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 About Our Clinical Lab

​​​Our Reference diagnostic laboratory was established in 1973 to serve the needs of physicians throughout Wisconsin, Upper Michigan and Eastern Minnesota. We are a division of the Marshfield Clinic, a highly regarded private medical and research institution, located in Central Wisconsin.

We perform over 25 million tests annually.​

We support diagnostic laboratory medicine by providing:

An extensive test menu of over 1000 clinical and anatomic tests procedures

Accurate and timely testing

Convenient pickup through ground and air courier services

Results when you need them: online, fax, or interface

Access to our services through our Web Portal

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