Immunoglobulins, Quantitative, IgA, IgE, IgG, IgM

TEST: 002295
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CPT: 82784(x3); 82785
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Test Includes

Immunoglobulin A; immunoglobulin E; immunoglobulin G; and immunoglobulin M quantitation

Special Instructions

State patient's age on the request form.

This test may exhibit interference when sample is collected from a person who is consuming a supplement with a high dose of biotin (also termed as vitamin B7 or B8, vitamin H, or coenzyme R). It is recommended to ask all patients who may be indicated for this test about biotin supplementation. Patients should be cautioned to stop biotin consumption at least 72 hours prior to the collection of a sample.

Expected Turnaround Time

2 - 4 days

Turnaround time is defined as the usual number of days from the date of pickup of a specimen for testing to when the result is released to the ordering provider. In some cases, additional time should be allowed for additional confirmatory or additional reflex tests. Testing schedules may vary.

Related Documents

Specimen Requirements

Specimen

Serum

Volume

3 mL

Container

Red-top tube or gel-barrier tube

Storage Instructions

Samples suspected of having macroglobulins or cryoglobulins should be drawn and held at 37°C. Samples suspected of containing cold agglutinins should not be refrigerated prior to serum separation from clot.

Stability Requirements

Temperature

Period

Room temperature

14 days

Refrigerated

14 days

Frozen

14 days

Freeze/thaw cycles

Stable x3

Test Details

Methodology

IgG, IgA, IgM: Immunologic; IgE: Thermo Fisher ImmunoCAP®

LOINC® Map

Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC
002295 Immunoglobulins A/E/G/M, Serum 34550-4 001776 Immunoglobulin G, Qn, Serum mg/dL 2465-3
002295 Immunoglobulins A/E/G/M, Serum 34550-4 001784 Immunoglobulin A, Qn, Serum mg/dL 2458-8
002295 Immunoglobulins A/E/G/M, Serum 34550-4 001792 Immunoglobulin M, Qn, Serum mg/dL 2472-9
002295 Immunoglobulins A/E/G/M, Serum 34550-4 002173 Immunoglobulin E, Total IU/mL 19113-0

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