Published on November 13, 2018

Necrotizing Myopathy Evaluation

(Includes HMG-CoA IgG and SRP IgG; reflexed IFA Titer and SRP54 Immunoblot if SRP IgG Screen is suggestive of SRP Ab)

Tube Type = Gold Top

Tube Type

Test ID   LAB11182
EPIC ORDER
   NECROTIZING MYOPATHY EVALUATION; HMGCR AB; SRP AB
CPT Code(s)   82397, 86255 (86256 and 84182, if appropriate)
Group/Individual Test   Group
Laboratory   Core Referral Testing
Tube Station   30
Specimen Routine: 9 mL blood/red plain tube/gold SST tube also acceptable; See Comments
  Micro: 6 mL blood
Availability Routine: Reference Laboratory - Mayo Clinic Laboratories
Turnaround Time   10-17 days
Reference Range Normal: See separate report
     
Comments Sample must be spun and aliquoted within 2 hours of collection

Reviewed by J. Carr on December 17, 2025

UNC Hospitals
McLendon Clinical Laboratories
101 Manning Drive
Chapel Hill, NC 27514