Testosterone | KK Women's and Children's Hospital

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?	No
Turn Around Time	3 - 4 hrs
Reference Value(s)	0 - 20yrs:- no reference interval Females:- 21 - 49yrs: 0.5 - 1.9 nmol/L >/= 50yrs: 0.4 - 1.2 nmol/L Males: 21 - 49yrs: 8.3 - 30.2 nmol/L >/= 50yrs: 7.7 - 24.8 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

Last Updated - 27 May 2025