Doctor's Data Inc

Thyroid Peroxidase Antibodies (Anti-TPO)

CPT Code


Specimen Requirements

1 mL serum - centrifuged and aliquoted within 2 hours of collection

Collection Container/Tube

Red-top tube (no additive), Alternative: Serum gel-separator tube

Transport Container/Tube

Clear plastic serum/plasma transfer vial

Minimum Specimen Volume

0.5 mL

Rejection Criteria

Gross hemolysis

Stability Information

Room temperature: 7 days
Refrigerated: 7 days
Frozen: 1 year
37°C/99°F: 7 days


Chemiluminesescent Immunoassay

Turnaround Time

2 - 3 days

Reference Intervals

Sex Age
Both 0-199 years <9 IU/mL