Minnesota Laboratory System
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Laboratory Alerts from the Minnesota Laboratory System
The Minnesota Laboratory System (MLS) issues frequent alerts to its members concerning pressing issues of public health.
Categories of MLS lab alerts
Laboratory Alert: Conveys the highest level of importance; warrants immediate action, attention or response.
Laboratory Advisory: Provides important laboratory information which needs to be reviewed in a timely manner; may not require immediate action or response. (Previously designated as "Important Laboratory Information.")
Laboratory Update: Provides routine laboratory information; unlikely to require immediate action or response. (Previously designated as "Routine Laboratory Information.")
MLS Laboratory Update: January 14, 2026
MDH-PHL Holiday Hours of Operation for Martin Luther King, Jr. Day (PDF)
MLS Laboratory Update: December 17, 2025
MDH Public Health Laboratory Holiday Schedule (PDF)
MLS Laboratory Update: December 12, 2025
Paraburkholderia fungorum - MMWR published 12/11/25 (PDF)
MLS Laboratory Update: December 8, 2025
Discontinuation of serology testing for Bordetella pertussis (PDF)
MLS Laboratory Update: November 17, 2025
MDH-PHL Hours of Operation for the Thanksgiving Holiday (PDF)
MLS Laboratory Update: November 13, 2025
Discontinuation of Arbovirus Testing for the 2025 Season (PDF)
MLS Laboratory Update: November 10, 2025
National Infant Botulism Outbreak Linked to Powdered Infant Formula (PDF)
MLS Laboratory Update: November 3, 2025
Veteran's Holiday Hours of Operation at MDH-PHL (PDF)
MLS Laboratory Update: September 29, 2025
Increases in NDM-CRE in the United States (PDF)
MLS Laboratory Update: September 26, 2025
Measles Cases in Twin Cities Area and Laboratory Testing (PDF)
MLS Laboratory Update: September 25, 2025
Laboratory Submissions for 2025 - 2026 Viral Respiratory Season (PDF)
MLS Laboratory Update: September 19, 2025
Free APHL/Saf-T-Pak Shipping Course Available (PDF)
- Virtual Seminar: The Safe Transport of Division 6.2 Infectious Substances, Biological Specimens, Dry Ice and Related Materials 9am - 4pm (PDF)
- Virtual Seminar: The Safe Transport of Division 6.2 Infectious Substances, Biological Specimens, Dry Ice and Related Materials 11am - 6pm (PDF)
- Virtual Seminar: The Safe Transport of Division 6.2 Infectious Substances, Biological Specimens, Dry Ice and Related Materials 2pm - 9pm (PDF)
- Category B (UN 3373) Training (PDF)
- Saf-T-Pak Training Dates and Registration Deadlines for 2024 and 2025 (PDF)
MLS Laboratory Update: August 25, 2025
Labor Day Weekend MDH-PHL Hours of Operation (PDF)
MLS Laboratory Update: August 25, 2025
CDC OneLab Network Webinar on Biosafety and BMBL 6th Edition Updates (PDF)
MLS Laboratory Update: August 11, 2025
MDH Webinar on Increasing Tularemia Cases in MN, August 20th (PDF)
MLS Laboratory Update: August 5, 2025
First Case of Trichophyton mentagrophytes genotype VII confirmed in MN (PDF)
MLS Laboratory Update: July 29, 2025
Specimen Temperature Monitoring Upon Receipt at IDL (PDF)
MLS Laboratory Update: July 24, 2025
Tularemia cases increasing in Minnesota (PDF)
MLS Laboratory Update: July 16, 2025
Reminder to Submit Isolates or Specimens for Confirmed or Suspected Legionnaires' Disease Cases (PDF)
MLS Laboratory Update: June 25, 2025
July 4th Holiday MDH-PHL Hours of Operation (PDF)
