Myelin-Associated Glycoprotein (MAG) Antibody (IgM), EIA

Test Code

37438

CPT Code(s)

83520

Test Code

37438

CPT Code(s)

83520

In-home collection may be available in your area for purchase through Quest Mobile.

Clinical Significance

Myelin-Associated Glycoprotein (MAG) Antibody (IgM), EIA - See available Test Resources

Test Resources

Clinical Focus

Paraneoplastic Neurological Syndromes: Laboratory Support of Diagnosis

Test Details

Methodology

Enzyme Immunoassay (EIA)

Assay Category

This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by FDA. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.

Reference Range(s)

<1:1600 titer

Normal	<1:1600
Moderately Elevated	1:1600-1:3200
Highly Elevated	≥1:6400

Alternative Name(s)

MAG Antibody

LOINC® Codes, Performing Laboratory

Service Area must be determined

Methodology

Enzyme Immunoassay (EIA)

Assay Category

Reference Range(s)

<1:1600 titer

Normal	<1:1600
Moderately Elevated	1:1600-1:3200
Highly Elevated	≥1:6400

Alternative Name(s)

MAG Antibody

LOINC® Codes, Performing Laboratory

Service Area must be determined

Preferred Specimen(s)

1 mL serum

Minimum Volume

0.2 mL

Transport Container

Transport tube

Transport Temperature

Refrigerated (cold packs)

Specimen Stability

Room temperature: 48 hours
Refrigerated: 7 days
Frozen: 30 days

Reject Criteria

Received room temperature

Setup Schedule

Service Area must be determined

Preferred Specimen(s)

1 mL serum

Minimum Volume

0.2 mL

Transport Container

Transport tube

Transport Temperature

Refrigerated (cold packs)

Specimen Stability

Room temperature: 48 hours
Refrigerated: 7 days
Frozen: 30 days

Reject Criteria

Received room temperature

Setup Schedule

Service Area must be determined

In-home collection may be available in your area for purchase through Quest Mobile.

Test Details

Clinical Significance

Test Resources

Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.

The CPT codes provided are based on AMA guidance and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.

This material contains content from LOINC® (http://loinc.org). The LOINC Table, LOINC Table Core are copyright © 1995-2019, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee and is available at no cost under the license at http://loinc.org/license.

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