Skeletal Muscle antibodies
Immunology
Sample and container requirements
Serum
Minimum volume required
4 ml Blood
Special requirements
None
Patient preparation
None
Sample viability
Store at 4oC prior to sending to referral lab
Turnaround time
14 days from receipt at referral laboratory
Reference range
Negative
Clinical guidance
Striated muscle antibodies are present in some patients with myasthenia gravis, almost all patients (80-100%) of patients with thymoma are positive and can be used as a screening test for the presence of thymoma in myasthenia.
Notes
Sheffield
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This information was last updated on 17 August 2026