Ordering Recommendation

May be useful for evaluation of patients with progressive proximal muscle weakness and antisynthetase syndrome.

Mnemonic
POLY MYO
Methodology

Qualitative Immunoprecipitation/Semi-Quantitative Multiplex Bead Assay

Performed

Mon, Tue, Thu, Fri

Reported

7-18 days

New York DOH Approval Status
This test is New York DOH approved.
Specimen Required
Patient Preparation
Collect

Serum Separator Tube (SST).

Specimen Preparation

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)

Storage/Transport Temperature

Refrigerated.

Unacceptable Conditions

Hemolyzed, hyperlipemic, icteric, heat-treated or contaminated specimens.

Remarks
Stability

Ambient: 48 hours; Refrigerated: 2 weeks; Frozen: 1 year

Reference Interval
Test Number
Components
Reference Interval
0099592 Jo-1 Antibody, IgG
29 AU/mL or less Negative
30-40 AU/mL Equivocal
41 AU/mL or greater Positive

  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

Interpretive Data

Refer to report.

Compliance Statement B: For laboratory developed tests not using a RUO kit, and for FDA approved, cleared or 510(k) exempt assays with alterations. This test was developed and its performance characteristics determined by ARUP Laboratories. The U. S. Food and Drug Administration has not approved or cleared this test; however, FDA clearance or approval is not currently required for clinical use. The results are not intended to be used as the sole means for clinical diagnosis or patient management decisions.

Note

Antibodies: PL-7, PL12, EJ, OJ, SRP, Jo-1

Hotline History
N/A
CPT Codes

83516 x5; 86235

Components
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
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
Polymyositis Panel