The UC Davis Serology Laboratory will be transitioning to a new LIS – EPIC Beaker – in June 2023. The Harvest Webportal will be sunsetting and going forward we will be utilizing PhysicianConnect. Please refer to the “Online Results Portal” tab for additional information.

Laboratory and Testing Information (PDF)

Laboratory Hours

Monday – Friday - 8 a.m. – 5 p.m.

Closed the Following Major Holidays:

  • New Year’s Day
  • Memorial Day
  • Independence Day
  • Labor Day
  • Thanksgiving
  • Christmas Day

*If a major holiday falls on a Sunday, the following Monday will be observed.

Testing Performed

Immunodiffusion:         Monday - Friday

Complement Fixation: Monday - Friday

Turn Around Time : 7-10 days

  • Average TAT for positive results: 2-3 business days
  • Average TAT for negative results: 3-5 business days
    (Qualitative Immunodiffusion is held for a 3-day incubation before finalizing as negative)

Finalized Results and Reports

Finalized results and reports are available via interface, Harvest Web portal, or automatic email and faxing.

Specimen tracking, preliminary results, and printable pdf reports are also available through the Harvest Web portal.