MLS Laboratory Update: June 18, 2025
Minnesota Department of Health - Public Health Laboratory (MDH-PHL) Newborn Screening Fee Increase (PDF)
MLS Laboratory Update: June 11, 2025
Juneteenth Holiday MDH-PHL Hours of Operation (PDF)
MLS Laboratory Update: June 3, 2025
Specimen Submissions for Summer 2025 Influenza Surveillance (PDF)
MLS Laboratory Update: June 3, 2025
Measles Cases in Twin Cities Area and Laboratory Testing (PDF)
MLS Laboratory Update: May 20, 2025
CDC Issues Alert Regarding Multi-State Cluster of Paraburkholderia fungorum (PDF)
MLS Laboratory Update: May 19, 2025
Memorial Day Holiday Weekend MDH-PHL Hours of Operation (PDF)
MLS Laboratory Update: May 15, 2025
Arbovirus Testing for the 2025 Vector-borne Disease Season (PDF)
MLS Laboratory Update: April 15, 2025
Resumption of Powassan and Jamestown Canyon Virus Testing for the 2025 Season (PDF)
MLS Laboratory Update: February 24, 2025
Newborn Screening for Duchenne Muscular Dystrophy (DMD) and Guanidinoacetate Methyltransferase (GAMT) Deficiency has Begun (PDF)
MLS Laboratory Update: February 24, 2025
Influenza A-Associated Acute Necrotizing Encephalopathy (ANE) in Hospitalized Patients (PDF)
MLS Laboratory Update: February 11, 2025
President's Day Holiday Hours of Operation for MDH-PHL (PDF)
MLS Laboratory Update: January 23, 2025
Accelerated Subtyping for Influenza A in Hospitalized Patients (PDF)
MLS Laboratory Update: January 13, 2025
MDH - PHL Holiday Hours of Operation for Martin Luther King, Jr. Day (PDF)
MLS Laboratory Update: January 13, 2025
Discontinuation of CDC Vibrio cholerae Toxin Gene and Serotyping Tests (PDF)
MLS Laboratory Update: January 10, 2025
MDH Investigating Multi-state Cluster of Paraburkholderia fungorum (PDF)
MLS Laboratory Update: January 9, 2025
Select Agent status changes for Brucella spp. (PDF)
MLS Laboratory Update: December 30, 2024
Specimen Submissions for 2024 - 2025 Respiratory Disease Surveillance (PDF)
MLS Laboratory Update: December 19, 2024
MDH Public Health Laboratory Holiday Schedule (PDF)
MLS Laboratory Update: December 16, 2024
Discontinuation of Arbovirus Testing for the 2024 Season (PDF)
MLS Laboratory Update: December 6, 2024
Health Advisory Pertussis (PDF)
MLS Laboratory Update: December 2, 2024
Ending Mosquito-borne Arbovirus Testing for the 2024 Season (PDF)
MLS Laboratory Update: November 19, 2024
Thanksgiving Holiday Hours of Operation at MDH - PHL (PDF)
MLS Laboratory Update: November 7, 2024
Veteran's Day Holiday Hours of Operation at MDH - PHL (PDF)
MLS Laboratory Update: October 30, 2024
Reporting Changes to Influenza B Genotyping Results (PDF)
MLS Laboratory Update: October 22, 2024
Changes to Newborn Screening Report (PDF)
Sample Report (PDF)
MLS Laboratory Update: October 4, 2024
Updates to the MDH Communicable Disease Reporting Rules (PDF)
MLS Laboratory Update: October 2, 2024
Laboratory Submissions for 2024 - 2025 Viral Respiratory Season (PDF)
MLS Laboratory Update: October 1, 2024
MDH Investigating Paraburkholderia fungorum (PDF)
MLS Laboratory Update: September 27, 2024
Free APHL/Saf-T-Pak Shipping Course Available (PDF)
- Virtual Seminar: The Safe Transport of Division 6.2 Infectious Substances, Biological Specimens, Dry Ice and Related Materials 9am - 4pm (PDF)
- Virtual Seminar: The Safe Transport of Division 6.2 Infectious Substances, Biological Specimens, Dry Ice and Related Materials 11am - 6pm (PDF)
