Frequently Asked Questions

Can I order tests and ship samples on holidays and weekends?

Mayo Clinic Laboratories is open 24/7/365. However, individual carriers might be closed and might not make deliveries on recognized holidays. The following holidays are observed in the United States:

  • New Year’s Day:  January 1
  • Memorial Day:  Last Monday in May
  • Independence Day:  July 4
  • Labor Day:  First Monday in September
  • Thanksgiving Day:  Fourth Thursday in November
  • Christmas Day:  December 25

Note: Contact your preferred carrier for local holiday information.

More questions in this category | All questions