Sign in →

Test Code 24CL Chloride, urine, 24 hr

Laboratory Code

LAB3040884

Specimen Requirements

Specimen Type: 24 hr urine
Container/Tube: The following types of 24 hr urine containers are acceptable:

  • No preservatives
  • 3.0 g Thymol

Volume: 4000.0 mL
Minimum Volume: 20.0 mL
Collection Instructions: Collect urine in 24 hr urine container with a suitable preservative (available at laboratory).

 

Please refer to NUH's Urine Preservative Guide

Specimen Stability

Specimen Type 24 hr urine
Ambient 7 days
Refrigerate 7 days
Frozen 7 days

Methodology

Potentiometry

Days and Times Performed

24 hrs, TAT 1 day

Specimen Condition

Haemolysis Not applicable
Icterus Not applicable
Lipaemia Not applicable
Others Not applicable

Reference Interval

Age Male Female
0 – < 1 yr 2 – 10 mmol/day 2 – 10 mmol/day
1 – 5 yrs 15 – 40 mmol/day 15 – 40 mmol/day
6 – 9 yrs 36 – 110 mmol/day 18 – 74 mmol/day
10 – 13 yrs 64 – 176 mmol/day 36 – 173 mmol/day
14 – 59 yrs 110 – 250 mmol/day 110 – 250 mmol/day
≥ 60 yrs 95 – 195 mmol/day 95 – 195 mmol/day

Testing Laboratory

National University Hospital

Clinical Chemistry, 67724346

Useful For

Assessment of electrolyte balance.

Service Code

31146

LOINC Code Information

Urine volume, total 3167-4
Chloride, urine 2078-4
Chloride, urine, 24 hr 2079-2

Alias

24CL

Update

Last updated 10/03/2025