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Human Reference Manual

12/26/2019:  Test Code STFRSO (Soluble Transferrin Receptor (sTfR), Serum) will temporarily be being performed once every 3 – 4 days instead of daily because the calibrator is on backorder. A notice will be sent once daily testing resumes.
2/6/2020:  Due to reagent issues test results for GANGPSO: Ganglioside Antibody Panel, Serum  to Mayo Clinic Laboratories will be delayed. Specimens will be held until testing resumes and notification will be sent when testing resumes.
02/18/20: The following assay is temporarily unavailable at Marshfield Labs:  Thyroid Antibody (Anti-TPO).  Testing has been referred to Mayo Medical Laboratory. 
2/26/2020:  Testing for the following analytes will be unavailable due to INSTRUMENTATION DOWNTIME:  A-M, A, ABC-M, ABC, AB, HCVAB, CA-125, BCA, CA19-9, CEA, MYO-S, MYO. Any panels that include the listed analytes will be also be held.   
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Welcome to Marshfield Labs - Reference Services

Marshfield Labs Reference Diagnostics 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.

As part of a large medical and research institution, we offer a comprehensive menu of laboratory tests. Our Research Foundation promotes the development of new assays; continually expanding our list of available tests. Guidance in interpretation and utilization of our extensive test menu is provided by our team of pathologists and PhDs.

Working together to meet your needs every day is the goal of our Marshfield Lab staff. 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, interfaced
  • Access to our service through our Web Portal

We look forward to working with you.

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