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Pacific · Vitamin B12 Deficiency Test

Vitamin B12 Deficiency Test in California

Vitamin B12 Deficiency Test is a laboratory test you can request directly. The Vitamin B12 Deficiency Test measures Vitamin B12 levels in the blood to help assess nutritional status.

Sample typeBlood draw at a collection lab
ReferralNo referral required

What this test is

This test evaluates the concentration of Vitamin B12 in the blood. Vitamin B12 is essential for nerve function and the production of DNA and red blood cells. A deficiency can lead to various health issues.

What it measures

  • Vitamin B12 — reflects the level of Vitamin B12 in the blood

What the test involves

The test involves a standard blood draw, where a healthcare professional collects a blood sample from a vein in your arm.

Why it is often ordered

Clinicians typically order this test to investigate symptoms that may suggest a Vitamin B12 deficiency. It is also used to monitor individuals with conditions affecting nutrient absorption.

Preparation

Preparation for the test may vary, so it's important to follow the specific instructions provided by the laboratory conducting the test.

How results are reported

Results are reported as a concentration of Vitamin B12 in the blood. Reference ranges can differ between laboratories, so it's important to discuss your results with a healthcare provider.

Before you go

  • Sample collection method
  • Specific preparation instructions
  • Expected turnaround time

Cities

Vitamin B12 Deficiency Test in California communities

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

Los Angeles12,121,244Vitamin B12 Deficiency TestSan Francisco3,290,197Vitamin B12 Deficiency TestSan Diego3,084,174Vitamin B12 Deficiency TestRiverside2,022,285Vitamin B12 Deficiency TestSacramento1,924,167Vitamin B12 Deficiency TestSan Jose1,729,879Vitamin B12 Deficiency TestFresno719,558Vitamin B12 Deficiency TestConcord640,270Vitamin B12 Deficiency TestBakersfield590,845Vitamin B12 Deficiency TestMission Viejo588,540Vitamin B12 Deficiency TestMurrieta509,526Vitamin B12 Deficiency TestLong Beach466,565Vitamin B12 Deficiency TestOakland437,548Vitamin B12 Deficiency TestStockton406,822Vitamin B12 Deficiency TestVictorville389,060Vitamin B12 Deficiency TestModesto382,994Vitamin B12 Deficiency TestLancaster381,732Vitamin B12 Deficiency TestOxnard366,330Vitamin B12 Deficiency TestIndio361,831Vitamin B12 Deficiency TestAnaheim348,204Vitamin B12 Deficiency TestAntioch322,796Vitamin B12 Deficiency TestSanta Rosa314,196Vitamin B12 Deficiency TestSanta Ana313,818Vitamin B12 Deficiency TestIrvine297,868Vitamin B12 Deficiency TestSanta Clarita275,230Vitamin B12 Deficiency TestChula Vista274,818Vitamin B12 Deficiency TestVisalia249,804Vitamin B12 Deficiency TestFremont231,502Vitamin B12 Deficiency TestSan Bernardino220,821Vitamin B12 Deficiency TestThousand Oaks211,045Vitamin B12 Deficiency TestMoreno Valley208,371Vitamin B12 Deficiency TestFontana208,087Vitamin B12 Deficiency TestSalinas199,290Vitamin B12 Deficiency TestHuntington Beach198,735Vitamin B12 Deficiency TestSanta Barbara198,240Vitamin B12 Deficiency TestGlendale196,512Vitamin B12 Deficiency TestHemet191,170Vitamin B12 Deficiency TestVallejo181,882Vitamin B12 Deficiency TestElk Grove175,510Vitamin B12 Deficiency TestOntario175,223Vitamin B12 Deficiency TestOceanside174,461Vitamin B12 Deficiency TestRancho Cucamonga173,946Vitamin B12 Deficiency TestGarden Grove172,708Vitamin B12 Deficiency TestPalmdale167,987Vitamin B12 Deficiency TestSanta Cruz165,933Vitamin B12 Deficiency TestHayward162,254Vitamin B12 Deficiency TestCorona157,844Vitamin B12 Deficiency TestMerced157,617Vitamin B12 Deficiency TestSunnyvale155,550Vitamin B12 Deficiency TestPomona151,592Vitamin B12 Deficiency TestEscondido151,443Vitamin B12 Deficiency TestTorrance147,156Vitamin B12 Deficiency TestRoseville145,687Vitamin B12 Deficiency TestFairfield145,163Vitamin B12 Deficiency TestFullerton142,964Vitamin B12 Deficiency TestSanta Maria142,230Vitamin B12 Deficiency TestOrange139,195Vitamin B12 Deficiency TestPasadena138,771Vitamin B12 Deficiency TestYuba City129,536Vitamin B12 Deficiency TestSanta Clara127,922Vitamin B12 Deficiency Test