Eliana Whitecomb said she went to the company's Naperville location in January, but never received proof of her positive test results.
In a statement, the company said the omicron surge"provided enormous unforeseen challenges" and"for a short time, lab results were delayed." The company added that it closed all locations over the weekend to train staff. Those locations reopened Monday. In addition, Northshore Clinical Labs is also under investigation by both the Illinois Department of Public Health and the Illinois Attorney General's office, theIn a message on its website, Northshore Clinical Labs said it has"terminated all third-party operation of COVID-19 testing pop-up sites, while we focus on improving processing and PCR result times during this period of extraordinarily high demand.