Testing Locations » Illinois » Grayville IL » Wabash General Hospital Primary Care – Wabash General Hospital Primary Care – Lab Card Members Only Wabash General Hospital Primary Care – Wabash General Hospital Primary Care – Lab Card Members Only Wabash General Hospital Primary Care – Wabash General Hospital Primary Care – Lab Card Members Only610 North Court StreetGrayville, IL 62844-1002 United States Must call for an appointment. Present the Lab Card and announce you want the Lab Card benefit.