If there's availability for a same-day appointment at LABCORP | WALGREENS-KNOXVILLE, then you will be able to book it easily through LabFinder. Where is LABCORP | WALGREENS-KNOXVILLE located? LABCORP | WALGREENS-KNOXVILLE is located at 9536 South Northshore Drive Knoxville , Tennessee , 37922 TN..