Free thyroxine (T4)

CPT 84439 • Laboratory

If you're paying cash

$17 – $157

Posted cash price at 9 hospitals in North Carolina. Hospitals must publish these; ask for the self-pay or cash price by name when you call.

See what your plan negotiated

Lowest

$2

Typical

$7

Highest

$291

99,047 negotiated rates from NC hospitals. These are what insurers pay, not what you would be billed.

About this procedure

Description coming soon. We're curating plain-language explainers for the most-searched procedures.

Top hospitals in NC

Related procedures