MuSK Antibody Test

Last Modified: 1/4/2024 12:03:51 PM


Medical Necessity Documentation:  
Client Notes:  
Patient Preparation:  
Specimen Requirements: 2.0 mL Serum from a Red Top Tube in a Plastic Vial
Collection Instructions: Label each specimen tube with two forms of patient identification. These forms of identification must also appear on the requisition form.
Minimum Volume: 0.5 mL Serum
Transport & Storage: Temperature/Stability: 72 hours Ambient
42 days Refrigerated
1 year Frozen

Serum stable up to 3 days at room temperature. Refrigerate if not shipped same day.
Shipping Conditions: Serum samples may be shipped frozen, refrigerated, or at room temperature. Serum samples shipped at room temperature must be received within 72 hours of draw.
Rejection Criteria: Hemolysis • Lipemia
Reference Range: <1:10
Critical Ranges:  
Test Comments:  
Methodology: Radioimmunoassay (RIA)
Clinical Significance: Detection of antibodies to muscle-specific receptor tyrosine kinase (MuSK) (titer test).
Documentation:  
Custom Panel: No

PRODUCTION SCHEDULE

Turn Around Time: 4 to 7 days
Days Performed: Sunday, Monday, Tuesday, Wednesday, Thursday, Friday
Sites Performed: Quest - Chantilly to Athena Labs
PHL Test Code: MUSK
EPIC Test Code: IMO5434
Send Out Test Code: 18842
Included Tests:  
CPT Coding: 86366

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