Mayo Clinic Laboratories logo
  • MayoACCESS
  • MayoLINK
  • Register
  • My Dashboard
Web: mayocliniclabs.com
Email: mcl@mayo.edu
Telephone: 800-533-1710
International: +1 855-379-3115
Values are valid only on day of printing
  • TEST CATALOG

    Test Catalog

    • A
    • B
    • C
    • D
    • E
    • F
    • G
    • H
    • I
    • J
    • K
    • L
    • M
    • N
    • O
    • P
    • Q
    • R
    • S
    • T
    • U
    • V
    • W
    • X
    • Y
    • Z
    • #

    Test Information

    • New Tests
    • Test Updates
    • Order Your First Test
    • Algorithms

    Tests by Classification Type

    • NY State Informed Consent Tests
    • Referred Tests

    References

    • Critical Values & Results
    • Performing Locations
    • Test Performance Policies
    • Download Test Catalog
    • Interpretive Handbook

    Specialty Testing

    • Gastroenterology
    • Genetics
    • Hematology
    • Microbiology & Infectious Diseases
    • Neurology
    • Oncology
    • Pathology
    • Pediatrics
    • Renal
    • Therapeutics
    • Other Testing

    Solutions for

    • Commercial
    • Group Purchasing
    • International
    • Hospitals and Health Systems
    Back
    TEST CATALOG
    • Test Information
      Back

      Test Information

      • New Tests
      • Test Updates
      • Order Your First Test
      • Algorithms
    • Tests by Classification Type
      Back

      Tests by Classification Type

      • NY State Informed Consent Tests
      • Referred Tests
    • References
      Back

      References

      • Critical Values & Results
      • Performing Locations
      • Test Performance Policies
      • Download Test Catalog
      • Interpretive Handbook
    • Specialty Testing
      Back

      Specialty Testing

      • Gastroenterology
      • Genetics
      • Hematology
      • Microbiology & Infectious Diseases
      • Neurology
      • Oncology
      • Pathology
      • Pediatrics
      • Renal
      • Therapeutics
      • Other Testing
    • Solutions for
      Back

      Solutions for

      • Commercial
      • Group Purchasing
      • International
      • Hospitals and Health Systems
  • ORDERING & RESULTS

    MayoACCESS

    • Application
    • Resources

    MayoLINK

    • Application
    • Resources

    Frequent Tools

    • Request Additional Testing
    • Send Additional Specimen
    • Critical Values & Results
    • Custom Gene Ordering
    • Order Your First Test

    Forms

    • Form Listing
    • Patient Information & Signature Forms

    LIS Resources

    • New Tests
    • Test Updates
    • CPT Code & Test Classification Updates
    • Setup Files
    • AOE Codes
    • Units of Measure
    • LOINC
    • NY State Informed Consent Tests
    • SI Conversion Units
    • Test Validation Support
    • Supplemental and Referral Reports
    Back
    ORDERING & RESULTS
    • MayoACCESS
      Back

      MayoACCESS

      • Application
      • Resources
    • MayoLINK
      Back

      MayoLINK

      • Application
      • Resources
    • Frequent Tools
      Back

      Frequent Tools

      • Request Additional Testing
      • Send Additional Specimen
      • Critical Values & Results
      • Custom Gene Ordering
      • Order Your First Test
    • Forms
      Back

      Forms

      • Form Listing
      • Patient Information & Signature Forms
    • LIS Resources
      Back

      LIS Resources

      • New Tests
      • Test Updates
      • CPT Code & Test Classification Updates
      • Setup Files
      • AOE Codes
      • Units of Measure
      • LOINC
      • NY State Informed Consent Tests
      • SI Conversion Units
      • Test Validation Support
      • Supplemental and Referral Reports
  • SPECIMEN HANDLING

    Collection & Preparation

    • Supplies
    • Instructions by Specimen Type
    • Microbiology Culture Tests
    • Light Protection Tests
    • Urine Preservatives

    Shipping & Logistics

    • Shipping Guides
    • Courier Instructions
    • Transportation Regulations
    • Category A Infectious Substances
    • CDC Permit
    • Dangerous Goods Training
    Back
    SPECIMEN HANDLING
    • Collection & Preparation
      Back

      Collection & Preparation

      • Supplies
      • Instructions by Specimen Type
      • Microbiology Culture Tests
      • Light Protection Tests
      • Urine Preservatives
    • Shipping & Logistics
      Back

