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

Testing Algorithm Delineates situation(s) when tests are added to the initial order. This includes reflex and additional tests.

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

Reference Values Describes reference intervals and additional information for interpretation of test results. May include intervals based on age and sex when appropriate. Intervals are Mayo-derived, unless otherwise designated. If an interpretive report is provided, the reference value field will state this.

MAG Ab (IgM), Western Blot


Reference Range: Negative




Reference Range:

      < or = 1:1600





Reference ranges for MAG IgM Antibody:

   Normal:   <1:1600

   Moderately Elevated:  1:1600-1:3200

   Highly Elevated:  >1:6400


Test Performed by: Quest Diagnostics Nichols Institute

                              33608 Ortega Highway

                              San Juan Capistrano, CA 92690