Test Directory

Test Code
STMAB
Test Name
Striated Muscle Antibody, Profile
CPT Codes
86255
Expected Turnaround Time
4 - 7 days
Clinical Utility

Striated Muscle Antibody is more commonly detected in patients over age 60 years with myasthenia gravis than in younger patients. There is a strong correlation between the presence of Striated Muscle Antibody and thymoma in patients with myasthenia gravis.

Specimen and Container Info

Specimen Type: Serum

Collection Container: Gold Top, Serum Separator

Alternate Collection Container: Red Top, Plain

Desired Specimen Volume: 0.5 mL

Collection Instructions
  1. Collect a gold top, serum separator tube via venipuncture.
Processing and Submission Instructions
  1. Separate serum from cells.
  2. Transfer 0.5 mL of serum to a clear aliquot tube (screw cap).
Transport Instructions

Transport to the laboratory refrigerated. 

Stability Requirements

Room Temperature

4 days

Refrigerated

14 days

Frozen

30 days

Causes for Rejection
  • Gross hemolysis
  • Grossly lipemic
Methodology
IFA
Reference Intervals

See patient report.

Alternate Names
  • Anti-Skeletal Muscle Antibody
  • Skeletal Muscle Antibody
  • Anti-striated Muscle Antibody
Reference Lab
Quest Diagnostics Nichols Institute
Testing Schedule
Routine, 6 times per week
Reflex Tests
ABTSM