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Pacific · Oyster Allergy Test – Shellfish Allergy

Oyster Allergy Test – Shellfish Allergy in California

This page explains the oyster allergy test – shellfish allergy, what it measures, and how to order it. The Oyster Allergy Test helps identify if you have an allergy to oysters, a type of shellfish, by measuring specific IgE antibodies in your blood.

Sample typeBlood draw at a collection lab
ReferralNo referral required

What this test is

This test detects the presence of IgE antibodies that are specific to oyster allergens. It is used to help determine if an allergic reaction to oysters is likely. The test is part of a broader category of shellfish allergy testing.

What it measures

  • Oyster-specific IgE — reflects the immune system's response to oyster proteins

What the test involves

A standard blood draw is performed to collect a small sample. This sample is then analyzed in a laboratory to measure IgE antibody levels.

Why it is often ordered

A clinician may order this test if there are symptoms suggestive of a shellfish allergy, such as hives or digestive issues after eating oysters. It helps in assessing the likelihood of an allergic reaction.

Preparation

Preparation instructions should be obtained from the lab conducting the test. Following these instructions ensures accurate results.

How results are reported

Results indicate the level of IgE antibodies specific to oysters and are reported in a qualitative manner. Reference ranges for results can vary by laboratory.

Before you go

  • Test availability
  • Sample collection instructions
  • Turnaround time for results

Cities

Oyster Allergy Test – Shellfish Allergy in California communities

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

Los Angeles12,121,244Oyster Allergy Test – Shellfish AllergySan Francisco3,290,197Oyster Allergy Test – Shellfish AllergySan Diego3,084,174Oyster Allergy Test – Shellfish AllergyRiverside2,022,285Oyster Allergy Test – Shellfish AllergySacramento1,924,167Oyster Allergy Test – Shellfish AllergySan Jose1,729,879Oyster Allergy Test – Shellfish AllergyFresno719,558Oyster Allergy Test – Shellfish AllergyConcord640,270Oyster Allergy Test – Shellfish AllergyBakersfield590,845Oyster Allergy Test – Shellfish AllergyMission Viejo588,540Oyster Allergy Test – Shellfish AllergyMurrieta509,526Oyster Allergy Test – Shellfish AllergyLong Beach466,565Oyster Allergy Test – Shellfish AllergyOakland437,548Oyster Allergy Test – Shellfish AllergyStockton406,822Oyster Allergy Test – Shellfish AllergyVictorville389,060Oyster Allergy Test – Shellfish AllergyModesto382,994Oyster Allergy Test – Shellfish AllergyLancaster381,732Oyster Allergy Test – Shellfish AllergyOxnard366,330Oyster Allergy Test – Shellfish AllergyIndio361,831Oyster Allergy Test – Shellfish AllergyAnaheim348,204Oyster Allergy Test – Shellfish AllergyAntioch322,796Oyster Allergy Test – Shellfish AllergySanta Rosa314,196Oyster Allergy Test – Shellfish AllergySanta Ana313,818Oyster Allergy Test – Shellfish AllergyIrvine297,868Oyster Allergy Test – Shellfish AllergySanta Clarita275,230Oyster Allergy Test – Shellfish AllergyChula Vista274,818Oyster Allergy Test – Shellfish AllergyVisalia249,804Oyster Allergy Test – Shellfish AllergyFremont231,502Oyster Allergy Test – Shellfish AllergySan Bernardino220,821Oyster Allergy Test – Shellfish AllergyThousand Oaks211,045Oyster Allergy Test – Shellfish AllergyMoreno Valley208,371Oyster Allergy Test – Shellfish AllergyFontana208,087Oyster Allergy Test – Shellfish AllergySalinas199,290Oyster Allergy Test – Shellfish AllergyHuntington Beach198,735Oyster Allergy Test – Shellfish AllergySanta Barbara198,240Oyster Allergy Test – Shellfish AllergyGlendale196,512Oyster Allergy Test – Shellfish AllergyHemet191,170Oyster Allergy Test – Shellfish AllergyVallejo181,882Oyster Allergy Test – Shellfish AllergyElk Grove175,510Oyster Allergy Test – Shellfish AllergyOntario175,223Oyster Allergy Test – Shellfish AllergyOceanside174,461Oyster Allergy Test – Shellfish AllergyRancho Cucamonga173,946Oyster Allergy Test – Shellfish AllergyGarden Grove172,708Oyster Allergy Test – Shellfish AllergyPalmdale167,987Oyster Allergy Test – Shellfish AllergySanta Cruz165,933Oyster Allergy Test – Shellfish AllergyHayward162,254Oyster Allergy Test – Shellfish AllergyCorona157,844Oyster Allergy Test – Shellfish AllergyMerced157,617Oyster Allergy Test – Shellfish AllergySunnyvale155,550Oyster Allergy Test – Shellfish AllergyPomona151,592Oyster Allergy Test – Shellfish AllergyEscondido151,443Oyster Allergy Test – Shellfish AllergyTorrance147,156Oyster Allergy Test – Shellfish AllergyRoseville145,687Oyster Allergy Test – Shellfish AllergyFairfield145,163Oyster Allergy Test – Shellfish AllergyFullerton142,964Oyster Allergy Test – Shellfish AllergySanta Maria142,230Oyster Allergy Test – Shellfish AllergyOrange139,195Oyster Allergy Test – Shellfish AllergyPasadena138,771Oyster Allergy Test – Shellfish AllergyYuba City129,536Oyster Allergy Test – Shellfish AllergySanta Clara127,922Oyster Allergy Test – Shellfish Allergy