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Simple & efficient lab testing for health professionals.

Lab guide: Mosaic Diagnostics (Formerly Great Plains Laboratory)


This article provides an overview of Mosaic Diagnostics (formerly Great Plains Laboratory), summarising who they are, their specialisation, key lab processes, and their most popular advanced tests.

Regenerus Labs is an official distributor of Mosaic Dx advanced health tests for UK, EU and UAE healthcare practitioners.

Who is MosaicDX?

MosaicDX is an advanced health testing laboratory, a world-leading specialist in metabolic, nutritional, and toxicity testing.

MosaicDX laboratory testing services covers:

  • toxic chemical exposure
  • mould toxicity
  • metal toxicity
  • food allergies
  • essential fatty acids
  • glutathione levels
  • inflammation

MosaicDX advanced health tests are designed to identify contributory factors to chronic conditions such as neuropsychiatric, autoimmune/inflammatory, and gastrointestinal conditions.

The lab, founded in 1996, is based in Kansas, US, and serves healthcare practitioners.

MosaicDX licenses and accreditations 

MosaicDX is fully Clinical Laboratory Improvement Amendments (CLIA) certified.

In addition, all laboratories that MosaicDX sends samples to are CLIA certified.

Congress passed the Clinical Laboratory Improvement Amendments (CLIA) in 1988, establishing quality standards for all laboratory testing to ensure patient test results' accuracy, reliability and timeliness regardless of where the test was performed.

MosaicDX is fully also College of American Pathologists (CAP) Certified and participates voluntarily in all proficiency testing programs of the College of American Pathologists, who it provides testing for. Many other laboratories do not perform this extra voluntary testing. 

Quality assurance

In addition to being CLIA and CAP licensed, MosaicDX has strong internal quality control program in which:

  • quality control samples are analysed with every test batch to ensure quality. 

  • patient samples are frequently split to make sure that different technologists perform similar work

MosaicDX flagship tests:

Organic Acids Test (OAT): the Organic Acids Test (OAT) offers a comprehensive metabolic snapshot of a patient’s overall health with 76 markers. 

The MycoTOX: the MycoTOX the most comprehensive and competitively priced mycotoxin test available- screens for eleven different mycotoxins, from 40 species of mould, in one urine sample.

The GPL-TOX: the GPL-TOX screens for 173 different environmental pollutants using 18 different metabolites, all from a single urine sample.

Glyphosate Test: Assesses the IgG response to 190 foods common in the Western, Asian, and Mediterranean diets.

EnviroTox Complete: Great Plains Lab's most comprehensive environmental toxins panel, combining the GPL-TOX, MycoTox, OAT and Glyphosate tests.

IgG Food MAP with Candida and Yeast: Assesses the IgG response to 190 foods common in the Western, Asian, and Mediterranean diets.