Lab tests CPT 84439 Inpatient — admitted to hospital

Free T4 test cost in Joplin, MO — inpatient

In Joplin, MO-KS, 1 hospital lists a cash price for free T4 (free thyroxine) thyroid blood test as an inpatient: from $112.56 to $112.56, with a median of $112.56. Across Missouri, the median is $87.90 at 30 hospitals.

Cash prices at 1 facility for code 84439, as an inpatient (admitted to hospital) . Collected Sep 25, 2026; the hospital files themselves were last updated between Sep 1, 2026 and Sep 1, 2026.

Lowest$112.56Freeman Health System - Freeman West
Median$112.56half pay less
Highest$112.56in 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 Joplin, MO-KS.

median
Lowest $112.56Highest $112.56

Hospitals, cheapest first

HospitalCash price List priceInsurers payOff listFile date
Freeman Health System - Freeman West lowest Joplin, MO · (417) 347-1111 T4 FREE $112.56 $281.40 — 60% Sep 1, 2026
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Freeman Health System - Freeman West lowest Joplin, MO · (417) 347-1111 T4 FREE BY DIRECT DIALYSIS $112.56 $281.40 — 60% Sep 1, 2026
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Inpatient: lowest $112.56, median $112.56, highest $112.56.

As an outpatient, the same code is billed by 5 facilities here, median $112.56 — that is the price to compare if you are not being admitted.

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.