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In short Free T4 price What the free T4 checks What is included Why people get it How Pymander fits Common questions SourcesA free T4 costs about $9.02 using the Medicare national rate as a cash benchmark.
A lab may add a blood draw fee. Insurance is not billed. This is an outside benchmark, not a Pymander price. Benchmark as of 2026 Q4.
Free T4 price
| Item | Detail |
|---|---|
| Benchmark price | $9.02 |
| Basis | CMS Clinical Laboratory Fee Schedule 2026 Q4 |
| Billing code | CPT 84439 |
| Sample | Blood |
| Fasting | Not needed |
| Results | 1–2 days |
$9.02 is Medicare’s national limit for this test, the public benchmark for a cash lab price. It is not a quote from a specific lab and it is not a Pymander price. A lab may add a blood draw fee. Ask for the total price in writing before you book. Source data: CMS Clinical Laboratory Fee Schedule 2026 Q4.
Of the 7 Thyroid lab tests and panels in our catalog, Free T4 has the lowest price. The middle price for that group is $15.91.
What the free T4 checks
T4 is the main hormone the thyroid makes. Free T4 is the part that’s active and available to the body.
What it checks
How much thyroid hormone is circulating. It’s read alongside TSH.
How it works
A small blood sample is taken from a vein in your arm at a lab.
Good to know
Pregnancy, birth control pills and biotin can change thyroid results. If you take thyroid medicine, ask whether to take it before or after the draw.
The plain-language description on this page was written from public medical sources and has not been reviewed by a clinician. Use it to get oriented, then check with your own clinician or pharmacist.
What is included
- Free thyroxine (T4)
Why people get it
People look this up for thyroid, hypothyroidism, hyperthyroidism.
How Pymander fits
Pymander is an AI-native, cash-pay healthcare system. This catalog shows an outside benchmark price so you know what to expect before you pay. You can text our free AI doctor to talk through your symptoms and whether this lab test makes sense, and bring the care note to a licensed clinician. A clinician decides what is ordered.
Common questions
How much does a free T4 cost without insurance?
About $9.02 using Medicare’s national limit for this test, the public benchmark for a cash lab price (2026 Q4). A lab may add a blood draw fee. The real price depends on where you go.
Why is this a Medicare price?
Medicare publishes national rates for every billing code. They are a public, checkable benchmark, so we use them instead of guessing. Cash prices at a given lab, center or clinic can be higher or lower.
Do I need an order for this lab test?
Most labs need an order from a licensed clinician. If you are having an emergency, call 911.
Is this Pymander’s price?
No. It is a public outside benchmark that Pymander does not set. Ask for the exact price before you book.