Test ID: Z0108
CPT code: 86041
LOINC: 11034-6
Specimen Type: Red or SST
Frequency: 2 – 4 days
Instructions: 1 mL Serum from Red or SST, Refrigerated. Min 0.3 mL.
Text: Used in the diagnosis of myasthenia gravis (MG). MG is an acquired disorder of neuromuscular transmission that is characterized by skeletal muscle weakness and fatigability on exertion that is exacerbated by repeated muscle activity.
Methodology: This assay measures antibodies that precipitate solublized muscle AChR that has been complexed with radiolabeled alpha-bungarotoxin (aBTX)