Wisconsin Veterinary Diagnostic Laboratory

  • For Questions or feedback please fill out the form at the bottom of this page and we will contact you.

Madison, Wisconsin*

445 Easterday Ln.

Madison, WI  53706

*Saturday Hours (9 am – 1 pm):  WVDL’s Madison location will be open 9 a.m. – 1 p.m. to receive samples. In-person drop offs, couriers, Fed Ex and UPS will be accepted.  Also use this time to pick up supplies, media and testing kits. Call (608) 890-1548 (Saturday only) during these hours  if you need to contact a staff member.

  • Normal Business Hours: 7:45 a.m. – 4:30 p.m., M-F; Closed Sunday & Holidays
  • Saturday Hours: 9:00 am – 1:00 pm (Sample Receiving ONLY)
  • Phone: 608-262-5432
  • Toll Free: 800-608-8387
  • Saturday Sample Receiving: 608-890-1548
  • Fax: 608-504-2594

Barron, Wisconsin

1521 E. Guy Ave.

Barron, WI  54812

  • Normal Business Hours: 7:45 a.m. – 4:30 p.m., M-F; Closed Saturday, Sunday, & Holidays
  • Phone: 715-637-3151
  • Toll Free: 800-771-8387
  • Fax: 715-449-5052
NOTE:  WVDL no longer accepts ANY SMALL ANIMAL necropsy cases after hours.  All bodies sent to the WVDL for pathology services MUST arrive prior to 4:30 p.m., Monday-Friday (no weekend deliveries possible).   Please call ahead if arrival will be after 4:00 on those days or if there is a delay in transit so lab personnel can plan accordingly. WVDL regrets that we are no longer able to provide this after-hours option. Please contact us if you have questions regarding this change in service.
AFTER HOURS: The pathology out of hours phone 608-444-8912 is answered until 8pm on business days and 8am to 8pm on weekends and holidays. Please feel free to leave a message on this phone. In an animal health emergency, please see below for DATCP contact information:
  • Monday-Friday 7:45am-4:30pm:  608-224-4872
  • After Hours:  1-800-943-0003
  • Email: datcpdahlabs@wisconsin.gov

UW VET CARE: Calls and inquires for other animal health emergencies, including emergency treatment of live animals can be directed to the School of Veterinary Medicine and the UW Veterinary Care 24/7 Emergency Services. (608) 263-7600

Specific inquiries can be sent to the email addresses listed below.
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