Electrolytes (Na, K, Cl), serum | 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?	Yes
Turn Around Time	Stat: Average 45 mins (30 mins - 1 hr) Routine: Average 2 hrs (1 - 3 hrs)
Reference Value(s)	-Sodium: Refer to test name, 'Sodium' -Potassium: Refer to test name, 'Potassium' -Chloride: Refer to test name, 'Chloride'
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

Change History Notes

Last Updated - 28 May 2025