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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.
Effective 6/13/24: Vasoactive Intestinal Polypeptide(VIP), Plasma; Test ID VIP will be non-orderable at Mayo. Recommended alternative: Order MISC: Test ID: FVIP2; Mayo will forward to Inter Science Institute.
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  MDNSSO (MDNS to Mayo) is non-orderable due to instrument issues and assay redevelopment.  Recommended alternative: Methadone and Metabolite, Serum.  TEST ID: FMTMS to Mayo ordered as a MISC in Cerner.
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.
2/5/24:  Effective 2/5/24:  Test code:  ANTIDSO (Antidepressant Screen, Urine Quantitative (885300)) is delayed due to  instrument issues. All specimens will be held, stabilized, and will be tested as soon as testing has resumed.
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 3/28/24: The following Cytogenetics tests will be sent to Mayo for an undetermined timeframe:  CHRC-C, CHRC-HR, CHRC-BM, CHRC-NB, CHRC-OT
5/2/24:  Effective 5/2/24:  Per Mayo Labs:  Due to instrument issues, reporting of BIOTESO (Mayo code TTFB) will be delayed. Specimens have been  stabilized and may take longer to be resulted than the established turnaround time.
Effective 5/8/24: The StoneRisk (Risk) is delayed at Quest due to the Ammonia portion of the test not having reagent. The expected resolution date is 6/14/24
Effective 6/10/24: CA19-9 and CA19-9O has a testing delay. Updates will be forthcoming.
6/25/24:  Effective 6/24/24:  Due to reagent supply issues,  ATHALSO (Alpha-Globin Gene Analysis (ATHAL)) may be delayed. Specimens will be extracted and  stabilized until testing can be completed.
Effective 6/25/24: MISC: Fungal Culture, Blood (FBL) to Mayo is non-orderable due to national supply shortages. There is no referral options available through Mayo.
7/10/24:  Effective 7/9/24:  Due to an instrument down, expect delays for the following testing:  HCVQT and HPVGENO.                                  
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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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