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C & E
(a.k.a Creatinine and Electrolytes)
minimum sample volume required ~ 5ml
Test Code: CE
Tube type: SST
Other acceptable tube types
Lithium heparin (pale green)
Special instructions
None
Time limit for add on
3 days post collection.
Reference range
See below
Linked to
Sodium, Potassium, Creatinine
Turnaround Time
1
day
Department: Biochemistry
Clinical Application
Reference ranges:
Sodium: 133 - 146mmol/L
Potassium: 0 - 28 days: 3.4 - 6.0mmol/L
29 - 365D: 3.5 - 5.7mmol/L
1+ years: 3.5 - 5.3mmol/L
Creatinine:
Males, 17+ years old: 64 - 104µmol/L
Females, 17+ years old: 49 - 90µmol/L
Please refer to report for creatinine reference ranges for those under 17 years of age.
Webpage updated: February 2026.
