Home
HelpTest Code 24KU Potassium, urine, 24 hr
Additional Codes
| Epic Ordering Code | LAB436 |
| NBS code | LBC00805 |
| Service code | 31144 |
Specimen Requirements
Submit the following:
| Container: |
| 24 Hr Urine Container |
Processing Requirements
Specimen type: 24hr Urine
Volume: Cumulative urine collection over 24 hours
Specimen Stability
| Specimen Type | 24 hr urine |
|---|---|
| Ambient | 45 days |
| Refrigerate | 2 months |
| Frozen | 1 year |
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 |
|---|---|---|
| 6 – 9 yrs | 17 – 54 mmol/day | 8 – 37 mmol/day |
| 10 – 13 yrs | 22 – 57 mmol/day | 18 – 58 mmol/day |
| ≥ 18 yrs | 25 – 125 mmol/day | 25 – 125 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 |
|---|---|
| Potassium, urine | 2828-2 |
| Potassium, urine, 24 hr | 2829-0 |