ASO (Anti Streptolysin O Titres) - Serum Test for 1 parameters ASO (Anti-Streptolysin O) Titers is a blood test used to detect the presence and measure the levels of antibodies against streptolysin O, an enzyme produced by Group A Streptococcus bacteria. Serum No Fasting Required ₹330Free home sample Book Test Free home sample collection in 60 mins Reports within 3 Hours 10,00,000+Tests done TrustedDoctors 10,00,000+Certified Labs 10,00,000+Pickup-at-home Gallery-