T4 Free (FT4)

Regular price$13.33
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  • Available anywhere with a Quest Diagnostics center
  • Measure thyroid function to support metabolism and energy balance
  • Identify potential thyroid disorders impacting daily life
  • Monitor thyroid medication or treatment effectiveness

Bloodwork which includes testing for hormone markers should be taken in a fasted state. For most accurate results consume only water for 12 hours prior to your appointment.

After your order is confirmed, please allow 1-2 business days for our medical staff to send your labwork request to your preferred Quest Diagnostics lab.