The OSF Medical Group, Ottawa office at 1614 E. Norris Dr., will temporarily adjust its lab hours. 

Effective Thursday, the lab will be open weekdays from 7:30 a.m. to noon.

OSF Occupational Health walk-in drug screen services only will be available, weekdays from 7:30 a.m. to 11 a.m.

OSF Medical Group patients can use the OSF St. Elizabeth Medical Center – Outpatient Lab, which is open weekdays from 6:30 a.m. to 6 p.m. and from 6:30 a.m. to 1 p.m. Saturday.