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Jo-1 Antibody
Test Code2173
Quest Code
5810
Alias/See Also
Quest 5810; Sunquest: JOAB
CPT Codes
86235
Preferred Specimen
1 mL serum
Minimum Volume
0.5 mL
Transport Container
Transport tube
Transport Temperature
Room temperature
Specimen Stability
Room temperature: 4 days
Refrigerated: 7 days
Frozen: 30 days
Refrigerated: 7 days
Frozen: 30 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis • Grossly lipemic • Grossly icteric
Methodology
Immunoassay (IA)
Setup Schedule
Tues-Sat
Report Available
3 days
Reference Range
<1.0 AI Negative
Clinical Significance
Jo-1 Antibody occurs most frequently (31%) in patients with polymyositis, but has also been found in patients with dermatomyositis, and the polymyositis/scleroderma "overlap syndrome" (PM/SCL) or polymyositis/systemic lupus erythematosis "overlap syndrome" (PM/SLE).
Performing Laboratory
| Quest Diagnostics - Great Lakes Region |
