Nobody likes to wait for their lab test results. At Mercer Health, our comprehensive laboratory services allow us to get results to your physician in a timely manner. We are conveniently located at Mercer County Community Hospital in Coldwater and in Celina at the Community Medical Center and the Celina Pro Health facility on Pro Drive.

Mercer Health also offers Patient Authorized, Direct Access Testing to the community.

Transfusion services, hematology, urinalysis, immunology, chemistry, microbiology, histology, and cytology are the special services provided by our experienced staff of medical technologists, medical laboratory technicians, and phlebotomists.

Whether your test results are sent to a local physician or to one that is out of the area, we provide accurate information to assist them in the determination of your overall health, in the diagnosis of disease, and in setting and monitoring a treatment plan that is best for you.

Here are our hours of operation for each of our centers:

Mercer County Community Hospital Lab Phone: 419-678-5122

Routine outpatient Mon-Sat 7:00am-7:00pm
Histology Mon-Fri 7:30am-4:00pm
Clinical Lab 24 hrs per day, 7 days per week


Community Medical Center Lab Phone: 419-586-1611

Mon-Fri 7:00am-5:00 pm

Celina Pro Health Center Lab Phone: 419-584-1972

Mon-Thurs 7:00am-4:30pm

Friday 6:00am-12 noon


  • Our Lab sites are accredited by The Joint Commission
  • We also have our Blood Bank accredited by the American Association of Blood Blanks (AABB)
  • Our Medical Director is certified by the American Board of Pathologists.