Jo-1 Antibody, IgG : ARUP Lab Tests

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Jo-1 Antibody, IgG : 0099592

Mnemonic: ANTI-JO

Methodology:	Semi-Quantitative Multi-Analyte Fluorescent Detection
Performed:	Sun-Sat
Reported:	1-2 days
Specimen Required:	Collect: Serum separator tubes. Specimen Preparation: Separate serum from cells ASAP or within 2 hours of collection. Transfer 1 mL serum to an ARUP Standard Transport Tube. (Min: 0.2 mL) Storage/Transport Temperature: Refrigerated. Unacceptable Conditions: Plasma or other body fluids. Stability (collection to initiation of testing): After separation from the cells: Ambient: 48 hours; 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
Cross References:	Anti-Jo-1 Antibody (Jo-1 Antibody, IgG), Histidyl-tRNA Synthetase Antibodies (Jo-1 Antibody, IgG), Synthetase Antibody (Jo-1 Antibody, IgG)

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