Laboratory Services

We are making temporary changes to the times and locations of laboratory services during the COVID-19 Shelter in Place orders.

  • Hidden Valley Lake Lab: Monday, Wednesday, Friday, 8 a.m. – 4:30 p.m.
  • Clearlake Clinic Lab: Monday – Friday, 8 a.m. – 4 p.m.
  • Kelseyville Lab: Closed
  • Lakeport 11th Street Lab: Monday – Friday, 6:30 a.m. – 3 p.m.
  • Lakeport Main Street Lab: Tuesday and Thursday, 8 a.m. – 12 p.m.
  • Lab E at hospital: Monday – Friday, 6:30 a.m. – 3 p.m.
  • Lucerne Lab: Tuesday and Thursday, 1 p.m. – 5 p.m.

When you have a health concern, detailed and reliable test results help you and your physician make the best possible treatment decisions. Our laboratory services partner with your healthcare providers to give you the critical information you need. The results from lab tests allow physicians to detect disease earlier, plan appropriate treatments, and monitor results. Our labs are equipped with advanced instruments that enable rapid and accurate analysis of clinical tests.

Some services performed by our lab include:

  • Blood tests
  • Drug tests
  • Hematology
  • Mononucleosis testing
  • Specimen testing
  • Stool tests
  • Urinalysis
  • Yeast infection testing

When your results are in our lab, technicians will discuss their findings with your doctor who will then discuss them with you. We pride ourselves on fast turnaround while providing accurate and detailed results.


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