Thyroxine-Free FT4

Synonyms

Allscripts (AEHR) Order Name

Free T4

Sunrise Clinical Manager (SCM) Order Name

Free Thyroxine, Serum

EPIC Order Name

Thyroxine (T4), Free

Clinical Info

Specimen Type

Blood

Container

Gold Top Tube

Collection Instructions

Container/Tube: Gold-top tube(s)
Specimen: 1 mL of serum

Transport Instructions

Refrigerate

Specimen Stability

5 Days Room Temperature
7 Days Refrigerated
30 Days Frozen

Methodology

Electrochemiluminescence Immunoassay (ECLIA)

Days Performed

Monday through Sunday, Continuously

Performing Laboratory

Northwell Health Laboratories

CPT

84439

PDM

5300445

Result Interpretation

0.9-1.8 ng/dL

Forms


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