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Muscle-Specific Receptor Tyrosine Kinase (MuSK) Antibody by RIA
2012420
Ordering Recommendation

Secondary diagnostic testing for patients with generalized or ocular myasthenia gravis and no detectable antibodies to acetylcholine receptor (AChR).

Mnemonic
MUSK
Methodology
Quantitative Radioimmunoassay
Performed
Varies
Reported
3-13 days
N/A
New York DOH Approval Status
This test is New York DOH approved.
Submit With Order
ARUP Consult®
Disease Topics
Specimen Required
Patient Preparation
 
Collect
Plain red. Also acceptable: Serum Separator Tube (SST). 
Specimen Preparation
Transfer 2 mL serum to an ARUP Standard Transport Tube. (Min: 0.5 mL) 
Storage/Transport Temperature
Refrigerated. Also acceptable: Room temperature or frozen. 
Unacceptable Conditions
 
Remarks
 
Stability
Ambient: 72 hours; Refrigerated: 1 month; Frozen: 1 month 
Reference Interval
By report
Interpretive Data


Components
Component Test Code*Component Chart NameLOINC
2012421Muscle-Specific Kinase Antibody by RIA51716-9
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
  • MuSK Autoantibody

Performed at Mayo