      Shipping & Logistics

      • Shipping Guides
      • Courier Instructions
      • Transportation Regulations
      • Category A Infectious Substances
      • CDC Permit
      • Dangerous Goods Training
  • CUSTOMER SERVICE

    Contact Us

    • Phone Numbers & Addresses
    • Sales Requests
    • PHI Secure Requests
    • Patient Inquiries

    Billing

    • General
    • International
    • Insurance
    • Prior Authorization
    • CPT Code & Test Classification Updates
    • DEX Z-Codes™
    • CMS Date of Service

    References

    • Quality & Compliance
    • New Client Center
    • FAQ
    • Operational Updates
    • IT Updates
    Back
    CUSTOMER SERVICE
    • Contact Us
      Back

      Contact Us

      • Phone Numbers & Addresses
      • Sales Requests
      • PHI Secure Requests
      • Patient Inquiries
    • Billing
      Back

      Billing

      • General
      • International
      • Insurance
      • Prior Authorization
      • CPT Code & Test Classification Updates
      • DEX Z-Codes™
      • CMS Date of Service
    • References
      Back

      References

      • Quality & Compliance
      • New Client Center
      • FAQ
      • Operational Updates
      • IT Updates
  • EDUCATION & INSIGHTS

    Educational Resources

    • Conferences
    • Dangerous Goods Training
    • On Demand
    • Pathways Case Studies
    • Podcasts
    • Webinars
    • MLS
    • Credit

    Our Insights

    • News
    • Podcasts
    • Stories

    Outreach

    • Solutions
    • Tactics & Tools
    • Educational Resources

    Utilization Management

    • Algorithms
    Back
    EDUCATION & INSIGHTS
    • Educational Resources
      Back

      Educational Resources

      • Conferences
      • Dangerous Goods Training
      • On Demand
      • Pathways Case Studies
      • Podcasts
      • Webinars
      • MLS
      • Credit
    • Our Insights
      Back

      Our Insights

      • News
      • Podcasts
      • Stories
    • Outreach
      Back

      Outreach

      • Solutions
      • Tactics & Tools
      • Educational Resources
    • Utilization Management
      Back

      Utilization Management

      • Algorithms
  • Contact
  • Search
Insights
  • Education
  • News
  • Podcasting
  • Stories
Neurofilament light chain test helps in diagnosis, treatment, and prognosis of ALS and MS

By using a test that measures neurofilament light chain (Nfl) proteins in blood, clinicians can better diagnose devastating diseases like ALS and MS, help predict disease progression, and better assess efficacy of existing drugs and trial therapies.

April 14, 2025
Laboratory Medicine Central to Tick-Borne Disease Response: Bill Morice, M.D., Ph.D.
May 8, 2025

In this episode of “Answers From the Lab,” host Bobbi Pritt, M.D., chair of the Division of Clinical Microbiology at Mayo Clinic, is joined by William Morice II, M.D., Ph.D., CEO and president of Mayo Clinic Laboratories, to discuss tick-borne diseases.

Memorial Day Specimen Shipping Alert
May 7, 2025

Due to the Memorial Day holiday (recognized on Monday, May 26), Mayo Clinic Laboratories' specimen pickup and delivery schedules will be altered. To ensure that your specimen vitality and turnaround times are not affected, please note the following plans for Domestic and International shipping:

Lab Billing, Coding, and Compliance: A 2025 Overview
May 7, 2025

Register now – July 8, 2025: PACE / State of FL - This webinar will discuss a range of critical topics essential for laboratory billing, coding, and compliance. Key areas of focus will include understanding and navigating National Correct Coding Initiative (NCCI) edits, reviewing newly released CPT codes, exploring important updates from Medicare Manuals, and discussing the process for submitting LCD Reconsideration Requests. Additionally, we will share insights into the latest priorities outlined in the OIG Workplan, helping organizations stay informed and aligned with federal expectations.

Genetic Tests Identify Risk of Irinotecan-Induced Toxicity: John Logan Black, M.D.
November 12, 2024

John Logan Black, M.D., explains how Mayo Clinic Laboratories' UGT1A1 tests (Mayo IDs: U1A1Q and UGTFZ) identify genetic variants that increase the risk of potentially life-threatening reactions to irinotecan, a chemotherapy agent.

