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Test ID ASO Antistrep-O Titer, Serum

Useful For

Demonstration of acute or recent streptococcal infection

Method Name

Nephelometry

Reporting Name

Antistrep-O Titer, S

Specimen Type

Serum


Ordering Guidance


Patients with acute glomerulonephritis following skin infection (post-impetigo) have an attenuated immune response to streptolysin O. For these patients, performance of an alternative streptococcal antibody test such as ADNAS / Anti-DNase B Titer, Serum is recommended.

Specimen Required


Patient Preparation: Fasting preferred but not required

Supplies: Sarstedt 5 mL Aliquot Tube (T914)

Collections Container/Tube:

Preferred: Serum gel

Acceptable: Red top

Submission Container/Tube: Plastic vial

Specimen Volume: 1 mL

Collection Instructions: Centrifuge and aliquot serum into plastic vial.


Specimen Minimum Volume

0.5 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Serum Refrigerated (preferred) 28 days
  Frozen  28 days
  Ambient  7 days

Reference Values

<5 years: ≤70 IU/mL

5-17 years: ≤640 IU/mL

≥18 years: ≤530 IU/mL

Day(s) Performed

Monday through Friday

Performing Laboratory

Mayo Clinic Laboratories in Rochester

CPT Code Information

86060

LOINC Code Information

Test ID Test Order Name Order LOINC Value
ASO Antistrep-O Titer, S 5370-2

 

Result ID Test Result Name Result LOINC Value
ASO Antistrep-O Titer, S 5370-2

Test Classification

This test has been cleared, approved, or is exempt by the US Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.

Report Available

1 to 3 days

NY State Approved

Yes