STD Booking Find and request a lab test

Pacific · CD4 Count Test – Lymphocyte Count for HIV & Immunodeficiency

CD4 Count Test – Lymphocyte Count for HIV & Immunodeficiency in California

This page explains the cd4 count test – lymphocyte count for hiv & immunodeficiency, what it measures, and how to order it. This test measures specific types of white blood cells, called lymphocytes, which are important for immune system function. It is often used to monitor the progression of HIV infection.

Typical turnaround1-3 business days
Price range$188
PreparationFollow the lab's instructions.
Sample typeBlood draw at a collection lab
ReferralNo referral required

What this test is

The CD4 Count test, also known as a CD4 lymphocyte count, measures the number of CD4 cells in your blood. These cells are a type of T-lymphocyte that play a crucial role in the immune system's ability to fight off infections.

What it measures

  • CD4 Lymphocytes — a key indicator of immune system health
  • CD8 Lymphocytes — another type of T-lymphocyte involved in immune response
  • CD4/CD8 Ratio — reflects the balance between different types of T-cells
  • CD3 Lymphocytes — total count of T-lymphocytes
  • CD19 Lymphocytes — a type of B-lymphocyte that produces antibodies
  • CD16/56 Lymphocytes — natural killer (NK) cells and some other immune cells

What the test involves

This test requires a standard blood draw from a vein in your arm. The collected blood sample is then sent to a laboratory for analysis.

Why it is often ordered

Clinicians typically order this test to assess the health of the immune system, particularly in individuals with HIV. It helps in evaluating the stage of the infection and guiding treatment decisions.

Preparation

No special preparation is usually needed for this test. However, always follow the specific instructions provided by the laboratory where your blood will be collected.

How results are reported

Results are typically available within a few business days and will be provided to your healthcare provider. Reference ranges, which indicate what is considered a typical amount, vary between laboratories.

Before you go

  • Fasting requirements
  • Specific collection time
  • How to get results

Cities

CD4 Count Test – Lymphocyte Count for HIV & Immunodeficiency in California communities

