In the second quarter of 2025, Mayo Clinic Laboratories expanded its test catalog with several innovative new tests.

The laboratory test catalog is no longer just a reference list — it’s a strategic asset. By expanding its content, laboratories can improve satisfaction and experience.

After mysterious neurological symptoms began in 2010, Brad Karon, M.D., Ph.D., was diagnosed with paraneoplastic syndrome, a rare condition that led to groundbreaking research and test development at Mayo Clinic. Years later, pulmonary fibrosis and a double lung transplant would test him once again — and redefine his resilience.

In March 2023, Mayo Clinic Laboratories announced twenty nine new tests along with numerous reference value changes, obsolete tests, and algorithm changes.

In this test-specific episode of “Answers From the Lab,” host Bobbi Pritt, M.D., chair of the Department of Laboratory Medicine and Pathology at Mayo Clinic, and Bjorn Oskarsson, M.D., a neurologist at Mayo Clinic’s Florida campus, discuss how the neurofilament light chain test available through Mayo Clinic Laboratories helps physicians diagnose neurological disease and assess neuronal damage.

Mayo Clinic researchers and collaborators have discovered a critical role that inflammation plays in liver regeneration after liver resection. While effective regeneration requires some inflammation, too much of it causes regeneration failure. They also discovered that patients experiencing dysfunctional liver regeneration had a significantly dysregulated gene known as DUSP4 – a finding that could help support targeted therapeutic strategies administered before or after surgical resection to prevent liver failure.

This week's Research Roundup features: Fatal Human Rabies Infection with Suspected Host-mediated Failure of Post-Exposure Prophylaxis Following a Recognized Zoonotic Exposure-Minnesota, 2021.

This page includes updates posted to Mayo Clinic Labs during the month of March.

Misdiagnosed with acromegaly, a disease marked by too much growth hormone, and plagued by a host of mysterious health problems from unnecessary medications, Kelly DuBois finally found answers after pharmacogenomic testing from Mayo Clinic Laboratories put her on a path toward healing.

In this "Hot Topic," Melissa Snyder, Ph.D., provides a brief review of published guidelines for the diagnosis of celiac disease, with a specific focus on the role of laboratory testing.

Today's Highlights Include: US FDA seeks to allow salt substitutes in everyday foods, radioactive water leaks at Minn. nuclear plant for 2nd time, and pushback grows over mental health impacts of social media.

As warm weather returns so do vector-borne diseases transmitted by ticks and mosquitos. In this episode of “Answers From the Lab,” host Bobbi Pritt, M.D., chair of the Department of Laboratory Medicine and Pathology at Mayo Clinic, and William Morice II, M.D., Ph.D., president and CEO of Mayo Clinic Laboratories, discuss the increasing rates of tick-borne diseases and how to test for and prevent them. Listen to learn more.

Mayo Clinic Laboratories is thrilled to participate in the American Academy of Neurology Annual Meeting 2023.

More than 17 years ago, Michael Goard started his career at Mayo Clinic in Specimen Operations. Today, he takes great pride in his role as a field service manager working with clients and making a difference for our patients.

Elitza Theel, Ph.D., explains how Mayo Clinic Laboratories' unique Histoplasma/Blastomyces test provides cost-effective evaluation for fungal infections that cause pulmonary illness. The assay reliably detects both Histoplasma and Blastomyces pathogens in a single test.