Demonstration of acute or recent streptococcal infection
<5 years: < or =250 U/mL; 5-17 years < or =375 U/mL; > or =18 years: < or =300 U/mL
2 - 5 days
Fasting preferred but not required. Collect specimen in red top tube. Spin and aliquot into a screw capped plastic tube. Send to Specimen processing refrigerated.
Test performed by Mayo Clinic Laboratories