Cold and Flu Season Can Be a Monster

Flu & Cold Season Can Be A Monster

Help us protect our patients, families and staff from RSV and the flu by following these visitation restrictions currently in effect.

  • No visitors under the age of 12 are allowed in patient care areas.
  • Please do not visit patients if you are experiencing fever, vomiting, diarrhea or cold or flu-like symptoms.

Find A Test

Name of Test
T4, Free
Alternate Names
FT4, Free T4
SoftLab Order Code
Epic Order Name
Epic Order ID
In House
Additional Test Information
Free T4 is susceptible to biotin interference at a concentration of 100 ng/mL
Collection Container
RST (Orange top - Rapid Serum Tube)
Collecting Volume
1.0 ml
Minimum Collecting Volume
1.0 ml
Patient Preparation
Patients taking Biotin should not be tested.
Not Available STAT
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