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MuSK Antibody Test
Test Code93865
CPT Codes
⁠⁠⁠⁠⁠⁠⁠86366<br>**NON-ORDERABLE REFLEX CODE**
Preferred Specimen
2 mL serum
Minimum Volume
0.5 mL
Instructions
Please label each specimen tube with two forms of patient identification. These forms of identification must also appear on the requisition form.
Serum stable up to 72 hours 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.
Serum stable up to 72 hours 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.
Transport Temperature
Refrigerated (cold packs)
Specimen Stability
Room temperature: 72 hours
Refrigerated: 42 days
Frozen: 1 year
Refrigerated: 42 days
Frozen: 1 year
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Hemolysis • Lipemia • Whole blood
Methodology
Immunoassay (IA)
FDA Status
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by the FDA. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.
Setup Schedule
Set up: Mon-Sat; Report available: 3-6 days
Clinical Significance
Detection of antibodies to muscle-specific receptor tyrosine kinase (MuSK) (titer test).
