Thyroid Peroxidase Antibodies (TPO)

Thyroid Peroxidase Antibodies (TPO)

Test Code

5081
86376
5081
86376
In-home collection may be available in your area for purchase through Quest Mobile.

Clinical Significance

Thyroid Peroxidase Antibodies (TPO) -

Assists in the diagnosis of thyroid diseases such as endemic goiter, Graves Disease, autoimmune thyroiditis, Addison's Disease, insulin-dependent diabetes mellitus, Hashimoto's Disease and polyendocrine auto-immunopathies.

Test Resources

Test FAQ

Biotin: Interference with Laboratory Assays

Test FAQ

STRENSIQ® (Asfotase Alfa) Assay Interference

Algorithm

Testing Algorithm for Thyroid Dysfunction in Nonpregnant Adults

Clinical Focus

Thyroid Dysfunction in Nonpregnant Adults

Topic Brief

Laboratory Diagnosis of Peripheral Neuropathy

Test Summary

ANAlyzeR ANA, IFA with Reflex Titer/Pattern, Systemic Autoimmune Panel 1

Test Details

Methodology

Immunoassay (IA)

Reference Range(s)

<9 IU/mL

Alternative Name(s)

Anti-Thyroid Microsomal Antibody,Anti-TPO,TPO

LOINC® Codes, Performing Laboratory

Service Area must be determined

Methodology

Immunoassay (IA)

Reference Range(s)

<9 IU/mL

Alternative Name(s)

Anti-Thyroid Microsomal Antibody,Anti-TPO,TPO
Service Area must be determined

Preferred Specimen(s)

1 mL serum

Minimum Volume

0.5 mL

Collection Instructions

Administration of STRENSIQ may interfere in certain assays and may falsely elevate values. For patients receiving STRENSIQ, consideration should be given to using alternate methods.

Transport Container

Serum separator tube (SST)

Transport Temperature

Room temperature

Specimen Stability

  • Room temperature: 10 days
  • Refrigerated: 14 days
  • Frozen: 28 days

Reject Criteria

Gross hemolysis

Setup Schedule

Service Area must be determined
1 mL serum
0.5 mL
Administration of STRENSIQ may interfere in certain assays and may falsely elevate values. For patients receiving STRENSIQ, consideration should be given to using alternate methods.
Serum separator tube (SST)
Room temperature
Room temperature: 10 days
Refrigerated: 14 days
Frozen: 28 days
Gross hemolysis
Service Area must be determined
In-home collection may be available in your area for purchase through Quest Mobile.
Test Details

Clinical Significance

Test Resources

Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.

The CPT codes provided are based on AMA guidance and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.

This material contains content from LOINC® (http://loinc.org). The LOINC Table, LOINC Table Core are copyright © 1995-2019, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee and is available at no cost under the license at http://loinc.org/license.

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