MyoMarker Panel 3 - LG6332


Sunquest Code:LSMISC  
Epic Code:LAB4909Epic Name:Send Outs Misc Test
Synonyms:Polymytosis; MSA; Myositis Specific Autoantibodies
Methodology:Radioimmunoprecipitation assay (RIPA); enzyme immunoassay (EIA)
CPT Code:83516 x9, 86235 x4, 83520 x3
Test Includes:Jo-1, Mi-2, PL-12, EJ, OJ, SRP, Ku, U2 snRNP, PM/Scl, MDA5, NXP2, TIF-1y, Ssa 52 kD, IgG, U1 RNP, Fibrillarin U3 RNP
Turnaround Time:Specimens are sent to reference laboratory Mon-Fri; results are reported within 10-14 days.


Collection Instructions

Specimen:Blood
Optimal Volume:8 mL
Minimum\Peds Volume:6.2 mL
Container:Red or gold (gel) (Purple (EDTA), Red (no gel))


Processing and Shipping

Specimen Processing:Centrifuge and aliquot 4 mL, 3 mL minimum. Store in refrigerator.
Shipping Instructions:Ship at refrigerated temperature.
Test Performed at or Referral Lab Lab Sendouts  (RDL via ARUP)
Referral Lab number:1222


Interpretive

Reference Range:By report.
Use:The idopathic inflammatory myopathies (IM) are a heterogeneous group of disorders characterized by muscle weakness, resulting from chronic muscle inflammation of unknown cause. Patients with IM have a variety of autoantibodies with various clinical utilities. One group of these autoantibodies which is found only in patients with myositis, is known as a myositis specific autoantibodies (MSA) The myositis antibodies have been shown to be highly specific for patients with polymyositis, dermatomyositis and overlap.


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