Tests
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Anti-Streptolysin O (ASO) Screen
| Test Name: | Anti-Streptolysin O (ASO) Screen | ||
| Epic Order Code: | LAB219 | ||
| CPT Code: | Screen: | 86063 | |
| Titer: | 86060 | ||
| Specimen(s) Type: | Serum; 1.0 mL | ||
| Acceptable Container(s): |   Tops are gold and red. | ||
| Testing Schedule: | Tests performed daily. | ||
| Turn Around Time: | STAT: NA | ||
| Routine: Batch testing performed at 7 a.m. and 2 p.m. | |||
| Collection Information: | No special patient preparation is required. Obtain specimen by standard collection procedures. | ||
| Transport Information: | Deliver to lab immediately. All specimens must be signed into the laboratory. | ||
| Reference Clients: | If unable to deliver immediately, centrifuge the specimen and separate the serum from the red cells. Store and transport at 2-8° C within 8 days. For longer storage, freeze samples -20° C. | ||
| Causes for Rejection: | Improperly labeled, incorrect container, contaminated, insufficient quantity, incorrect/delay in transport, excessive hemolysis, lipemia or turbidity. | ||
| Reference Range: | Negative | <200 IU/mL | |
| Positive | >200 IU/mL | ||
| Additional Information: | A rise in titer begins one week after infection and peaks two to four weeks later. | ||
| Reflexive Test: If positive, an ASO Titer will be ordered. | |||