Immunoglobulins, Quantitative, IgA, IgE, IgG, IgM

CPT: 82784(x3); 82785
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Test Details

Test Includes

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

Methodology

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

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

Clinical Information

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.

LOINC® Map

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

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The LOINC® codes are copyright © 1994-2018, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee. Permission is granted in perpetuity, without payment of license fees or royalties, to use, copy, or distribute the LOINC® codes for any commercial or non-commercial purpose, subject to the terms under the license agreement found at https://loinc.org/license/. Additional information regarding LOINC® codes can be found at LOINC.org, including the LOINC Manual, which can be downloaded at LOINC.org/downloads/files/LOINCManual.pdf