Test Details

Mnemonic

MGP3

Ordering Code

3400432

CPT-4 Code(s)

83519 x 3, 86255, plus 86256 if reflexed to titer, at an additional fee

Specimen Information

Patient Preparation

Includes Acetylcholine Receptor Binding Antibody, Acetylcholine Receptor Blocking Antibody,
*Acetylcholine Receptor Modulating Antibody, Striated Muscle Antibody with Reflex to Titer.
If Striated Muscle Antibody Screen is positive, then Striated Muscle Antibody Titer will be
performed at an additional charge.

Collect

Serum separator tube (SST)

Specimen Preparation

Centrifuge, separate serum from cells and send 2.0 mL serum in a screw capped plastic vial.

Alternate Specimen

Serum: Red top

Minimum Volume

0.8 mL

Transport Temperature

Refrigerated

Rejection Criteria

Gross hemolysis, grossly lipemic, microbially contaminated, grossly icteric

Stability

Room temperature: 4 days
Refrigerated: 14 days
Frozen: 30 days

Methodology

Radioimmunoassay (RIA), Radiobinding assay (RBA), Immunofluorescent Assay (IFA)
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Reference Range

See report
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Performing Laboratory

Quest SJC
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