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Human Reference Manual

03/20/2020:  Per Mayo Labs:  Effective immediately test HIVPR (HIVPRSO-HIV-1 Genotype Drug Resistance to Protease and Reverse Transcriptase Inhibitors, Plasma) is non-orderable. 
07/10/2020:  The following tests may be delayed due to testing schedule changes:   HS12PCR and VZVPCR (lesion sources only). 
06/18/20: Due to a manufacturer's reagent issue, Rapid Plasma Reagin testing (RPR) will be sent to Mayo Labs until further notice .  This will cause delayed results for syphilis tests where the RPR test is reflexed or ordered alone.
06/29/2020:  Per Mayo Labs:  CLLFSO - Chronic Lym Leuk, FISH (CLLF) Test Code:  CLLFSO is currently down.  Recommended Alternative Test:  FISH, B-Cell Chronic Lymphocytic Leukemia Panel  Test ID: FBCEL   
06/29/2020:  Per Mayo Labs:  FMDSSO - Myelodysplastic Syn FISH(MDSF) is down.  Test Code:  FMDSSO  Recommended Alternative Test:  FISH, MDS/Myeloid Panel, -5/5q-, -7/7q-, +8, 20q-  Test ID: FFMDS
08/27/2020:  Per Mayo Labs:  Due to lack of reagent kits, the Gastrointestinal Pathogen Panel, PCR, Feces (Mayo Code GIP - Marshfield code GIPSO) will be non-orderable, effective immediately.There is no single equivalent alternative test at Mayo Labs.   
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 Laboratory News 2020
 Laboratory News 2019
 Laboratory News 2018
 Laboratory News 2017
 Laboratory News 2016
 Laboratory News 2015
 Laboratory News 2014
 Laboratory News 2013
 Laboratory News 2012

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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