Test Code 24CL Chloride, urine, 24 hr

Additional Codes

Epic Ordering Code	LAB3040884
NBS code	LBC04120
Service code	31146

Specimen Requirements

Submit the following:

Container:

24 Hr Urine Container

Preservative types accepted: No preservative, Thymol

Processing Requirements

Specimen type: 24hr Urine

Volume: Full 24hr urine collection

Specimen Stability

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

Specimen Condition

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

Methodology

Potentiometry

Days and Times Performed

24 hrs, TAT 1 day

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.

Update

Last updated 31/07/2026

LOINC Code Information

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

Alias

24CL