HbA1c | KK Women's and Children's Hospital

Specimen Container	EDTA tube
Specimen Requirement	Whole Blood EDTA Adult: 3 mL blood Paediatrics: 500 uL blood Invert blood 5 times after blood collection ensures the anticoagulant is well mixed with the blood. This will ensure results are reliable.
Orderable as Urgent?	No
Turn Around Time	Average 2 hrs (1 - 3 hrs)
Reference Value(s)	The HbA1c target for most non-pregnant adults with type 1 or type 2 diabetes should be <= 7.0% or <= 53 mmol/mol. Please refer to the latest MOH guidelines for further details on target HbA1c values, frequency of testing and the use of HbA1c as a screening test for diabetes.
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

Last Updated - 05 Apr 2025