Ordering Recommendation
Confirm a prior infection with group A Streptococcus in patients suspected of having a nonsuppurative complication such as acute glomerulonephritis (AGN) or acute rheumatic fever (ARF). DNase-B Antibody (0050220) and Streptolysin O Antibody (ASO) (0050095) antibody tests are generally ordered concurrently.
Mnemonic
ASO
Methodology
Quantitative Nephelometry
Performed
Sun-Sat
Reported
Within 24 hours
New York DOH Approval Status
This test is New York DOH approved.
Specimen Required
Patient Preparation
Collect
Serum separator tube.
Specimen Preparation
Separate serum from cells ASAP or within 2 hours of collection. Transfer 1 mL serum to an ARUP Standard Transport Tube. (Min: 0.4 mL)
Storage/Transport Temperature
Refrigerated.
Unacceptable Conditions
Hemolyzed specimens.
Remarks
Stability
After separation from cells: Ambient: 8 hours; Refrigerated: 8 days; Frozen: 3 months
Reference Interval
0-1 year: 0-200 IU/mL
2-12 years: 0-240 IU/mL
13 years and older: 0-330 IU/mL
Interpretive Data
Compliance Category
FDA
Note
Hotline History
N/A
CPT Codes
86060
Components
Component Test Code* | Component Chart Name | LOINC |
---|---|---|
0050095 | Streptolysin O Antibody | 5370-2 |
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
- Anti-Streptolysin O Antibody
- ASO antibody test
- Streptococcal antibodies
Streptolysin O Antibody (ASO)