Laboratory   Location: 1st floor, south, Medical Center See Satellite Offices Below Phone: (765) 646-8225 (scheduled test) (765) 683-3226 (non-scheduled test) Hours: Inpatient: 7 days per week, 24 Hours Outpatient: 6 a.m. - 6 p.m., Mon. - Fri., at the Outpatient Testing Center, Ambulatory Services Center, 2020 Meridian St.   Emergency testing is available in the ER at night and on weekends. Saint John’s offers a full range of diagnostic tests through laboratory services. Our equipment is among the most sophisticated available. Services are provided according to the above schedule. Routine blood donations may be arranged by calling the Central Indiana Regional Blood Center at (765) 642-0940. Owned or affiliated outreach facilities providing services in addition to the outpatient blood drawing station in the Medical Center. Satellite offices are: Ambulatory Services Center Outpatient Testing Center 2020 Meridian Street, Suite 140 Anderson, IN 46016 (765) 683-3226 Hours: 6 a.m. - 6 p.m., Mon. - Fri. Medical Arts Building 2101 Jackson Street, Room 116 (765) 646-8314 Hours: 8:30 a.m. - 5 p.m., Mon. - Thur. 8:30 a.m. - 3 p.m., Fri. Pendleton Health Center 350 J. H. Walker Drive Pendleton, IN 46064 (765) 778-7518 Hours: 8 a.m. - 5 p.m. Mon., Tues., Thurs., Fri.; and 8 a.m. - noon, Wed.