Thyroxine-Free FT4

Synonyms

Allscripts (AEHR) Order Name

Free T4

Sunrise Clinical Manager (SCM) Order Name

Free Thyroxine, Serum

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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