Lab tests CPT 84439 Outpatient

Free T4 test cost in Valdez, AK

In Valdez, AK, 1 hospital lists a cash price for Free T4 (free thyroxine) thyroid blood test: from $17.16 to $17.16, with a median of $17.16. Across Alaska, the median is $68.40 at 9 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 Apr 1, 2026 and Apr 1, 2026.

Lowest$17.16City of Valdez
Median$17.16half pay less
Highest$17.16in 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 Valdez, AK.

median
Lowest $17.16Highest $131.82

Hospitals, cheapest first

HospitalCash price List priceInsurers payOff listFile date
City of Valdez lowest Valdez, AK HC ASSAY OF FREE THYROXINE # $17.16 $22.00 — 22% Apr 1, 2026
source file
City of Valdez Valdez, AK HC FREE T4 $131.82 $169.00 — 22% Apr 1, 2026
source file

Outpatient: lowest $17.16, median $17.16, highest $17.16.

As an inpatient, the same code is billed by 1 facility here, median $17.16. 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.