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Human Reference Manual

  
2/9/24:  Effective 7/17/23: MISC: Plasminogen Activator Inhibitor Antigen, Plasma (PAI1) to Mayo Labs is delayed due to instrument issues. Test will remain orderable and specimens will be stabilized until testing resumes.
2/9/24: Effective 12/14/23  DIAZSO (DIA to Mayo) is non-orderable due to instrument issues and assay redevelopment.  Alternative Test: Diazepam and Metabolites, Serum. Referral Lab Code: 1501SP, TEST ID: ZW86. Order a MISC. Mayo forwards to NMS 
2/9/24: Effective 12/14/23  CLONSO (CZPS to Mayo) is non-orderable due to instrument issues and assay redevelopment.  Recommended alternative: Clonazepam and Metabolite, Serum.  TEST ID: FCLMS to Mayo ordered as a MISC in Cerner.
Effective 2/28/24: HPPSO: Pancreatic Polypeptide, Plasma test is experiencing delays due to assay issues. Specimens will be stabilized upon arrival at Mayo Clinic Labs & be tested once issues are resolved.
Effective 8/23/24: Due to increased test volume, ZT4DIAL at Mayo has been placed in a temporary down. Mayo's recommended alternative test id: FFT4F.
Effective 3/21/25: BIOTESO is delayed due to reagent issues up to 12 additional days. This day is expected to last for 60 days or more.
Effective 4/15/25:  Per Mayo Labs the TSI test is delayed. Turnaround time is expected to be 7 to14 days for a minimum of four weeks. An update  will be provided when turnaround time returns to normal.
Effective 4/21/25: MUMPDSO is non-orderable due to reagent backorder. This is expected to last 3 weeks. Mayo's recommended alternative: Mumps Virus Antibody, IgM; Test ID: ZW242; Referral Lab Code: 0099589.
Effective 4/30/25 Due to assay performance issues, test Parathyroid Hormone-Related Peptide, Plasma (PTHRSO) is  experiencing delays. We are expecting this delay to resolve within a week, an update will be provided once  normal testing patterns resume.
Effective 5/14/25 per Mayo Labs due to reagent supply issues for Oxalate, Urine this test will be nonorderable, The duration of this test down is expected to be >30 days. There are no recommended alternatives.
Effective 5/14/25: SUP24SO is non-orderable effective immediately due to a reagent supply issue for Oxalate. Specimens currently at Mayo will get reported. The down expected to last >30 days. No Recommended Alternatives.
  
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Laboratory News Vol 43 No 10-November 2, 2020.pdfLaboratory News Vol 43 No 10-November 2, 2020
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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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