Test for the laboratory diagnosis of myasthenia gravis (MG)

Specimen Type: Serum

Collection Container: Gold Top, Serum Separator

Desired Specimen Volume: 0.5 mL

1. Collect a gold top, serum separator tube via venipuncture

1. Separate serum form cells. 
2. Transfer 0.5 mL of serum to a clear aliquot tube.

No isotopes administered 24 hours prior to venipuncture

Transport to the laboratory refrigerated. 

• Gross hemolysis
• Gross icterus
• Gross lipemia

See patient report.

In rare cases AChR antibodies can be found in patients with other autoimmune disorders or with thymoma without MG.

The causative autoantibody cannot be identified in up to 10 percent of patients with MG.

• AChR-binding Antibodies
• ACRAB
• Myasthenia Gravis Antibody
• Acetylcholine Receptor (AChR)-binding Antibodies