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Pacific · IgA Lab Test – Immunoglobulin A Testing

IgA Lab Test – Immunoglobulin A Testing in California

IgA Lab Test – Immunoglobulin A Testing is a laboratory test you can request directly. The IgA Lab Test measures the level of immunoglobulin A in the blood, which plays a role in the immune system.

Sample typeBlood draw at a collection lab
ReferralNo referral required

What this test is

The IgA test is a blood test that evaluates the concentration of immunoglobulin A, an antibody that helps protect the body from infections. It is part of the body's immune response and is found in mucous membranes, particularly in the respiratory and gastrointestinal tracts.

What it measures

  • Immunoglobulin A (IgA) — reflects immune system function

What the test involves

The test involves a standard blood draw, typically from a vein in the arm. The sample is then analyzed in a laboratory to determine IgA levels.

Why it is often ordered

Clinicians may order this test to assess immune function or investigate symptoms such as frequent infections. It can also help evaluate conditions related to the digestive system.

Preparation

Preparation instructions should be obtained from the lab conducting the test. Follow any specific guidelines provided by the laboratory.

How results are reported

Results are reported as a concentration of IgA in the blood. Reference ranges can differ between laboratories, so it's important to discuss results with a healthcare provider.

Before you go

  • Turnaround time for results
  • Specific preparation instructions
  • Sample collection details

Cities

IgA Lab Test – Immunoglobulin A Testing in California communities

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

Los Angeles12,121,244IgA Lab Test – Immunoglobulin A TestingSan Francisco3,290,197IgA Lab Test – Immunoglobulin A TestingSan Diego3,084,174IgA Lab Test – Immunoglobulin A TestingRiverside2,022,285IgA Lab Test – Immunoglobulin A TestingSacramento1,924,167IgA Lab Test – Immunoglobulin A TestingSan Jose1,729,879IgA Lab Test – Immunoglobulin A TestingFresno719,558IgA Lab Test – Immunoglobulin A TestingConcord640,270IgA Lab Test – Immunoglobulin A TestingBakersfield590,845IgA Lab Test – Immunoglobulin A TestingMission Viejo588,540IgA Lab Test – Immunoglobulin A TestingMurrieta509,526IgA Lab Test – Immunoglobulin A TestingLong Beach466,565IgA Lab Test – Immunoglobulin A TestingOakland437,548IgA Lab Test – Immunoglobulin A TestingStockton406,822IgA Lab Test – Immunoglobulin A TestingVictorville389,060IgA Lab Test – Immunoglobulin A TestingModesto382,994IgA Lab Test – Immunoglobulin A TestingLancaster381,732IgA Lab Test – Immunoglobulin A TestingOxnard366,330IgA Lab Test – Immunoglobulin A TestingIndio361,831IgA Lab Test – Immunoglobulin A TestingAnaheim348,204IgA Lab Test – Immunoglobulin A TestingAntioch322,796IgA Lab Test – Immunoglobulin A TestingSanta Rosa314,196IgA Lab Test – Immunoglobulin A TestingSanta Ana313,818IgA Lab Test – Immunoglobulin A TestingIrvine297,868IgA Lab Test – Immunoglobulin A TestingSanta Clarita275,230IgA Lab Test – Immunoglobulin A TestingChula Vista274,818IgA Lab Test – Immunoglobulin A TestingVisalia249,804IgA Lab Test – Immunoglobulin A TestingFremont231,502IgA Lab Test – Immunoglobulin A TestingSan Bernardino220,821IgA Lab Test – Immunoglobulin A TestingThousand Oaks211,045IgA Lab Test – Immunoglobulin A TestingMoreno Valley208,371IgA Lab Test – Immunoglobulin A TestingFontana208,087IgA Lab Test – Immunoglobulin A TestingSalinas199,290IgA Lab Test – Immunoglobulin A TestingHuntington Beach198,735IgA Lab Test – Immunoglobulin A TestingSanta Barbara198,240IgA Lab Test – Immunoglobulin A TestingGlendale196,512IgA Lab Test – Immunoglobulin A TestingHemet191,170IgA Lab Test – Immunoglobulin A TestingVallejo181,882IgA Lab Test – Immunoglobulin A TestingElk Grove175,510IgA Lab Test – Immunoglobulin A TestingOntario175,223IgA Lab Test – Immunoglobulin A TestingOceanside174,461IgA Lab Test – Immunoglobulin A TestingRancho Cucamonga173,946IgA Lab Test – Immunoglobulin A TestingGarden Grove172,708IgA Lab Test – Immunoglobulin A TestingPalmdale167,987IgA Lab Test – Immunoglobulin A TestingSanta Cruz165,933IgA Lab Test – Immunoglobulin A TestingHayward162,254IgA Lab Test – Immunoglobulin A TestingCorona157,844IgA Lab Test – Immunoglobulin A TestingMerced157,617IgA Lab Test – Immunoglobulin A TestingSunnyvale155,550IgA Lab Test – Immunoglobulin A TestingPomona151,592IgA Lab Test – Immunoglobulin A TestingEscondido151,443IgA Lab Test – Immunoglobulin A TestingTorrance147,156IgA Lab Test – Immunoglobulin A TestingRoseville145,687IgA Lab Test – Immunoglobulin A TestingFairfield145,163IgA Lab Test – Immunoglobulin A TestingFullerton142,964IgA Lab Test – Immunoglobulin A TestingSanta Maria142,230IgA Lab Test – Immunoglobulin A TestingOrange139,195IgA Lab Test – Immunoglobulin A TestingPasadena138,771IgA Lab Test – Immunoglobulin A TestingYuba City129,536IgA Lab Test – Immunoglobulin A TestingSanta Clara127,922IgA Lab Test – Immunoglobulin A Testing