Antistreptolysin O Antibody


Streptozyme, ASO.

To assist in the diagnosis of group A streptococcal infection.

Patient Preparation
There are no food, fluid, activity, or medication restrictions unless by medical direction.

Normal Findings
(Method: Immunoturbidimetric) Adult/older adult: Less than 330 international units/mL; 17 yr and younger: Less than 150 international units/mL. Values will vary between laboratories and methods.

AgeConventional Units
Newborn–1 yrEqual to or less than 200 international units/mL
2–12 yrEqual to or less than 250 international units/mL
13 yr–adultEqual to or less than 330 international units/mL

Critical Findings and Potential Interventions

There's more to see -- the rest of this topic is available only to subscribers.