Laboratory Test Information Guide

Details for Muscle Specific Tyrosine Kinase Antibodies

Test Name: Muscle Specific Tyrosine Kinase Antibodies
Alternate Name(s): ACHR Variant
MuSK Antibodies
MuSK Ab
Laboratory: Core
Specimen Type: Adult:
1-2 x 5 mL Gold top Vacutainer tube

Pediatric:
2-10 years: 1-3 x 3.5 mL Gold top Vacutainer tube
Collection Information: 2-5 mL serum required for testing
Requisition: UBC Neuro-Immunology Laboratory Requisition must be completed by neurologist
Test Schedule: Referred out Monday
Turnaround time from when specimen
is received in testing laboratory:
 
Routine
20 days
Stat
N/A
 
Reference Range: Negative
Effective Date: 2010-01-11
Revised Date: 2020-07-20
Critical Value:  
Interpretive Comments: Associated with Myasthenia Gravis
Special Processing: Centrifuge at 4 °C, transfer serum to cryovials and store at 4 °C.
Comments: Borderline results should be repeated.

This test is available exclusively neurologists at LHSC/SJH.
Method of Analysis: Proprietary Surface Plasmon Resonance method on a Biacore platform.
Critical Information Required:  
Storage & Shipment: Store serum at 4 °C and ship with ice packs.
Send samples together with a completely filled out requisition (see “Lab Requisition”).
System Codes: 
Cerner
MUSKAB
 
Referred To: Faculty of Medicine
Koerner Pavilion
Room S-157 (2nd floor), 2211 Wesbrook Mall
Vancouver, BC Canada V6T 2B5
Tel (Office) 604 822 7696 | (Lab) 604 822 7175
Fax 604 822 0758
Website: https://bcneuro.ca/
Email: neuroimm.lab@ubc.ca

Questions? Comments? Contact Laura Gopaul