Thyroid Peroxidase Antibody
|Plasma Separator Tube 4.5 mL
Call laboratory for additional acceptable specimen collection containers.
3 mL; plasma separator tube top or TWO Microtainer®
1 hour (upon receipt in laboratory)
0.0 - 9.0 IU/mL
This assay may be significantly impacted by high-dose biotin
(>5 mg dose) taken within previous 12 hours. High concentrations of
biotin may lead to falsely decreased results. These concentrations
may be found in patients taking over-the-counter supplements with
biotin content much higher than nutritional requirements for biotin.
Specimens should not be collected until at least 12 hours after the
Hemolysis: No significant interference up to an H index of 1500.
Lipemia: No significant interference up to an L index of 2100.
Icterus: No significant interference up to an I index of 66.