Homocysteine, plasma | KK Women's and Children's Hospital

Specimen Container	EDTA tube
Specimen Requirement	Whole Blood EDTA 5 mL Fasting sample
Specimen Storage/Transport	Place specimen in a biohazard specimen bag and immerse this bag in crushed ice. Send immediately to lab. To spin and separate the plasma and store at – 20°C before the next transport is available.
Orderable as Urgent?	No
Turn Around Time	Average: 4 hrs ( 3 - 5 hrs )
Reference Value(s)	≥13 yrs : < 15.0 µmol/L
Testing Laboratory Location	SGH
Laboratory	Biochemistry
Contact Number	6394 1352
Day and Time Performed	Mon - Fri: 0800 hrs to 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