Maricopa County Offering Free Antibody Testing Several Zip Codes

On Saturday, Maricopa County officials started heading out to dozens of neighborhoods in the county to start testing for coronavirus antibodies.

Maricopa County Department of Public Health (MCDPH), Arizona State University and Mayo Clinic are working together on the testing. MCDPH will be responsible for working out in the field in the various communities. ASU is assisting with the coordination of the volunteers. Mayo Clinic will be responsible for analyzing the collected samples.

This form of testing is currently underway will run through September 20th. MCDPH and ASU will pick homes in the specified zip codes at random. This study is strictly a volunteer survey, so participants do not have to participate if they come knocking on your door. The testing is free of charge. Residents should know that notifications will be posted in the neighborhood, and randomly on doors of inviting participates to join the study.


The purpose of this study is to use serology testing (blood tests) to estimate the total number of people in the county who have been infected with the virus.

Here are the zip codes:

Phoenix
85009
85014
85017
85019
85022
85027
85031
85037
85041
85054
85086
85339

Mesa/Apache Junction
85120

Mesa
85203
85207

Chandler
85226
85249

Paradise Valley
85253

Scottsdale
85258
85260

Tempe
85281

Glendale
85304

Avondale
85323

Sun City West
85375

Peoria
85382

Wickenburg
85390
85390

For more information, you can call MCDPH at 480-965-8384 or e-mail them at [email protected]. Additional information can be found here.