ARUP's Laboratory Test Directory
| 0099592: Jo-1 Antibody, IgG |
| Test Mnemonic: ANTI-JO | |
|
Methodology: Multi-Analyte Fluorescent Detection
Performed: Sun-Sat Reported: 1-2 days |
| Specimen Required: | |
|
Collect: One 4 mL SST.
Transport: 1 mL serum at 2-8°C. (Min: 0.5 mL) Submit specimen in an ARUP Standard Transport Tube. Pediatric Collection/Transport: 0.15 mL serum at 2-8°C. Remarks: Separate serum from cells ASAP. Unacceptable Conditions: Plasma or other body fluids. Stability: After separation from the cells: Ambient: 2 days; Refrigerated: 2 weeks; Frozen: 1 year (avoid repeated freeze/thaw cycles) |
|
| Reference Interval: |
|
29 AU/mL or less: Negative 30-40 AU/mL: Equivocal 41 AU/mL or greater: Positive |
| Note: | |
| Presence of Jo-1 antibody is found in patients with pure polymyositis, pure dermatomyositis, or myositis associated with another rheumatic disease or with interstitial lung disease. |
| CPT Code(s): | |
| 86235 |