Muscle specific kinase antibodies

Alphabetical Test listing

Muscle specific kinase antibodies-994

  
Muscle specific kinase antibodies
  
994
  
LAB994
  
MSO
  
AChR seronegative MG
Anti-MuSK
MG
MG antibodies
MuSK antibodies
Myasthenia Gravis
ACh receptor
  
  • Diagnosis of muscle-specific kinase (MuSK) myasthenia gravis.
  • Secondary or reflex test to aid in the diagnosis of autoimmune myasthenia gravis when first-line tests (acetylcholine receptor antibodies) are negative.
  • Serial measurement of MuSK antibodies to monitor MuSK MG treatment as MuSK antibody titer correlate with disease severity.
  
Serum
  

Gold serum separator (SST) tube

  
1.0 mL
  
0.5 mL
Submission of the minimum volume does not allow for repeat testing
  

Immediately following collection, mix sample by gently inverting 5 times

  
  1. Allow sample to clot for a minimum of 30 minutes
  2. Spin within two (2) hours of sample collection
  3. Transfer serum to a Transfer vial/tube with cap - 12mL (LabCorp), labelled as serum
  

Gold serum separator (SST) tube

 

  

Red serum vial/tube, 5 mL

  
  1. Allow sample to clot
  2. Spin within two (2) hours of sample collection
  3. Transfer serum to a Screw-cap polypropylene frozen transport vial/tube - 4mL (LabCorp), labelled as serum
  

Transfer vial/tube with cap - 12mL (LabCorp)

  

Ambient (preferred) - 14 days

Refrigerated - 14 days

Frozen -1 year

Freeze/thaw cycles - stable x6

 

  
  • Gross hemolysis
  • Lipemic sample
  
Esoterix Endocrinology (804600) via LabCorp (504600): R-NX
  
Th
  
8 - 13 days
  

Radioimmunoprecipitation Assay (RIPA)

  

< 1.0 U/mL

  
86366
  
All charges for this test will be billed back to the requesting site
  
Result 51716-9
  
05/24/2019
  
01/04/2024
  
12/20/2023