Sodium

Test/Investigation

Sodium

Site(s) or Laboratory offering Test/Investigation

NNUH, QEH, JPUH

Units

mmol/L

Also Known as/Frequency of Test

Na

Comments/Precautions

Main use is state of hydration.

Sample type

Serum

Turnaround times (TAT) Urgent/Routine/GP or OPD

1 hour / 4 hour / by 8am next day

Reference intervals (adult unless stated)

133 – 146 mmol/L

If UKAS Accredited Test indicate at which site

Y NNUH