About Coronavirus Testing Mason City, IA at North Iowa Event Center (MercyOne North Iowa)
This testing site if only for those who have been pre-screened and referred. You must contact the COVID-19 call center at (641) 494-3543, (641) 494-3546 or (641) 494-3547. A nurse will instruct you on the best next steps for your care and whether you qualify for testing, based on your symptoms.