Fergus Couch, Ph.D., co-authors new guidelines for interpreting ATM cancer gene variants
November 11, 2024

Fergus Couch, Ph.D., chair of Mayo Clinic’s Division of Experimental Pathology and Laboratory Medicine, led a team that recently published new National Institutes of Health and U.S. Food and Drug Administration-approved guidelines for the interpretation of variants in the ataxia telangiectasia mutated (ATM) cancer gene. Inherited mutations in ATM have been shown to increase the risk of breast, pancreatic, and prostate cancers. Now published by the American Journal of Human Genetics and available for widespread use, Dr. Couch says the guidelines can help clinicians around the world apply the same consistent method of classification to ATM variants.

Attending Medical Conferences & AABB Debrief
November 8, 2024

In this episode of Lab Medicine Rounds, Justin Kreuter, M.D., interviews John Sherbeck, M.D., Laboratory Medical Director of Trinity Health IHA Medical Group, about how to plan your time at medical conferences and briefly discusses this year’s takeaways from AABB’s national conference.

What’s Causing Outbreaks of Preventable Infectious Diseases: Bill Morice, M.D., Ph.D.
November 7, 2024

In this episode of “Answers From the Lab,” host Bobbi Pritt, M.D., chair of the Division of Clinical Microbiology at Mayo Clinic, is joined by William Morice II, M.D., Ph.D., CEO and president of Mayo Clinic Laboratories, to discuss recent outbreaks in vaccine-preventable diseases.

How lab innovation drives revenue and accelerates growth
November 6, 2024

William Morice II, M.D., Ph.D., president and chief executive officer of Mayo Clinic Laboratories, recently shared with the Advisory Board his insight into the potential that digital pathology and out-of-lab testing can bring into the laboratory space.

Rare patient case helps inform and validate GABA-A-R antibody encephalitis testing: JoAnne Michael
November 4, 2024

JoAnne Michael’s symptoms started with dizziness and forgetfulness before down spiraling into severe confusion, crying jags, and brain seizures. ER doctors at her local hospital initially thought she was on drugs. JoAnne, terrified, wondered if she was dying. Luckily, she had a guardian angel by her side: her mother, a retired nurse practitioner, who took her to Mayo Clinic, where the clinical experience and expertise of neurologist Andrew McKeon, M.B., B.Ch., M.D., helped give her a diagnosis and hope for a journey back to health.

Customer Service: Information Exchange
November 4, 2024

This month’s microlearning shares the Elicit – Provide – Elicit framework for exchanging information in a collaborative way.

CPT codes and LOINC update: October 2024
November 1, 2024

This page lists updates posted to Mayo Clinic Labs during the month of October.

Thanksgiving Specimen Shipping Guidelines and Schedule
October 31, 2024

Due to the Thanksgiving holiday (recognized on Thursday, Nov. 28), Mayo Clinic Laboratories' specimen pickup and delivery schedules will be altered. To ensure specimen stability and prevent delays, follow the guidelines outlined below for domestic clients and international clients.

When is it Cool to Drool? Oral Fluid Testing for Controlled Substance Monitoring
October 30, 2024

PACE / State of FLThis webinar will describe substance use disorders and the common laboratory tests and matrices used for controlled substance monitoring. The advantages and challenges of using oral fluid will be discussed along with how to correctly interpret oral fluid drug testing results.

Dr. Dong Chen and Dr. Sounak Gupta join Becker’s Healthcare Podcast to discuss molecular testing in cancer care
October 28, 2024

Dr. Dong Chen and Dr. Sounak Gupta joined the “Becker’s Healthcare Podcast” to discuss the molecular testing space and its important role in personalized cancer treatment. Dr. Chen and Dr. Gupta highlighted the importance of selecting the right molecular tests for patients, the impact of genetic testing on cancer diagnosis and treatment, and how Mayo Clinic Laboratories is helping physicians make informed decisions for the best patient outcomes.

Working With Clients to Create a Smooth Testing Journey
October 28, 2024

In this episode of Mayo Clinic Laboratories’ “Leveraging the Laboratory” podcast, host Jane Hermansen, outreach manager at Mayo Clinic Laboratories, speaks with outreach solutions strategists Ellen Dijkman Dulkes and Brianne Newton for the second part of their discussion on minimizing visible impact to the customer when there are bumps in the road.

View MoreView Less
  • MAYO CLINIC
  • ABOUT US
  • CONTACT US
  • FAQ
  • POLICIES & TERMS
  • JOBS
  • QUALITY
  • BIOPHARMA
  • CARDIOVASCULAR SERVICES
  • SITE MAP
  • LOG OUT
  • Facebook
  • Twitter
  • Instagram
  • LinkedIn
  • Youtube

© 1995-2025 Mayo Foundation for Medical Education and Research. All Rights Reserved.