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)