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Genetic and Rare Diseases Information Center (GARD)

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Other Names for this Disease
  • Fish malodor syndrome
  • Fish odor syndrome
  • Stale fish syndrome
  • TMAU
  • TMAuria
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Tests & Diagnosis

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  • The Arkansas Children's Hospital Metabolic Laboratory is offering clinical urine testing for this condition. Click on the link above to learn more about the test and sample preparation. Clinical tests are ordered to help diagnose a person or family and to aid in decisions regarding medical care. This test can only be ordered by a physician, so talk to your health care provider or a genetic professional to learn more about your testing options. Instructions on finding a genetics professional in your area can be found in the section below.
  • The Genetic Testing Registry (GTR) provides information about the genetic tests for this condition. The intended audience for the GTR is health care providers and researchers. Patients and consumers with specific questions about a genetic test should contact a health care provider or a genetics professional.
  • The Monell Chemical Senses Center is able to assist in the diagnostic testing of patients who may have trimethylaminuria. Monell is a non-profit, basic scientific research center focused on understanding the senses of taste and smell. They are not a medical clinic. If you are interested in more information, you can send an e-mail to The Information Center provides the names of these centers for informational purposes only, not as an endorsement of the institutions' products or services.