Test Code T4FREE Free Thyroxine Level (FT4)

Performing Location

Specimen	Min. Test Volume	Collection Container	Special Handling
Blood	0.1 mL	Light Green (lith. heparin) top Gold top Marble Red top

Assay	Gender	Age Range	Normal Range	Critical Values	Units
T4FREE	ALL	0 Minutes – 150 Years	0.9 - 1.7		ng/dL

7 days at 2-8°C

Monday - Sunday

3024-7

84439