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Sulfatide Autoantibodies, Serum

Test ID: SULFABQST
Test
Specimen
Performance / Interpretation
Interface / Setup

Test

Method

ELISA

Report Includes

Sulfatide IgG Titer; Sulfatide IgM Titer

Specimens

Serum

Test Location

Quest Diagnostics, California USA

Test Version

30-Sep-2019

Specimen

Specimens

Serum

Sample Volume

2 mL

Minimum Volume

0.5 mL

Specimen Comment

Gel-separator tubes are acceptable.

Collection & Handling

Handling Information

Serum must be separated from whole blood within 48 hours of collection. Store and send cold.

Stability

Ambient 72 hours
Refrigerated 21 days
Frozen 1 Year

Test Version

30-Sep-2019

Performance / Interpretation

Method

ELISA

Turnaround Time

12 days

Results

Name Units Reference Range Conversion Factor
Anti-Sulfatide IgG Titre
  • Negative <1:2000
  • Positive ≥1:2000
  • Samples in the borderline range have an elevated level of anti-sulfatide antibodies on the screen assay, but the level of antibodies is below the positive cut-off value.
Sulfatide IgM Titer
  • Negative <1:2000
  • Positive ≥1:2000
  • Samples in the borderline range have an elevated level of anti-sulfatide antibodies on the screen assay, but the level of antibodies is below the positive cut-off value.

Test Location

Quest Diagnostics, California USA

Test Version

30-Sep-2019

Interface / Setup

Test Version

30-Sep-2019