Lab tests CPT 84439 Inpatient — admitted to hospital

Free T4 test cost in Marietta, OH — inpatient

In Marietta, OH, 2 hospitals list a cash price for free T4 (free thyroxine) thyroid blood test as an inpatient: from $70.21 to $93.61, with a median of $81.91. The lowest listed price is at Selby General Hospital — $11.70 less than the median here. Across Ohio, the median is $40.30 at 100 hospitals.

Cash prices at 2 facilities for code 84439, as an inpatient (admitted to hospital) . Collected Sep 21, 2026; the hospital files themselves were last updated between Apr 1, 2026 and Apr 1, 2026.

Lowest$70.21Selby General Hospital
Median$81.91half pay less
Highest$93.61in this market
Difference1.3×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 Marietta, OH.

median
Lowest $70.21Highest $93.61

Hospitals, cheapest first

HospitalCash price List priceInsurers payOff listFile date
Selby General Hospital lowest Marietta, OH · (740) 568-2000 T-4 Free $70.21 $117.01 — 40% Apr 1, 2026
source file
Selby General Hospital lowest Marietta, OH · (740) 568-2000 T-4 Free (Profile) $70.21 $117.01 — 40% Apr 1, 2026
source file
Marietta Memorial Hospital Marietta, OH · (740) 374-1400 T-4 Free $93.61 $156.01 — 40% Apr 1, 2026
source file
Marietta Memorial Hospital Marietta, OH · (740) 374-1400 T-4 Free (Profile) $93.61 $156.01 — 40% Apr 1, 2026
source file

Inpatient: lowest $70.21, median $81.91, highest $93.61 — a 1.3× difference within the same market.

As an outpatient, the same code is billed by 2 facilities here, median $81.91 — 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.