Lab tests CPT 84439 New Mexico Outpatient

Free T4 test cost in New Mexico

In New Mexico, 2 hospitals publish a cash price for free T4 (free thyroxine) thyroid blood test: from $116.00 to $134.40, with a median of $125.20. The lowest price is at Holy Cross Hospital a Div of Taos Health Systems (Taos). The highest price is 1.2× the lowest.

Outpatient cash prices, one line per hospital — its lowest listed price for code 84439. Prices for both sides of the body and inpatient prices are not mixed in. Collected Sep 23, 2026.

Lowest$116.00Holy Cross Hospital a Div of Taos Health Systems
Median$125.20half pay less
Highest$134.40in New Mexico
Lowest saves$9.20vs the median

Hospitals in New Mexico, cheapest first

HospitalCash price List priceFile date
Holy Cross Hospital a Div of Taos Health Systems lowest Taos · Taos, NM FREE T4 $116.00 $145.00 Apr 1, 2026
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Covenant Hospital Hobbs Hobbs · Hobbs, NM HC ASSAY OF FREE THYROXINE CDM $134.40 $320.00 Apr 1, 2026
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By metro area

Each metro page compares every listing, including prices for both sides of the body.

Metro areaHospitals LowestMedian
Hobbs, NM 1 $134.40 $134.40
Taos, NM 1 $116.00 $116.00

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.

Free T4 (free thyroxine) thyroid blood test in other states

Median cash price across the state's hospitals.