Effective January 1, 2026, the following outpatient laboratory (PSC’s) hours will be updated.
Corewell Health Big Rapids Hospital Laboratory
605 Oak St., Big Rapids, 49307
Monday to Friday: 6:30 a.m. to 6 p.m.; Saturday: 7 a.m. to 11 a.m.
Corewell Health Gerber Hospital Laboratory – Newaygo
211 W. Pine Lake Drive, Newaygo, 49337
Monday to Thursday: 7 a.m. to noon.,12:30 p.m. to 3 p.m.; Friday: 7 a.m. to noon
Corewell Health Greenville Hospital Laboratory
615 S. Bower St., Greenville, 4883
Monday to Friday: 6:30 a.m. to 6 p.m.; Saturday: 7 a.m. to 11 a.m.
Corewell Health Greenville Hospital Laboratory – Lakeview
8650 W Howard City-Edmore Road, Lakeview, 48850
Monday to Friday: 7 a.m. to 3:30 p.m.; Saturday: 8 a.m. to noon
Corewell Health Lakeland Hospitals Laboratory – Niles
31 N. St. Joseph Ave., Niles, 49120
Monday to Friday: 6:30 a.m. to 5 p.m.; Saturday: 7 a.m. to 11 a.m.
Corewell Health Pennock Hospital Laboratory
1009 W. Green St., Hastings, 49058
Monday to Friday: 6 a.m. to 6 p.m.; Saturday: 7 a.m. to 11 a.m.
Corewell Health Pennock Hospital Laboratory – Lake Odessa
4294 Laurel Drive, Lake Odessa, 48849
Monday to Friday: 7 a.m. to 3 p.m.
Corewell Health Reed City Hospital Laboratory
300 N. Patterson Road, Reed City, 49677
Monday to Friday: 6:30 a.m. to 6 p.m.; Saturday: 7 a.m. to 11 a.m.
Corewell Health Watervliet Hospital Laboratory
400 Medical Park Drive, Watervliet, 49098
Monday to Friday: 7 a.m. to 3:30 p.m.
Corewell Health Zeeland Hospital Laboratory
8333 Felch St., Zeeland, 49464
Monday to Friday: 6 a.m. to 6 p.m.; Saturday: 7 a.m. to 11 a.m.
For more information:
X18870 – Laboratory Locations (Updated 12.2025)
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