton Road Ballwin, MO 63011 United States + Google Map