Sign in →

Test Code LAB858 Thyroid Peroxidase Antibodies (TPO)

Useful For

  • Aiding in the diagnosis of thyroid autoimmune disorders
  • Differentiating thyroid autoimmune disorders from nonautoimmune goiter or hypothyroidism
  • As a diagnostic tool in deciding whether to treat a patient who has subclinical hypothyroidism

Methodology

Electrochemiluminescence Immunoassay (ECLIA)

Performing Laboratory

Bozeman Health Laboratory Services

Specimen Requirements

Specimen Type: Serum or Plasma
Container/Tube: Red top, gold top, or light green top (lithium heparin)
Specimen Volume: 1 mL
Specimen Minimum Volume: 0.5 mL

Specimen Rejection:

  1. Grossly hemolyzed samples may be rejected.
  2. Samples should not be taken from patients receiving therapy with high
    biotin doses (i.e. > 5 mg/day) until at least 8 hours following the last biotin
    administration.

Specimen Transport Temperature

Ambient/Refrigerated

Specimen Stability

Specimen Type Temperature Time
Serum or Plasma Ambient 8 days
  Refrigerated 8 days
  Frozen 2 years

Reference Values

0.0-34.0 IU/mL

Day(s) Test Set Up

Monday through Sunday

Test Classification and CPT Coding

86376