| Test Name: | Anti-Thyroid Peroxidase Antibodies (Anti-TPO) |
| Epic Order Code: | LAB858 |
| CPT Code: | 86376 | | |
| Specimen(s) Type: | Serum; 1.0 mL |
| Acceptable Container(s): |   Tops are gold and red |
| Testing Schedule: | Monday - Friday |
| Turn Around Time: | STAT: NA |
| | Routine: 1- days |
| 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 to the lab within 1 hour, centrifuge the specimen and remove serum from the red cells. Store and transport at 2-8° C. Specimen must be received in the lab within 72 hours. If longer storage is required, store and transport the sample at -10° C or colder for up to 30 days. |
| Causes for Rejection: | Improperly labeled, incorrect container, contaminated, insufficient quantity, incorrect/delay in transport, gross hemolysis. |
| Reference Range: | 0.0 - 5.61 IU/mL |
| Additional Information: | About 20% of asymptomatic specimens may present with anti-TPO autoantibodies reflecting the prevalence in apparently healthy populations. The prevalence of anti-TPO may also depend on age, gender, and geographic region of the selected population. |