The State Hygienic Laboratory in Coralville, Ankeny, and Lakeside will be closed on Monday, May 26, 2025 in observance of Memorial Day. Throughout the holiday the courier will run as usual. In the event of an emergency contact the State Hygienic Laboratory Duty Officer via Campus Security at 319-335-5022. Calls are answered 24 hours a day, seven days a week. Newborn Screening testing is performed seven days a week even on weekends and holidays. Critical and outbreak testing is performed on weekends and holidays as necessary.