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Contact Us

La Crosse Lab: (608) 775-5057

Onalaska Lab: (608) 775-8128

Laboratory Hours

Our laboratory locations are open for patient lab draws during the following hours:

La Crosse Campus

  • 1st Floor Clinic Lab
    • Monday - Friday: 7 a.m. to 5:30 p.m.
    • Saturday: 7 a.m. to 11 a.m.
    • Observed holidays: closed
  • East Building Lab, 2nd Floor

Onalaska Clinic

  • Onalaska Lab
    • Monday - Friday: 7 a.m. to 9 p.m.
    • Saturday, Sunday, and Holidays: 9 a.m. to 5 p.m.

Boscobel Hospital

Fayette Clinic

Friendship (Moundview) Hospital

Hillsboro (St. Joseph's) Hospital

  • Monday - Friday: 7 a.m. to 4 p.m.
  • Saturday: 8 a.m. to Noon
  • Sunday: 8 -11 a.m.
  • Observed holidays: closed

Postville Clinic

  • Monday, Wednesday, Thursday, Friday: 8 a.m. to 5 p.m.
  • Tuesday: 8 a.m. - 7 p.m.
  • Observed holidays: closed

West Union (Palmer) Hospital

Whitehall (Tri-County) Hospital

Lab services at other regional clinics are available during regular clinic hours.

Love + Medicine

Every day, Gundersen Health System staff deliver great medicine plus a little something extra—we call it Love + Medicine.

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