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

Los Angeles12,121,244CD4 Count Test – Lymphocyte Count for HIV & ImmunodeficiencySan Francisco3,290,197CD4 Count Test – Lymphocyte Count for HIV & ImmunodeficiencySan Diego3,084,174CD4 Count Test – Lymphocyte Count for HIV & ImmunodeficiencyRiverside2,022,285CD4 Count Test – Lymphocyte Count for HIV & ImmunodeficiencySacramento1,924,167CD4 Count Test – Lymphocyte Count for HIV & ImmunodeficiencySan Jose1,729,879CD4 Count Test – Lymphocyte Count for HIV & ImmunodeficiencyFresno719,558CD4 Count Test – Lymphocyte Count for HIV & ImmunodeficiencyConcord640,270CD4 Count Test – Lymphocyte Count for HIV & ImmunodeficiencyBakersfield590,845CD4 Count Test – Lymphocyte Count for HIV & ImmunodeficiencyMission Viejo588,540CD4 Count Test – Lymphocyte Count for HIV & ImmunodeficiencyMurrieta509,526CD4 Count Test – Lymphocyte Count for HIV & ImmunodeficiencyLong Beach466,565CD4 Count Test – Lymphocyte Count for HIV & ImmunodeficiencyOakland437,548CD4 Count Test – Lymphocyte Count for HIV & ImmunodeficiencyStockton406,822CD4 Count Test – Lymphocyte Count for HIV & ImmunodeficiencyVictorville389,060CD4 Count Test – Lymphocyte Count for HIV & ImmunodeficiencyModesto382,994CD4 Count Test – Lymphocyte Count for HIV & ImmunodeficiencyLancaster381,732CD4 Count Test – Lymphocyte Count for HIV & ImmunodeficiencyOxnard366,330CD4 Count Test – Lymphocyte Count for HIV & ImmunodeficiencyIndio361,831CD4 Count Test – Lymphocyte Count for HIV & ImmunodeficiencyAnaheim348,204CD4 Count Test – Lymphocyte Count for HIV & ImmunodeficiencyAntioch322,796CD4 Count Test – Lymphocyte Count for HIV & ImmunodeficiencySanta Rosa314,196CD4 Count Test – Lymphocyte Count for HIV & ImmunodeficiencySanta Ana313,818CD4 Count Test – Lymphocyte Count for HIV & ImmunodeficiencyIrvine297,868CD4 Count Test – Lymphocyte Count for HIV & ImmunodeficiencySanta Clarita275,230CD4 Count Test – Lymphocyte Count for HIV & ImmunodeficiencyChula Vista274,818CD4 Count Test – Lymphocyte Count for HIV & ImmunodeficiencyVisalia249,804CD4 Count Test – Lymphocyte Count for HIV & ImmunodeficiencyFremont231,502CD4 Count Test – Lymphocyte Count for HIV & ImmunodeficiencySan Bernardino220,821CD4 Count Test – Lymphocyte Count for HIV & ImmunodeficiencyThousand Oaks211,045CD4 Count Test – Lymphocyte Count for HIV & ImmunodeficiencyMoreno Valley208,371CD4 Count Test – Lymphocyte Count for HIV & ImmunodeficiencyFontana208,087CD4 Count Test – Lymphocyte Count for HIV & ImmunodeficiencySalinas199,290CD4 Count Test – Lymphocyte Count for HIV & ImmunodeficiencyHuntington Beach198,735CD4 Count Test – Lymphocyte Count for HIV & ImmunodeficiencySanta Barbara198,240CD4 Count Test – Lymphocyte Count for HIV & ImmunodeficiencyGlendale196,512CD4 Count Test – Lymphocyte Count for HIV & ImmunodeficiencyHemet191,170CD4 Count Test – Lymphocyte Count for HIV & ImmunodeficiencyVallejo181,882CD4 Count Test – Lymphocyte Count for HIV & ImmunodeficiencyElk Grove175,510CD4 Count Test – Lymphocyte Count for HIV & ImmunodeficiencyOntario175,223CD4 Count Test – Lymphocyte Count for HIV & ImmunodeficiencyOceanside174,461CD4 Count Test – Lymphocyte Count for HIV & ImmunodeficiencyRancho Cucamonga173,946CD4 Count Test – Lymphocyte Count for HIV & ImmunodeficiencyGarden Grove172,708CD4 Count Test – Lymphocyte Count for HIV & ImmunodeficiencyPalmdale167,987CD4 Count Test – Lymphocyte Count for HIV & ImmunodeficiencySanta Cruz165,933CD4 Count Test – Lymphocyte Count for HIV & ImmunodeficiencyHayward162,254CD4 Count Test – Lymphocyte Count for HIV & ImmunodeficiencyCorona157,844CD4 Count Test – Lymphocyte Count for HIV & ImmunodeficiencyMerced157,617CD4 Count Test – Lymphocyte Count for HIV & ImmunodeficiencySunnyvale155,550CD4 Count Test – Lymphocyte Count for HIV & ImmunodeficiencyPomona151,592CD4 Count Test – Lymphocyte Count for HIV & ImmunodeficiencyEscondido151,443CD4 Count Test – Lymphocyte Count for HIV & ImmunodeficiencyTorrance147,156CD4 Count Test – Lymphocyte Count for HIV & ImmunodeficiencyRoseville145,687CD4 Count Test – Lymphocyte Count for HIV & ImmunodeficiencyFairfield145,163CD4 Count Test – Lymphocyte Count for HIV & ImmunodeficiencyFullerton142,964CD4 Count Test – Lymphocyte Count for HIV & ImmunodeficiencySanta Maria142,230CD4 Count Test – Lymphocyte Count for HIV & ImmunodeficiencyOrange139,195CD4 Count Test – Lymphocyte Count for HIV & ImmunodeficiencyPasadena138,771CD4 Count Test – Lymphocyte Count for HIV & ImmunodeficiencyYuba City129,536CD4 Count Test – Lymphocyte Count for HIV & ImmunodeficiencySanta Clara127,922CD4 Count Test – Lymphocyte Count for HIV & Immunodeficiency