Chloride | KK Women's and Children's Hospital

Specimen Container	Gel separator tube (Adult) Microtube (Paeds)
Specimen Requirement	Plain Blood Adult: 3 mL Paediatric: 0.5 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	Average 2 hrs (1 - 3 hrs)
Reference Value(s)	< 1st month: 98-113 mmol/L > 1st month: 98-107 mmol/L
Testing Laboratory Location	KKH
Laboratory	Clinical Chemistry
Contact Number	6394 1383
Day and Time Performed	Daily, 24 hrs
Orderable on CPOE?	Yes
Downtime Form	Clinical Chemistry - Form A
Additional Information	Critical Values: Low: <85 mmol/L High: >120 mmol/L

Change History Notes

Last Updated - 28 May 2025