Folate, serum | KK Women's and Children's Hospital

Specimen Container	Gel separator tube (Adult) Microtube (Paeds)
Specimen Requirement	Plain Blood Adult: 3 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?	No
Turn Around Time	3 - 4 hrs
Reference Value(s)	<3 yrs: No reference interval 3 - <6 yrs: >=27.0 nmol/L 6 yrs <8 yrs: >=30.0 nmol/L 8 yrs to <12yrs: >=26.0 nmol/L 12 to <14 yrs: >=27.0 nmol/L 14 to <19 yrs: >=18.0 nmol/L 19 yrs and above: >=7.0 nmol/L
Testing Laboratory Location	KKH
Laboratory	Clinical Chemistry
Contact Number	6394 1383
Day and Time Performed	Mon – Fri 0800 hrs – 1700 hrs Sat: 0800 hrs – 1230 hrs
Orderable on CPOE?	Yes
Downtime Form	Clinical Chemistry - Form A

Change History Notes

19 Oct 2021 03:30 PM

Updated Specimen Requirement, Turn Around Time and Day and Time Performed.

Last Updated - 05 Apr 2025