Striated Muscle Antibody, IgG with Reflex to Titer

Sunquest Code:ASTAB  
Epic Code:LAB728Epic Name:Striated Muscle Antibody IgG
Synonyms:Anti-Striated Muscle Antibody
Methodology:Indirect fluorescent antibody
Turnaround Time:Specimens are sent to reference laboratory Mon-Sat; results are reported in 1-5 days.

Analyte Specific Reagent. This test was developed and its performance characteristics determined by ARUP Laboratories. The U. S. Food and Drug Administration has not approved or cleared this test; however, the FDA has determined that such clearance or approval is not necessary.

Collection Instructions

Optimal Volume:2 mL
Minimum\Peds Volume:0.5 mL
Container:Red (no gel) (Red or gold (gel))
Causes for Rejection:Plasma, severe lipemia, gross hemolysis

Processing and Shipping

Specimen Processing:Separate serum from cells within 2 hours of collection. Centrifuge and aliquot 1 mL, 0.15 mL minimum. Store in refrigerator.
Shipping Instructions:Ship at refrigerated temperature.
Stability:Stability: 48 hours at room temperature; 2 weeks refrigerated; 1 year frozen
Test Performed at or Referral Lab Lab Sendouts  (ARUP)
Referral Lab number:50746


Reference Range:


Less than 1:40 – No antibody detected



Use:Titers greater than or equal to 1:80 are suggestive of myasthenia; however, striated muscle antibody can be found in rheumatic fever, myocardial infarction, and a variety of post cardiotomy states.

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