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Test ID FMGA Myelin Assoc. Glycoprotein (MAG) Antibody w/Reflex to MAG-SGPG & MAG, EIA

Reflex Tests

Test ID Reporting Name Available Separately Always Performed
FMGS MAG EIA Reflex No No

Testing Algorithm

If FMGA is Positive, then FMGS (MAG EIA Reflex) will be performed at an additional charge.

Method Name

Western Blot (WB)

Enzyme Immunoassay (EIA) (if appropriate)

Reporting Name

MAG w/Reflex MAG-SGPG and MAG, EIA

Specimen Type

Serum

Draw blood in a plain, red-top tube(s), serum gel tube(s) is acceptable. Spin down and send 2 mL of serum refrigerated in a plastic vial.

Specimen Minimum Volume

0.6 mL

Specimen Stability Information

Specimen Type Temperature Time
Serum Refrigerated (preferred) 7 days
  Frozen  30 days
  Ambient  24 hours

Reference Values

MAG Ab (IgM), Western Blot

 

Reference Range: Negative

 

MAG-SGPG Ab (IgM), EIA

 

Reference Range:

      ≤ 1:1600

 

MAG Ab (IgM), EIA

 

     <1:1600

Reference ranges for MAG IgM Antibody:

   Normal:   <1:1600

   Moderately Elevated:  1:1600-1:3200

   Highly Elevated:  >1:6400

 

Day(s) Performed

Monday, Wednesday

Report Available

5 days

Performing Laboratory

Quest Diagnostics Nichols Institute

Test Classification

This test was developed and its performance characteristics have been determined by Quest Diagnostics Nichols Institute, San Juan Capistrano. It has not been cleared or approved by the U.S. Food and Drug Administration. The FDA has determined that such clearance or approval is not necessary. Performance characteristics refer to the analytical performance of the test.

CPT Code Information

84181-Western blot with interpretation and report

83520 x 2-Not otherwise specified (if appropriate)

NY State Approved

Yes