ASO (Anti-Streptolysin O)
Streptolysin O Antibody
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Agglutination of sensitized sheep cells
Aid in the diagnosis of current or previous group A streptococcal infections. Screening for antibodies to streptococcal antigens NADase, DNAase, streptokinase (ASK), streptolysin O (ASO) and hyaluronidase (AH): Positive test titered to 1:800; endpoint beyond 1:800 reported as > 1:800.
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.