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
CPT Code:86255, 86256
Turnaround Time:Specimens are sent to reference laboratory Mon-Sat; results are reported in 1-5 days.
Compliance:

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

Specimen:Blood
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.
Test Performed at or Referral Lab Lab Sendouts  (ARUP)
Referral Lab number:50746


Interpretive

Reference Range:

Screen

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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