| Ordering Code | 402 |
|---|---|
| Test Name | Anti-Streptolysin O |
| Alias | ASO Titer ASO Test |
| Preferred Specimen | Serum |
| Preferred Container | SST (Gold) |
| Other Specimen/Container | Plasma in Lithium Heparin (Green), Serum in Plain (Red) |
| Optimum Volume | 0.5 mL |
| Transport Requirements | Oahu: Ambient Airline: Refrigerated |
| Specimen Stability | Ambient: 2 Days Refrigerated: 7 Days Frozen: 6 Months Frozen samples should be thawed only once. |
| Rejection Criteria | Specimen older than stability limits, Grossly hemolyzed, Insufficient quantity |
| Avail. Stat | NO |
| Analytic Time | 1 Day |
| Methodology | Immunoturbidimetric |
Reference range(s)
The reference ranges listed below are valid on this date of June 29, 2025.
| Component | Age | Male Norm | Male Critical Low | Male Critical High | Female Norm | Female Critical High | Female Critical Low | Units | Add'l info |
|---|---|---|---|---|---|---|---|---|---|
| Anti-Streptolysin O | >=17Y | < = 200 | < = 200 | IU/mL | |||||
| Anti-Streptolysin O | 0-16Y | < = 150 | < = 150 | IU/mL |