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T4 Free, Thyroxine

Specimen Container

Gold

Specimen Collection Type

Serum

Minimum Volume To Collect (Ml)

1 mL

Stability

Ambient Stability: 8 hrs
Refrig Stability: 48 hrs
Frozen Stability: 3 months

Preferred Transportation Temperature

FROZEN

Performed

Sun-Sat

Reported

4-24h

Methodology

Chemiluminescent Enzyme Immunometric Assay

Lab Department

Core

Testing Location

RML

Synonyms

Free T4, Direct, Serum
Free Thyroxine
T4, Free, Direct, Serum

Test OR Panel

Test

Misc Instructions

Hemolsis will effect sample with 2+

Unit of Measurement

ng/dL

CPT Codes

84439

LOINC

3024-7

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