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Test Code ASO Antistrep-O Titer, Serum

Additional Codes

Internal: 10517

External: ASO

Beaker: LAB4311

Useful For

Demonstration of acute or recent streptococcal infection

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

Reject Due To

Gross hemolysis OK
Gross lipemia Reject
Gross icterus OK

Reference Values

<5 years: ≤70 IU/mL

5-17 years: ≤640 IU/mL

≥18 years: ≤530 IU/mL

Day(s) Performed

Monday through Friday

Report Available

1 to 3 days

Performing Laboratory

Mayo Clinic Laboratories in Rochester

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.

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

Method Name

Nephelometry

Secondary ID

80205