Free T4 and TSH

XU1002

Synonym(s):
Specimen Container
Gel separator tube (Adult)
Microtube (Paeds)
Specimen Requirement

Plain Blood
Adult: 5 mL
Paediatric: 1.3 mL


Invert blood 5 times after blood collection ensures the clot-activating factors is well mixed with the blood. This will ensure results are reliable.

Orderable as Urgent? Yes
Turn Around Time
Refer to individual test information.
Reference Value(s)
Refer to individual test information.
Testing Laboratory Location KKH
Laboratory Clinical Chemistry
Contact Number 6394 1383
Day and Time Performed
Refer to individual test information.
Orderable on CPOE? Yes
Downtime Form

Clinical Chemistry - Form A

Change History Notes

  • 27 May 2024 08:00 AM

    Update of Specimen Requirement.


  • 15 Oct 2021 04:00 PM

    ​Updated Specimen Requirement and Turn Around Time and Reference Value(s).

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Last Updated - 05 Apr 2025