Muscle-specific receptor tyrosine kinase (MuSK) Antibody
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Diagnosis of autoimmune muscle-specific kinase (MuSK) myasthenia gravis. Second-order test to aid in the diagnosis of autoimmune myasthenia gravis when first-line serologic tests are negative. Establishing a quantitative baseline value for MuSK antibodies that allows comparison with future levels if weakness is worsening.
< or =0.02 nmol/L
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.