Anti-Streptolysin O
Test Mnemonic
ASO
CPT Codes
- 86060 - QTY (1)
LOINC ®
5370-2
Aliases
- ASO
Performing Laboratory
Cleveland Clinic Laboratories
Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 1 mL | Serum | SST (Gold) | Centrifuge and refrigerate. | Submit in original tube or aliquot into CCL aliquot tube |
Minimum Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 0.5 mL |
Stability
| Environmental Condition | Description |
|---|---|
| Ambient | 2 days |
| Refrigerated | 8 days |
| Frozen | 6 months |
Days Performed
Sun - Sat
Turnaround Time
8 hours
Methodology
| Name | Description |
|---|---|
| Immunoturbidometric Assay |
Reference Range
| Anti-Streptolysin O | |||||
|---|---|---|---|---|---|
| Sex | Age From | Age To | Type | Range | Range Unit |
| Years | 17 Years | Normal | < 151 | IU/mL | 18 Years | 99 Years | Normal | < 201 | IU/mL |
Clinical Info
Antecedent Group A streptococcal infection in patients with acute rheumatic fever or acute glomerulonephritis. High levels may be found in individuals with prior or current infection with Group A Streptococcus. The DNAse B test is more reliable in the detection of anti-streptococcal antibodies following Group A Streptococcal Pyoderma.