Thyroid Autoantibodies (Thyroid Peroxidase and Thyroglobulin Antibody)

Synonyms

  • ANTI-TG
  • LAB3015
  • THYROID PEROXIDASE AND THYROGLOBULIN ANTIBODIES
  • TPO

Cerner Name

Anti Thyroid Antibodies

Clinical Info

Test includes Thyroglobulin Antibody (anti-Tg) and Thyroid Peroxidase (TPO) Antibody.

Specimen Sources

Blood, Arterial Blood, Capillary Blood, Central Line Blood, Venous

Specimen Types

Blood

Specimen Volume

1 mL of serum

Container

Gold Top Tube

Collection Instructions

Container/Tube: Gold-top tube(s)
Specimen: 2 mL of serum (0.8 mL min)

Transport Instructions

Refrigerate

Specimen Stability

For Thyroglobulin Antibody
4 days at 2-8 °C
2 months at -20 °C (± 5 °C). Freeze only once
For TPO
8 days at 2-8 °C
24 months at -20 °C (± 5 °C). Freeze only once.

Methodology

Electrochemiluminescence Immunoassay

Days Performed

Monday through Saturday

Performing Laboratories
  • Core Lab Laboratory
  • NWH CL Send Outs-Labcorp
  • Northwell Health-CFAM
  • Specialty Laboratory

CPT

86800 - Anti-Tg
86376 - TPO

PDM

5700525

Results
Component Name Base Name Common Name External Name
THYROGLOBULIN ANTIBODIES THYROGLBAB ANTITHYROGLOBULIN AB Thyroglobulin Antibodies
THYROPEROXIDASE ANTIBODY THYROIDAB THYROID PEROXIDASE AB Thyroid Peroxidase Antibody

Result Interpretation

Anti-Tg

≤115 IU/mL: Negative
>115 IU/mL: Positive

TPO

≤34 IU/mL: Negative
>34 IU/mL: Positive

This result was obtained using the Roche ELECSYS electrochemiluminescence assay. Results obtained using different assay methods cannot be directly compared due to differences in immunoassay design and antibody epitope recognition

Forms
Endocrine LAB3015 build edit