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Test ID: MUSK    
Muscle-Specific Kinase (MuSK) Autoantibody, Serum

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Useful For Suggests clinical disorders or settings where the test may be helpful

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

Testing Algorithm Delineates situations when tests are added to the initial order. This includes reflex and additional tests.

See Myasthenia Gravis Evaluation with MuSK Reflex Algorithm in Special Instructions.

Special Instructions Library of PDFs including pertinent information and forms related to the test

Method Name A short description of the method used to perform the test

Radioimmunoassay (RIA)

NY State Available Indicates the status of NY State approval and if the test is orderable for NY State clients.

Yes

Reporting Name Lists a shorter or abbreviated version of the Published Name for a test

MuSK Autoantibody, S

Aliases Lists additional common names for a test, as an aid in searching

MuSK