LabCorp Test

Thyroid Antibodies Panel Blood Test

Quick Overview

Includes TPO and TAA.

Test #953

$80.00

Availability: In stock

Preparation No fasting required. Stop biotin consumption at least 72 hours prior to the collection.
Test Results 2-3 days. May take longer based on weather, holiday or lab delays.

TPO- The Thyroid Peroxidase (TPO) Antibodies blood test from Walk-In Lab helps provide a differential diagnosis of hypothyroidism and thyroiditis. No fasting is required when preparing for the TPO blood test and results are typically delivered within two to three days. In addition to going by TPO, the thyroid peroxidase antibodies blood test is also known as Antimicrosomal Antibody, TPO Antibodies, Antithyroid Microsomal Antibody and Thyroid Peroxidase Autoantibodies.

Thyroid peroxidase (antibodies to thyroid microsomes) are present in 70 to 90 percent of patients with chronic thyroiditis, and in a smaller percentages of patients with other thyroid diseases. Antibody production might be confined to lymphocytes within the thyroid, and serum might be negative. A small percentage of people with no evidence of disease may have these antibodies as well. Antibodies to thyroid microsomes are found more frequently in women, and chance of occurrences increase with age.


TAA- The thyroid antithyroglobulin antibody blood test is also known as thyroid antibody, TAA and thyroglobulin antibody. No fasting is required for this blood test and results are delivered within two to three days.

A TAA blood test helps investigate the cause of enlarged thyroid glands (goiters), and can also be used as a follow-up evaluation when other thyroid tests, such as T3, T4 and TSH, show signs of thyroid dysfunction. When patients with known non-thyroid-related autoimmune condition (such as pernicious anemia, rheumatoid arthritis or systemic lupus erythematosus) develops symptoms that suggest thyroid involvement, multiple thyroid antibody tests are often ordered to assist in the evaluation of the condition.


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