The Wisconsin State Laboratory of Hygiene (WSLH) is proud to be 1 of 7 Regional Laboratories for the Antibiotic Resistance (AR) Laboratory Network.

The AR Lab Network was established in 2016 to help identify, respond to, and prevent antibiotic resistance in the United States. As a Regional Lab, the WSLH performs comprehensive testing on antimicrobial resistant organisms for the state of Wisconsin, as well as select testing for other states in the Midwest Region of the AR Lab Network: Kentucky, Illinois, Indiana, Michigan, and Ohio.

CDC’s AR Lab Network

Wisconsin Division of Public Health – Carbapenem-Resistant Enterobacterales (CRE)

Wisconsin Division of Public Health – Antibiotic Resistance (AR)

Characterizing other genera for detection of targeted carbapenemases special study (April 2023)


Instructions for Colonization Swab Collection


Shipping to the WSLH

WSLH Shipping Address:
2601 Agriculture Drive
Madison, WI 53718

Customer Service Phone Number: 1-800-862-1013
Contact information for isolate requisition forms: 1-800-862-1088

Regulations for Shipping Biological Specimens

FedEx Shipping Explainer


Other Resources

Containing Unusual Resistance – CDC Vital Signs, April 2018

CDC’s AR Lab Network


Contact Information for any Questions

Ann Valley, AR Lab Network Coordinator for WSLH

Megan Lasure, AR Lab Network Epidemiologist