- Virtual Seminar: The Safe Transport of Division 6.2 Infectious Substances, Biological Specimens, Dry Ice and Related Materials 2pm - 9pm (PDF)
- Category B (UN 3373) Training (PDF)
- Saf-T-Pak 6.2 Infectious Substances Online Training Updates and Overview 2023 - 2024 (PDF)
- Saf-T-Pak Training Dates and Registration Deadlines for 2024 and 2025 (PDF)
MLS Laboratory Update: August 28, 2024
Labor Day Weekend MDH-PHL Hours of Operation (PDF)
MLS Laboratory Update: August 6, 2024
Shortage of Becton Dickinson (BD) BACTEC™ Blood Culture Bottles (PDF)
MLS Laboratory Update: August 1, 2024
New Test Catalog (PDF)
MLS Laboratory Update: July 25, 2024
Measles Update (PDF)
MLS Laboratory Update: July 23, 2024
MDH-PHL Releasing New Test Catalog August 1 2024 (PDF)
MLS Laboratory Update: July 1, 2024
CLSI 3-Book Bundle Available (PDF)
MLS Laboratory Update: June 27, 2024
4th of July Holiday MDH-PHL Hours of Operation (PDF)
MLS Laboratory Update: June 13, 2024
Summer 2024 Influenza Surveillance (PDF)
MLS Laboratory Update: June 12, 2024
Juneteenth Holiday MDH-PHL Hours of Operation (PDF)
MLS Laboratory Update: May 29, 2024
MDH-PHL 16S Identification Test Method Change (PDF)
MLS Laboratory Advisory: May 28, 2024
Travel Associated Measles Case (PDF)
MLS Laboratory Update: May 23, 2024
Meningococcal Disease Cases with Travel to the Kingdom of Saudia Arabia (PDF)
MLS Laboratory Update: May 20, 2024
Notice of Intent to Adopt Proposed Changes to Communicable Disease Reporting Rules (PDF)
MLS Laboratory Update: May 17, 2024
Memorial Day Holiday Weekend MDH-PHL Hours of Operation (PDF)
MLS Laboratory Update: May 13, 2024
Arbovirus Testing for the 2024 Vector-borne Disease Risk Season (PDF)
MLS Laboratory Advisory: May 7, 2024
Travel Associated Measles Case (PDF)
MLS Laboratory Update: May 2, 2024
Guidance for Highly Pathogenic Avian Influenza (HPAI) Testing (PDF)
MLS Laboratory Update: Apr 12, 2024
Resumption of Jamestown Canyon virus testing at the Minnesota Department of Health - Public Health Laboratory (PDF)
MLS Laboratory Update: Apr 08, 2024
National Increase in Invasive Meningococcal Disease Serogroup Y (PDF)
MLS Laboratory Update: Feb 29, 2024
Newborn Screening Specimen Cards Temporary Shortage (PDF)
MLS Laboratory Update: Feb 27, 2024
MDH-PHL New Test to Determine Candida auris Clade by Whole Genome Sequencing on Isolates (PDF)
Candida auris Clade Yeast Identification Example Report (PDF)
Candida auris Clade Colonization Example Report (PDF)
MLS Laboratory Update: Feb 26, 2024
MDH-PHL adds OXA-235 Detection to Carbapenem-Resistant Acinetobacter species Isolate Testing (PDF)
OXA-variant PCR Panel - Isolate Example Report (PDF)
MLS Laboratory Update: Feb 26, 2024
Screening for Krabbe Disease (PDF)
MLS Laboratory Update: Feb 14, 2024
President's Day Holiday Hours of Operation for MDH-PHL (PDF)
MLS Laboratory Update: Feb 12, 2024
Specimen Submissions for Respiratory Disease Surveillance (PDF)
MLS Laboratory Advisory: Feb 07, 2024
Travel Associated Measles Case (PDF)
MLS Laboratory Update: Jan 31, 2024
BIOFIRE® FILMARRAY® Gastrointestinal (GI) Panel Recall due to Increased Risk of False Positive Norovirus results (PDF)
MLS Laboratory Update: Jan 18, 2024
Vibrio Speciation using Whole Genome Sequencing Method (PDF)
MLS Laboratory Update: Jan 8, 2024
Martin Luther King, Jr. Holiday MDH-PHL Hours of Operation (PDF)
Please Contact the Minnesota Laboratory System with questions.