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HelpOrderable Name ASO Antistrep-O Titer, Serum
Useful For
Demonstration of acute or recent streptococcal infection
Specimen Type
SerumOrdering 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 daysCPT Code Information
86060
Method Name
Nephelometry