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Biomarkers · Chemical

Glial Fibrillary Acidic Protein

Also listed as
GFAP, Glial Fibrillary Acid Protein
Primary unit
pg/mL
LOINC codes
97604-3, 100435-7
Tests that measure Glial Fibrillary Acidic Protein
Labcorp 3, Quest Diagnostics 1

Ranges

Each lab publishes a reference range for the population groups it tests, usually the middle 95% of results. These intervals describe that population, not an optimal or healthy target. How ranges differ

Labcorp, Glial Fibrillary Acid Protein (GFAP), Serum 484430

PopulationInterval
AgeRange (pg/mL)
≥60 y0.00−186.00
0 to 4 y0.00−276.00
50 to 59 y0.00−87.10
40 to 49 y0.00−65.80
20 to 39 y0.00−57.40
15 to 19 y0.00−68.20
10 to 14 y0.00−95.00
5 to 9 y0.00−133.00

Labcorp test catalog, 484430

Labcorp, Glial Fibrillary Acid Protein (GFAP), Plasma 484440

PopulationInterval
15 to 19 y0.00−68.20
≥60 y0.00−186.00
AgeRange (pg/mL)
10 to 14 y0.00−95.00
50 to 59 y0.00−87.10
40 to 49 y0.00−65.80
20 to 39 y0.00−57.40
0 to 4 y0.00−276.00
5 to 9 y0.00−133.00

Labcorp test catalog, 484440

Quest Diagnostics, Glial Fibrillary Acidic Protein (GFAP) 14319

PopulationInterval
≥60 years<156.9 pg/mL
<20 yearsNot Established
50-59 years<86.5 pg/mL
40-49 years<74.2 pg/mL
20-39 years<68.9 pg/mL

Quest Diagnostics test catalog, 14319

Tests

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

Labcorp 3 tests

Single-analyte tests

  • Glial Fibrillary Acid Protein (GFAP), Plasma 484440

    Plasma · Fasting not stated · Turnaround 1 - 3 days

    Method and collection
    Method
    Roche Diagnostics Electrochemiluminescence Immunoassay (ECLIA)
    Collection
    Draw blood in lavender-top (EDTA) tube. Invert to mix with preservatives. Centrifuge and transfer to a labeled plastic transport tube.
    Labcorp catalog page

  • Glial Fibrillary Acid Protein (GFAP), Serum 484430

    Serum · Fasting not stated · Turnaround 1 - 3 days

    Method and collection
    Method
    Roche Diagnostics Electrochemiluminescence Immunoassay (ECLIA)
    Collection
    If a red-top tube is used, transfer separated serum to a plastic transport tube.
    Labcorp catalog page

Panels that include this biomarker

  • Multiple Sclerosis Monitoring Profile 484495

    2 analytes · Serum · Fasting not stated · Turnaround 1 - 3 days

    Method and collection
    Method
    Roche Diagnostics Electrochemiluminescence Immunoassay (ECLIA)
    Collection
    If a red-top tube is used, transfer separated serum to a plastic transport tube.
    Labcorp catalog page

Quest Diagnostics 1 test

Single-analyte tests

  • Glial Fibrillary Acidic Protein (GFAP) 14319

    Plasma · Fasting not stated · Turnaround Set up: Tue-Sat

    Method and collection
    Method
    Electrochemiluminescence Immunoassay
    Preparation
    Patients should be cautioned to stop biotin consumption at least 72 hours prior to collection of a sample
    Collection
    Draw blood in EDTA (lavender-top) tube (invert to mix with preservatives) or serum separator tube or red-top tube (no gel). Centrifuge and transfer plasma or serum to a labeled plastic transport tube. Specify sample type collected on tube.
    Quest Diagnostics catalog page

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Sources

Verify these ranges and sources

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.

Interpret your own results with a licensed clinician, or track your lab history and health goals in Aumnivida.

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