← Thyroid & Autoimmune· Thyroid
TestThyroid

Thyroid Peroxidase Antibodies (TPO)

Detects the antibodies behind autoimmune thyroid disease like Hashimoto's and Graves'. One draw, results usually in 2–3 business days.

$ 59.00All-in price
1Tests included

TPO antibodies attack an enzyme your thyroid needs to make hormone. Elevated levels are the hallmark of autoimmune thyroid disease — most commonly Hashimoto's thyroiditis, and also Graves' disease. This test helps explain a thyroid problem that other markers alone can't.

Included Tests

Thyroid Peroxidase Antibodies (TPO)
Autoimmune thyroid marker (Hashimoto's / Graves').
TPO Antibodies
incl.in panel

What This Panel Measures

🛡️
Autoimmune activity. Elevated TPO antibodies indicate your immune system is targeting your thyroid.
🦋
Cause of thyroid dysfunction. Explains why a thyroid may be under- or over-active in autoimmune disease.

Who Should Get This Panel

  • You have an abnormal TSH or thyroid hormone levels
  • You have symptoms of a thyroid problem and want to know the cause
  • You have a family history of thyroid or autoimmune disease
  • You have another autoimmune condition
  • You're pregnant or planning pregnancy with thyroid concerns

Conditions Screened

Hashimoto's thyroiditisGraves' diseaseAutoimmune thyroid disease

Related Symptoms

FatigueWeight changesNeck swellingFeeling cold or hotHair thinning

When to Get Tested

Any time; no fasting is required. Most useful when you already have an abnormal thyroid result or symptoms, to determine whether autoimmunity is the cause.

Understanding Your Results

Results post to your secure online account usually in 2–3 business days, with your value and the reference range. Elevated TPO antibodies point to autoimmune thyroid disease, though some healthy people have mild elevations. Interpret alongside TSH and Free T4, ideally with a clinician.

Frequently Asked Questions

Do I need to fast?
No fasting is required.
What does a positive result mean?
It indicates autoimmune activity against your thyroid, most often Hashimoto's. It's best interpreted with your TSH and Free T4 and, ideally, a clinician.
Is this billed to insurance?
No — you pay directly here, and nothing appears on your insurance record. Results go only to your secure account.

Pairs Well With — Same Blood Draw

TSH
First-line thyroid screen.
+ Add
Free T4
Direct measure of active thyroid hormone.
+ Add
Complete Thyroid Panel
Full thyroid workup including antibodies.
+ Add
$ 59.00
✓ The price you see is the price you pay. No draw fees. No physician fees. No surprise bills. $ 59.00 is all-in.
Comparing prices? Some self-pay labs advertise a low number, then add ~$28 in "lab & physician fees" at checkout. We don't. What you see here is the whole cost.
⚡ We send your lab order electronically to the test center in 2–3 minutes. Nothing to print, nothing to bring — just walk in and sign in.
📍 Can you get tested nearby?

Test centers don’t accept payment — you pay securely here; the lab just does the draw.
⚡ Results 2–3 business days🧪 1 tests

What happens after you order?

  • 1Your lab order form & test code appear in your secure online account — with your test center’s address.
  • 2We send your lab requisition to the test center electronically.
  • 3Walk in & get tested — tests usually take 5 minutes or less.
📞 Need support? (866) 873-0879
$ 59.00all-in · no extra fees