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A simpler path to answers for patients with mast cell activation syndrome

A random urine test panel aids in diagnosing mast cell activation syndrome (MCAS), a complex condition often misdiagnosed due to overlapping symptoms. The panel improves access, speeds up diagnosis, and enables individualized treatment by detecting key mast cell mediators.

August 11, 2025
Elevating Clinical Lab Websites in a Changing Technology Landscape
August 25, 2025

In this episode of the “Leveraging the Laboratory” podcast, host Jane Hermansen, outreach manager at Mayo Clinic Laboratories, is joined by Travis Engelhaupt, digital experience director, and Naomi Lovell, project manager. Together, they discuss website trends and best practices.

Practical Legal Insight and Tips: Compliance Issues for Hospital Laboratory Outreach Programs
August 20, 2025

Register now – Nov. 19, 2025: Regulatory compliance and recent policy changes at the federal and state levels relevant to hospital laboratory outreach programs.

Five steps to create a successful laboratory newsletter
August 18, 2025

Launch or refresh your lab newsletter with five key steps to engage, inform, and build stronger connections with your audience.

Mayo Clinic Laboratory and Pathology Research Roundup: February 3
February 3, 2020

This week’s research roundup features a study on imaging biomarkers of Alzheimer's disease in Multiple Sclerosis.

Selecting Pathology Specimens for Solid Tumors Next-Generation Sequencing
February 3, 2020

In this month’s “Hot Topic,” Sounak Gupta, M.B.B.S., Ph.D., discusses selecting tissues and other tissue considerations for molecular testing. He also reviews tissue metrics and requirements, which differ based on test platforms. It is important to keep in mind that the details of tissue metrics change over time as they continue to evolve with technology.

CPT Codes and LOINC Update: January 2020
February 2, 2020

View a full list of new CPT codes, Test Classification Updates, LOINC Codes, and Z-Codes posted to mayocliniclabs.com during the month of January 2020.

Mayo Clinic Laboratory and Pathology Research Roundup: January 27
January 27, 2020

This week’s research roundup features an assessment of the predictive value of outpatient smartphone videos for diagnosis of epileptic seizures.

Mayo Clinic Laboratory and Pathology Research Roundup: January 20
January 20, 2020

This week’s research roundup features a study on how abnormal expression of programmed death-1 (PD-1) ligand-1(PD-L1) in cancer cells play a crucial role in cancer immune evasion and progression.

Urinary Steroid Profile [Test in Focus]
January 20, 2020

Irina Bancos, M.D. gives an overview of this test available through Mayo Clinic Laboratories. She discusses when this testing should be ordered, how this testing compares to other testing approaches, and what clinical action can be taken due to the results of this testing.

Mayo Clinic Laboratory and Pathology Research Roundup: January 13
January 13, 2020

This week’s research roundup features a study the identification of a novel homozygous multi-exon duplication in RYR2 among children with exertion-related unexplained sudden deaths in the Amish community.

New Tests Launched in December
January 9, 2020

In December 2019, Mayo Clinic Laboratories announced two new tests along with numerous reference value changes, obsolete tests, and algorithm changes.

Dengue Virus: A Diagnostic Testing Update
January 6, 2020

In this month’s “Hot Topic,” Elitza Theel, Ph.D., talks about Mayo Clinic Laboratories’ serologic and molecular testing for the identification of infection with dengue virus. Dengue virus poses a significant public health threat worldwide. Rapid and accurate identification of the infection enables directed monitoring of patients who may be at increased risk of developing hemorrhagic fever of dengue shock syndrome.

Ethical Issues in Phlebotomy
December 18, 2019

This "Phlebotomy webinar" will discuss ethical issues frequently faced by phlebotomists.

Communiqué
A Breakthrough in Distinguishing Benign Adrenal Tumors from Cancerous Ones
November 26, 2019

Understanding the difference between benign and malignant adrenal tumors has always been difficult, but the new Urinary Steroid Profile assay will assist with this medical challenge.

Discontinuation of Herpes Simplex Virus (HSV) IgM Testing
November 11, 2019

In this month’s “Hot Topic,” Elitza Theel, Ph.D., will discuss the over utilization of IgM serologic testing for herpes simplex virus and the recommendation by multiple agencies, including the CDC and the Infectious Diseases Society of America, to avoid using this test for clinical decision making purposes. As a result of these recommendations and data generated at Mayo Clinic, Dr. Theel will summarize why HSV IgM testing will no longer be offered through Mayo Clinic Laboratories.

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