Test Code TPOAB Thyroid Peroxidase Antibody, LAB858
Methodology
Competitive Immunoassay using Chemiluminescence
Performing Laboratory
St. Luke's Hospital Cedar Rapids
Specimen Requirements
Container/Tube:
Preferred: Mint Green-top (heparinized) tube with separator, plasma
Acceptable: Gold-top serum gel tube, Plain Red-top tube, Green-top (heparinized) tube
Minimum Specimen Volume: 12uL plus dead space of serum or plasma
Stability: Do not use samples that have been stored at room temperature for longer than 8 hours. Store specimens at 2-8ºC for 48 hours or for longer storage, place in freezer at ≤20ºC.
Collection Instructions: Allow samples to clot adequately before centrifugation. Samples should be free of fibrin or other particulate matter before placing samples on the system. Avoid hemolyzing specimen during collection.
Reference Values
<34 IU/mL
Day(s) Test Set Up
Monday through Friday
Test Classification and CPT Coding
86376
Useful For
The measurement of autoantibodies against thyroid peroxidase is useful in identifying patients with autoimmune thyroid disease.
Report Available
STAT within 1 hour upon receipt
ROUTINE within 2 hours upon receipt