Laboratory Test Information Guide

Details for Myositis Antibodies Profile

Test Name: Myositis Antibodies Profile
Alternate Name(s): Autoimmune Myositis Panel
Myositis-specific antibodies
Anti Mi-2 alpha
Anti Mi-2 beta
Anti TIF1 gamma
Anti MDA5
Anti NXP2
Anti SAE1
Anti Ku
Anti PM-Scl 100
Anti PM-Scl 75
Anti JO1
Anti SRP
Anti PL-7
Anti PL-12
Anti EJ
Anti OJ
Anti Ro-52
Laboratory: Clinical Immunology
Specimen Type: Adult:
5 mL Gold top Vacutainer tube or 6 mL Red top Vacutainer tube as well as EDTA, heparin or citrate plasma

0-2 years: Red 0.5 pk
2-10 years: 2 mL Red top
Collection Information: Minimum volume required for testing is 0.5 mL
Test Schedule: Batch analysis
Turnaround time from when specimen
is received in testing laboratory:
5 days
Reference Range: Negative
Effective Date: 2019-04-04
Revised Date: 2021-07-30
Critical Value:  
Interpretive Comments: Immunoblot results will be reported as either negative or positive for specific antibodies as the following.

1+ Weak Positive
2+ Positive
3+ Strong Positive
Special Processing:  
Comments: This test is available exclusively to Rheumatologists and Respirologists at LHSC/SJH and accepted from referred in locations.
Method of Analysis: Immunoblot
Critical Information Required:  
Storage & Shipment: Sample can be stored for up to 14 days at 4oC. For longer storage, store at -20oC.
System Codes: 
Referred To:  

Questions? Comments? Contact Laura Gopaul