Sengkang General Hospital Our Specialties Department of Pathology Lab Catalogue THYROXINE FREE (FT4), SERUM

THYROXINE FREE (FT4), SERUM

10050084

Lab Section Category

Clinical Biochemistry

Specimen Requirement

3 mL blood

Specimen Container

Plain tube (Gold cap)

Turnaround Time

2 - 4 hours

Testing Laboratory

SKH

Reference Range / Interval

Age Range	Reference Range/Interval (pmol/L)
< 1 Month	16.0 - 50.0
1 Month to < 1 Year	14.0 - 22.0
1 Year to < 18 Years	13.0 - 21.0
≥ 18 Years	11.9 - 21.6

Orderable on CPOE?

Yes

Day and Time Performed

Daily, 24 hours

Last Updated - 17 Jun 2025

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