LGI1 Antibody Test

LGI1 Antibody Test

Test Code

92416
86255
92416
86255
Not offered in Quest Diagnostics Nichols Institute (IFD) – San Juan Capistrano. Please provide SERVICE AREA INFORMATION to find available tests you can order.
In-home collection may be available in your area for purchase through Quest Mobile.

Clinical Significance

LGI1 Antibody Test - Anti-LGI1 antibody is found in patients with the acute or subacute onset of limbic encephalitis, or faciobrachial dystonic seizures.

Test Details

Methodology

Immunofluorescence Assay (IFA)

Assay Category

This test was developed and its analytical performance characteristics have been determined by Athena 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)

Technical Results Negative

LOINC® Codes, Performing Laboratory

Methodology

Immunofluorescence Assay (IFA)
This test was developed and its analytical performance characteristics have been determined by Athena 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)

Technical Results Negative

Preferred Specimen(s)

2 mL serum

Alternative Specimen(s)

CSF collected in: Sterile leak-proof container

Minimum Volume

0.5 mL

Collection Instructions

Serum must be separated from whole blood within 48 hours of collection.

Note: Please label each specimen tube with two forms of patient identification. These forms of identification must also appear on the requisition form.

Transport Container

Tranpsort tube

Transport Temperature

Refrigerated (cold packs)

Specimen Stability

  • Room temperature: 72 hours
  • Refrigerated: 28 days
  • Frozen: 28 days

Reject Criteria

Gross hemolysis • Grossly lipemic • Grossly icteric • Turbid • Bacterial contamination

Setup Schedule

2 mL serum
CSF collected in: Sterile leak-proof container
0.5 mL
Serum must be separated from whole blood within 48 hours of collection.

Note: Please label each specimen tube with two forms of patient identification. These forms of identification must also appear on the requisition form.
Tranpsort tube
Refrigerated (cold packs)
Room temperature: 72 hours
Refrigerated: 28 days
Frozen: 28 days
Gross hemolysis • Grossly lipemic • Grossly icteric • Turbid • Bacterial contamination
Not offered in Quest Diagnostics Nichols Institute (IFD) – San Juan Capistrano. Please provide SERVICE AREA INFORMATION to find available tests you can order.
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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