Category: RHEUMATOID | Code: K3305
ASTO
Function
This test is a sensitive test for recent streptococcal infections. The increase in ASO begins about one week after infection and peaks two to four weeks later.
| Test Schedule | Estimated Test Result | Container | Substance | Stability |
|---|---|---|---|---|
| Monday - Saturday | 1 day | Plain | Serum, 0.5 mL | 48 hours, 2-8⁰C |
Condition
Not lysate and not lipemic
Method
Immunoturbidimetric
Score Reference
<5 years: <100 IU/mL 5-20 years: <250 IU/mL ≥21 years: <200 IU/mL