MAG AUTOANTIBODY

Specimen Required
Overnight fasting perferred. Draw blood in a SST. Centrifuge, separate and send 2.0 mL serum (0.6 mL minimum) refrigerated in a screw-capped plastic vial.

Alternate Specimen
Serum: Red-top tube

Rejection Criteria
Hemolysis

Methodology
Western Blot

Stability
Room Temperature: 24 hours; Refrigerated: 7 days; Frozen: 30 days

Reference Range
By report

Performed
Monday, Thursday

Turnaround Time5-9 days
Test CodeMAGAB
CPT-4 Code (s)
84181, plus 83520 x 2 if reflexed, at additional cost
LOINC Codes
31023-5

Warde
Medical
Laboratory