The UIDL Client Services and Billing teams are here to support healthcare professionals and our mutual patients with specimen collection and transport, orders and result reporting, and billing.

We are committed to providing an efficient and stress-free referral testing experience.

Contact information and hours of operation

Client Services

Available: 8:00 AM–5:00 PM, Monday–Friday

Billing

Available: 8:00 AM–4:30 PM, Monday–Friday

Holiday closures and deliveries outside of normal business hours

The UIDL Test Directory outlines specimen rejection criteria and testing schedules to help you plan specimen collection and transport. For questions and help with deliveries outside of our normal business hours, please contact the Specimen Control Call Center at 319-356-3527.

UIDL holiday closures

December 24, 2024TuesdayChristmas Eve
December 25, 2024WednesdayChristmas Day
January 1, 2025WednesdayNew Years Day
January 20, 2025MondayMartin Luther King Jr. Day
May 26, 2025MondayMemorial Day
July 4, 2025FridayIndependence Day
September 1, 2025MondayLabor Day
November 27, 2025ThursdayThanksgiving
November 28, 2025FridayBlack Friday