Veripath Test Directory

Epic Test Name T4 FREE
Components
Synonyms Free Thyroxine
Description
Specimen Requirements 
Container Preferred Green/Yellow PST (lithium heparin) collection tube, Acceptable PLAIN RED, SST, Na Heparin, K2 or K3 EDTA, Sodium Citrate, Sodium Flouride / Potassium Oxalate.
Specimen Type Blood
Preferred Collection Volume 3 mL
Minimum Collection Volume 3 mL; Neonates - 0.5 mL
Collection Instructions
Specimen Handling
Rejection Criteria
Methodology ECLIA
Reference Range 0.80 - 1.80 ng/dL
CPT Code(s) 84439
Department Chemistry
Contact Information Lab (main): 214-633-5227
Turn Around TimeLess than 4 hrs
Performed Sunday - Saturday
Performed by Chemistry
Link
Notes
Updated/Reviewed 09/25/2017


Label