May be useful for evaluation of patients with progressive proximal muscle weakness and antisynthetase syndrome.
Qualitative Immunoprecipitation/Semi-Quantitative Multiplex Bead Assay
Mon, Tue, Thu, Fri
New York DOH Approval Status
Serum Separator Tube (SST).
Separate from cells ASAP or within 2 hours of collection. Transfer two 1 mL serum aliquots to ARUP Standard Transport Tubes. (Min: 0.5 mL/aliquot)
Hemolyzed, hyperlipemic, icteric, heat-treated or contaminated specimens.
Ambient: 48 hours; Refrigerated: 2 weeks; Frozen: 1 month
|Jo-1 (Histidyl-tRNA Synthetase) Ab, IgG||40 AU/mL or less|
|PL-7 (threonyl-tRNA synthetase) Antibody||Negative|
|PL-12 (alanyl-tRNA synthetase) Antibody||Negative|
|EJ (glycyl-tRNA synthetase) Antibody||Negative|
|SRP (Signal Recognition Particle) Ab||Negative|
|OJ (isoleucyl-tRNA synthetase) Antibody||Negative|
Refer to report.
This test was developed and its performance characteristics determined by ARUP Laboratories. It has not been cleared or approved by the US Food and Drug Administration. This test was performed in a CLIA certified laboratory and is intended for clinical purposes.
|Jo-1 Antibody, IgG||29 AU/mL or less
41 AU/mL or greater
Laboratory Developed Test (LDT)
Antibodies: PL-7, PL12, EJ, OJ, SRP, Jo-1
83516 x5; 86235
|Component Test Code*||Component Chart Name||LOINC|
|0099592||Jo-1 (Histidyl-tRNA Synthetase) Ab, IgG||33571-1|
|2010853||PL-7 (threonyl-tRNA synthetase) Antibody||33772-5|
|2010854||PL-12 (alanyl-tRNA synthetase) Antibody||33771-7|
|2010856||EJ (glycyl-tRNA synthetase) Antibody||45149-2|
|2010859||SRP (Signal Recognition Particle) Ab||33921-8|
|2010860||OJ (isoleucyl-tRNA synthetase) Antibody||45152-6|
|2013995||Polymyositis Interpretive Information||48767-8|