Geisinger Medical Laboratories/Geisinger Proven Diagnostics Test Catalog

Test Name: Sunquest Test Code Epic Procedure Code Or ID CPT Code:  

MUSK QUANTITATIVE TITERS ANTIBODY

ORDERING INFORMATION:
Sunquest Test Code:
MUSKAB      Geisinger Epic Procedure Code: MUSKAB         Geisinger Epic ID: 35489

SPECIMEN COLLECTION
Specimen type:
Serum.
Preferred collection container:
Specimen required:
2 mL aliquot serum; minimum 0.5 mL

SPECIMEN PROCESSING
Specimen processing instructions:
Allow to clot. Centrifuge 10 minutes at 3000 rpm. 
Transport temperature:
Refrigerated.
Specimen stability:
Room Temperature: 72 hours. Refrigerated: 42 days. Frozen: 1 year.
Rejection criteria:
Stability limits exceeded. Hemolysis, lipemia.

TEST DETAILS
Reference interval:
Absence of MuSK antibodies.
Additional information:
Turnaround time 7-14 days.
CPT code(s):
83519
Note: The billing party has sole responsibility for CPT coding.  Any questions regarding coding should be directed to the payer being billed.  The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.
Methodology:
Radioimmunoassay (RIA)
Immunoprecipitation
Synonyms:
Muscle Specific Receptor Tyrisone Kinase
Myasthenia Gravis
Quest test code 18842
Clinical significance:
Evaluates the presence of antibodies to muscle-specific receptor tyrosine kinase (MuSK).

Performing Locations

Quest Diagnostics

Technical Lead: Michael Weaver    
Frequency:    
Performed stat? No
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