Lab tests CPT 84439 Outpatient

Free T4 test cost in Petersburg, WV

In Petersburg, WV, 1 hospital lists a cash price for free T4 (free thyroxine) thyroid blood test: from $10.40 to $10.40, with a median of $10.40. Across West Virginia, the median is $45.75 at 20 hospitals.

Cash prices at 1 facility for code 84439, as an outpatient — the setting a self-pay patient normally buys. Collected Sep 23, 2026; the hospital files themselves were last updated between — and —.

Lowest$10.40Grant Memorial Hospital Inc
Median$10.40half pay less
Highest$10.40in this market
Difference1.0×highest vs lowest

Where each hospital's price falls

Each dot is one hospital's cash price on a scale from the lowest to the highest in Petersburg, WV.

median
Lowest $10.40Highest $103.20

Hospitals, cheapest first

HospitalCash price List priceInsurers payOff listFile date
Grant Memorial Hospital Inc lowest Petersburg, WV THYROXINE (THYROID CHEMICAL); FREE $10.40 $13.00 — 20% —
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Grant Memorial Hospital Inc Petersburg, WV ASSAY OF FREE THYROXINE $103.20 $129.00 — 20% —
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Outpatient: lowest $10.40, median $10.40, highest $10.40.

What it is

A free T4 test measures thyroxine that is not bound to proteins, the active form of the main thyroid hormone. It is usually ordered with or after a TSH test to check for an underactive or overactive thyroid and to adjust thyroid medicine.

What the price covers

The price usually covers the free T4 test only. The blood draw and the TSH test (84443) are billed separately.