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HelpCatalog ID Ext Myo Extended Myositis Panel
Additional Codes
CPOE: Ref Extended Myositis Panel
DOE: Ref Ext Myo
Specimen
Gold SST tube, collect 6.0 mL blood
Centrifuge within 2 hours of collection
Serum, three (3) 1.0 mL aliquots in separate transport tubes, refrigerated
Rejection Criteria
Plasma, hemolyzed specimen, grossly lipemic specimen, icteric specimen, heat-treated specimen, contaminated specimen, insufficient quantity, unlabelled specimen
Interpretative Information
May be useful for differential evaluation of polymyositis, dermatomyositis, necrotizing autoimmune myopathy, or overlap syndromes associated with connective tissue disease.
Performing Lab
ARUP Laboratories
Turn-Around-Time
7-18 days
Reference Values
| Component | Reference Interval |
|---|---|
| Smith/RNP (ENA) Ab, IgG | 19 Units or less |
| SSA-52 (Ro52) (ENA) Antibody, IgG | 40 AU/mL or less |
| Jo-1 (Histidyl-tRNA Synthetase) Ab, IgG | 40 AU/mL or less |
| PM/Scl 100 Antibody, IgG | Negative |
| Mi-2 (nuclear helicase protein) Antibody | Negative |
| PL-7 (threonyl-tRNA synthetase) Antibody | Negative |
| PL-12 (alanyl-tRNA synthetase) Antibody | Negative |
| P155/140 Antibody | Negative |
| EJ (glycyl-tRNA synthetase) Antibody | Negative |
| Ku Antibody | Negative |
| SRP (Signal Recognition Particle) Ab | Negative |
| OJ (isoleucyl-tRNA synthetase) Antibody | Negative |
| SSA-60 (Ro60) (ENA) Antibody, IgG | 40 AU/mL or less |
| Fibrillarin (U3 RNP) Ab, IgG | Negative |
| SAE1 (SUMO activating enzyme) Ab | Negative |
| MDA5 (CADM-140) Ab | Negative |
| NXP2 (Nuclear matrix protein-2) Ab | Negative |
| TIF-1 gamma (155 kDa) Ab | Negative |