Test Code NMS1 Necrotizing Myopathy Evaluation, Serum
Ordering Guidance
Before ordering this test, assess the probability of the patient having immune-mediated necrotizing myopathy by using the Immune-mediated necrotizing myopathy calculator.
Necessary Information
Provide the following information:
-Relevant clinical information
-Ordering provider name, phone number, mailing address, and e-mail address
Specimen Required
Collection Container/Tube:
Preferred: Red top
Acceptable: Serum gel
Submission Container/Tube: Plastic vial
Specimen Volume: 3 mL
Collection Instructions: Centrifuge within 2 hours of collection and aliquot serum into a plastic vial.
Specimen Type
SerumSpecimen Minimum Volume
2 mL
Specimen Stability Information
Specimen Type | Temperature | Time | Special Container |
---|---|---|---|
Serum | Refrigerated (preferred) | 28 days | |
Frozen | 28 days | ||
Ambient | 72 hours |
Reject Due To
Gross hemolysis | Reject |
Gross lipemia | Reject |
Gross icterus | Reject |
Reference Values
3-Hydroxy-3-Methylglutaryl Coenzyme-A (HMG-CoA) Reductase:
<20.0 CU
Signal Recognition Particle Antibody Screen:
Negative
Signal Recognition Particle Antibody:
Negative
Signal Recognition Particle Antibody, Titer:
<1:240
Day(s) Performed
Tuesday, Thursday
Report Available
10 to 14 daysSpecimen Retention Time
28 daysPerforming Laboratory
Mayo Clinic Laboratories in RochesterCPT Code Information
86255
82397
86256 (if appropriate)
84182 (if appropriate)
Reflex Tests
Test ID | Reporting Name | Available Separately | Always Performed |
---|---|---|---|
SRPBS | SRP Immunoblot, S | No | No |
SRPTS | SRP IFA Titer, S | No | No |