Biomarker Lens

Common biomarkers

  • Hemoglobin
  • Glucose
  • ALT
  • Apolipoprotein B
  • C-Reactive Protein, Cardiac
  • Ferritin
  • Alb/Creat Ratio, Urine
  • Alkaline Phosphatase
  • FSH
  • T4,Free(Direct)

Biomarkers · Chemical

CD4

Also listed as
% CD4
LOINC codes
8123-2
Tests that measure CD4
Quest Diagnostics 8

Tests

Check the catalog code, specimen, method and preparation for every test that measures CD4. Select up to five tests to compare them side by side.

Quest Diagnostics 8 tests

Panels that include this biomarker

  • Lymphocyte Subset Panel 5 8360

    3 analytes · Blood · Fasting not stated · Turnaround Set up: Daily

    Method and collection
    Method
    Flow Cytometry (FC)
    Collection
    If a CBC is also required, a separate EDTA (lavender-top) tube must be submitted.
    Reference notes
    See Laboratory Report
    Quest Diagnostics catalog page

  • Lymphocyte Subset Panel 4 7924

    6 analytes · Blood · Fasting not stated · Turnaround Set up: Daily

    Method and collection
    Method
    Flow Cytometry (FC)
    Collection
    If a CBC is also required, a separate EDTA (lavender-top) tube must be submitted.
    Reference notes
    See Laboratory Report
    Quest Diagnostics catalog page

  • Lymphocyte Subset Panel 3 7195

    8 analytes · Blood · Fasting not stated · Turnaround Set up: Daily

    Method and collection
    Method
    Flow Cytometry (FC)
    Collection
    If a CBC is also required, a separate EDTA (lavender-top) tube must be submitted.
    Reference notes
    See Laboratory Report
    Quest Diagnostics catalog page

  • Lymphocyte Subset Panel 2 36420

    10 analytes · Blood · Fasting not stated · Turnaround Set up: Daily

    Method and collection
    Method
    Flow Cytometry (FC)
    Collection
    If a CBC is also required, a separate EDTA (lavender-top) tube must be submitted.
    Reference notes
    See Laboratory Report
    Quest Diagnostics catalog page

  • Chronic Lymphocytic Leukemia (CLL)/Lymphoma Follow-up Panel 17818

    12 analytes · Blood · Fasting not stated

    Method and collection
    Method
    Flow Cytometry (FC)
    Collection
    Peripheral blood and bone marrow: The tube must be kept at room temperature and shipped to the lab immediately. Tissue: Any tissue type is acceptable. Tissue size is dependent upon leukocyte cellularity. (The tissue is disaggregated into single cells so that a minimum of 50,000 cells of interest are harvested.) Ship tissue in a sterile plastic container with RPMI 1640 enriched with FBS (10% FBS RPMI). Absolutely no fixative should be added. Refrigerate and ship immediately. Body fluids: Any body fluid is acceptable. Sample size is dependent upon cellularity of the sample. (A minimum of 50,000 cells of interest in total volume of fluid). Place fluid in sterile plastic container. Absolutely no fixative should be added. Refrigerate and ship immediately. A clinical indication and specimen source are required with each specimen. If possible, submit CBC results with differential or an EDTA tube of peripheral blood. Do not freeze and do not place in fixative. Because of the critical nature of these specimens, the laboratory will attempt to process all specimens received, regardless of age of specimen.
    Reference notes
    See Laboratory Report
    Quest Diagnostics catalog page

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Sources

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We compile this page from named laboratory catalogs, guidelines and studies. Labs calculate reference intervals from the people they test, for one assay method and one population group, so an interval describes that population rather than an optimal target.

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