Due to an increased demand in testing, results may be delayed. We will be closed for walk-ins. Please check for updated appoinments. We apologize for any inconvenience.

About Us

N3 Laboratories is a full-service, fully-accredited CLIA-certified reference laboratory. A part of Neurovations, N3 Laboratories has been serving the community of Napa County since 1992. What type of test do you need?

What Type of test do you need?

Known as a 'viral', 'swab', or 'PCR' testA viral test tells you if you have a current infection.

Please note, we offer Saturday testing with results given the following Tuesday.

Normal Hours:

Monday-              9:00-5:00 PM

Tuesday-              9:00-5:00 PM

Wednesday-        8:30-7:00 PM

Thursday-            9:00-5:00 PM

Friday-                  9:00-5:00 PM

Saturday:             9:00-3:00 PM


Test for past infection

Known as an 'antibody' or 'serology' test

An antibody test might tell you if you had a past infection.

Do not schedule this test if you are currently experiencing any symptoms of coronavirus. Instead, get tested for current infection.


Monoclonal Infusion

Monoclonal antibody (mAb) therapy, also called monoclonal antibody infusion treatment, is a way of treating COVID-19. The goal of this therapy is to help prevent hospitalizations, reduce viral loads and lessen symptom severity.