Lab tests CPT 84439 Outpatient

Free T4 test cost in Springfield, OH

In Springfield, OH, 2 hospitals list a cash price for Free T4 (free thyroxine) thyroid blood test: from $94.00 to $109.80, with a median of $101.90. The lowest listed price is at Beavercreek Medical Center — $7.90 less than the median here. Across Ohio, the median is $40.30 at 100 hospitals.

Cash prices at 2 facilities across 2 cities 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 Apr 1, 2026 and Apr 1, 2026.

Lowest$94.00Beavercreek Medical Center
Median$101.90half pay less
Highest$109.80in this market
Difference1.2×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 Springfield, OH.

median
Lowest $94.00Highest $259.20

Hospitals, cheapest first

HospitalCash price List priceInsurers payOff listFile date
Beavercreek Medical Center lowest Beaver Creek, OH Hc Free T4 $94.00 $235.00 — 60% Apr 1, 2026
source file
Community Mercy Health Partners Springfield, OH HC Assay of Free Thyroxine $109.80 $183.00 — 40% —
source file
Beavercreek Medical Center Beaver Creek, OH Hc Thyroxine, Free T4 Dialysis Mass Spec, Lc $259.20 $648.00 — 60% Apr 1, 2026
source file

Outpatient: lowest $94.00, median $101.90, highest $109.80 — a 1.2× difference within the same market.

As an inpatient, the same code is billed by 2 facilities here, median $107.60. Inpatient and outpatient prices are not comparable and are kept on separate pages: the inpatient charge covers admission, not the same purchase.

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.