Casandra
Casandra Test Code QD51677Version 1 (DRAFT)
Performing Lab
Extended Myositis Specific Antibody (MSA) Panel
Also known as: Anti-p155/140, Nuclear matrix protein, Anti-p140 antibody, JDM, Juvenile dermatomyositis
Clinical Use
Order TestUse
The Extended Myositis Specific Antibody (MSA) panel is designed as an aid for the diagnosis of myopathies associated with autoantibody production. These include inflammatory myopathies (polymyositis, anti‑synthetase syndrome, dermatomyositis), necrotizing myopathies, including statin‑associated myopathy, and inclusion body myositis.
Special Instructions
Not provided.
Limitations
Not provided.
Test Details
Methodology
Immunoassay (Line Blot)
Biomarkers
12 targets
EJ AbHMGCR Ab (IgG)Jo‑1 AbMDA5 AbMi‑2 Alpha AbMi‑2 Beta AbNXP‑2 AbOJ Ab+4 more
Result Turnaround Time
2-5 days
Related Documents
For more information, please review the documents below
Specimen Requirements
Specimen
Serum
Volume
1.5 mL
Minimum Volume
0.9 mL
Container
red‑top tube (no gel)
Causes for Rejection
Moderate to gross hemolysis; received in serum separator tube
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 48 hours |
| Refrigerated | 14 days |
| Frozen | 14 days |
Related Tests
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