Pacific · Infectious Disease Testing

Infectious Disease Testing in California

Infectious Disease Testing can be ordered without a referral, and this guide covers what to expect. Infectious Disease Testing helps detect specific infections in the body. It's a convenient way to check for diseases like HIV and Zika.

Sample typeBlood draw at a collection lab

ReferralNo referral required

What this test is

Infectious Disease Testing involves laboratory tests designed to identify the presence of specific infectious agents in the body. These tests can detect viruses, bacteria, or other pathogens. Common tests include those for HIV and Zika virus.

What it measures

HIV — indicates presence of the Human Immunodeficiency Virus
Zika — reflects exposure to the Zika virus
Hepatitis B — shows presence of Hepatitis B virus
Hepatitis C — indicates presence of Hepatitis C virus
Chlamydia — detects Chlamydia trachomatis bacteria
Gonorrhea — detects Neisseria gonorrhoeae bacteria

What the test involves

The test typically involves a standard blood draw, where a healthcare professional collects a blood sample from a vein. In some cases, other types of samples, such as urine or saliva, may be used.

Why it is often ordered

Clinicians usually order infectious disease tests to diagnose or rule out specific infections based on symptoms or potential exposure. They may also be used to monitor the effectiveness of treatments for known infections.

Preparation

Preparation for the test depends on the specific infection being tested for. Always follow the collection lab's instructions for accurate results.

How results are reported

Test results are reported as either positive or negative for the presence of the pathogen. Reference ranges and interpretation can vary depending on the laboratory.

Before you go

Test availability for specific infections
Sample collection requirements
Turnaround time for results

Cities

Infectious Disease Testing in California communities

Choose your city for local context and to request this test.

Los Angeles12,121,244Infectious Disease Testing San Francisco3,290,197Infectious Disease Testing San Diego3,084,174Infectious Disease Testing Riverside2,022,285Infectious Disease Testing Sacramento1,924,167Infectious Disease Testing San Jose1,729,879Infectious Disease Testing Fresno719,558Infectious Disease Testing Concord640,270Infectious Disease Testing Bakersfield590,845Infectious Disease Testing Mission Viejo588,540Infectious Disease Testing Murrieta509,526Infectious Disease Testing Long Beach466,565Infectious Disease Testing Oakland437,548Infectious Disease Testing Stockton406,822Infectious Disease Testing Victorville389,060Infectious Disease Testing Modesto382,994Infectious Disease Testing Lancaster381,732Infectious Disease Testing Oxnard366,330Infectious Disease Testing Indio361,831Infectious Disease Testing Anaheim348,204Infectious Disease Testing Antioch322,796Infectious Disease Testing Santa Rosa314,196Infectious Disease Testing Santa Ana313,818Infectious Disease Testing Irvine297,868Infectious Disease Testing Santa Clarita275,230Infectious Disease Testing Chula Vista274,818Infectious Disease Testing Visalia249,804Infectious Disease Testing Fremont231,502Infectious Disease Testing San Bernardino220,821Infectious Disease Testing Thousand Oaks211,045Infectious Disease Testing Moreno Valley208,371Infectious Disease Testing Fontana208,087Infectious Disease Testing Salinas199,290Infectious Disease Testing Huntington Beach198,735Infectious Disease Testing Santa Barbara198,240Infectious Disease Testing Glendale196,512Infectious Disease Testing Hemet191,170Infectious Disease Testing Vallejo181,882Infectious Disease Testing Elk Grove175,510Infectious Disease Testing Ontario175,223Infectious Disease Testing Oceanside174,461Infectious Disease Testing Rancho Cucamonga173,946Infectious Disease Testing Garden Grove172,708Infectious Disease Testing Palmdale167,987Infectious Disease Testing Santa Cruz165,933Infectious Disease Testing Hayward162,254Infectious Disease Testing Corona157,844Infectious Disease Testing Merced157,617Infectious Disease Testing Sunnyvale155,550Infectious Disease Testing Pomona151,592Infectious Disease Testing Escondido151,443Infectious Disease Testing Torrance147,156Infectious Disease Testing Roseville145,687Infectious Disease Testing Fairfield145,163Infectious Disease Testing Fullerton142,964Infectious Disease Testing Santa Maria142,230Infectious Disease Testing Orange139,195Infectious Disease Testing Pasadena138,771Infectious Disease Testing Yuba City129,536Infectious Disease Testing Santa Clara127,922Infectious Disease Testing